CN108632897B

CN108632897B - Obtain and issue the method and device of data

Info

Publication number: CN108632897B
Application number: CN201710154556.XA
Authority: CN
Inventors: 徐明宇; 寇会如; 齐丙花; 刘蓉
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2017-03-15
Filing date: 2017-03-15
Publication date: 2019-07-26
Anticipated expiration: 2037-03-15
Also published as: CN108632897A

Abstract

The invention discloses the method and devices for obtaining and issuing data, based on the first data volume from auxiliary serving cell SCell to the main serving cell PCell application size, determine that the rlc layer of the main serving cell PCell needs to be transmitted to the size of second data volume of auxiliary serving cell SCell, wherein, the main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；Determine the default size of each RLC PDU for needing to be transmitted to the auxiliary serving cell SCell of the main serving cell PCell；The default size of size and each RLC PDU based on second data volume, obtains the main serving cell PCell and needs to be transmitted to M RLC PDU of the auxiliary serving cell；And the rlc layer of the side SCell is passed to by X2 mouthfuls of periodicity or event.

Description

Obtain and issue the method and device of data

Technical field

The present invention relates to the communications fields, more particularly to obtain and issue the method and device of data.

Background technique

In LTE (Long Term Evolution, long term evolution) system, serving cell is that data transmission is provided for UE The cell of service, each UE at most only exist a serving cell.Rel-10 introduces CA (Carrier Aggregation, carrier wave Polymerization) after technology, UE can have multiple serving cells simultaneously, i.e. system condenses together two or more available carrier waves, It forms a bigger transmission bandwidth and provides better service experience to reach higher transmission rate for user.Therefore, It is divided into two classes: PCell/PCC (Primary Cell/Primary Component Carrier, master for the cell of UE service Serving cell/main member carrier) and SCell/SCC (Secondary Cell/Secondary Component Carrier, it is auxiliary Serving cell/secondary member carrier)).Wherein, PCell inherits the property of serving cell in LTE system, and SCell is merely as attached The resource added, the function of bearer data transmission.PCell and SCell is for the angle of UE.PCell is that UE is established The serving cell of RRC connection, establishment process are identical with LTE system.SCell is configured by the rrc layer of PCell. PCell carries out SCell configuration to UE according to actual needs, SCell configuration including the addition of SCell, the deletion of SCell and The modification of SCell is completed by RRC reconfiguration course.

In existing station intercarrier polymerization scheduling, as long as UE has the SCell of activation, when dispatching this user, PCell Just can all participate in resource allocation with the SCell of activation, and PCell and SCell belong to a base station, rlc layer can by data without The MAC layer for being transmitted to SCell of time delay.But carrier wave between station is polymerize, PCell and SCell belong to different base station, and data are handed over Mutually by X2 port transmission, the target of Real-Time Scheduling cannot be reached, therefore, can be used and be transmitted to partial data by rlc layer The method of the side SCell.

The prior art is to be directed to station intercarrier polymerization, i.e. PCell and SCell belong to a base station, data and Time delay is not present in information exchange, and rlc layer packages according to MAC layer request for data, without the influence for considering time delay.

As it can be seen that following technical problem exists in the prior art, when carrier wave polymerize between station, PCell and SCell are not belonging to together One base station, data and information are transmitted between the PCell and SCell in different base stations, to the tune of the side SCell MAC layer There are time delay influences for degree, reduce user experience.

Summary of the invention

The embodiment of the present invention obtains and issues the method and device of data by providing, and is standing in the prior art for solving Between carrier wave when polymerizeing, PCell and SCell be not belonging to the PCell of the same base station, data and information in different base stations and It is transmitted between SCell, to the scheduling of the side SCell MAC layer, there are time delay influences, reduce user experience technical problem.

In a first aspect, one embodiment of the invention provides a kind of method for obtaining data, it is applied to main serving cell PCell, comprising:

Based on the first data volume from auxiliary serving cell SCell to the main serving cell PCell application size, determine institute State the size that main serving cell PCell needs to be transmitted to second data volume of auxiliary serving cell SCell, wherein the main clothes The business cell PCell and auxiliary serving cell SCell belongs to different base stations；

Based on the first preset rules, determine that the main serving cell PCell needs to be transmitted to the auxiliary serving cell SCell Each RLC PDU default size；

The corresponding M RLC PDU of second data volume is determined based on the default size of each RLC PDU；Wherein, The M is the integer more than or equal to 1.

Optionally, determine that second data volume is M corresponding in the default size based on each RLC PDU After RLC PDU, the method also includes:

The M RLC PDU is transmitted to the auxiliary serving cell SCell by X2 mouthfuls.

Optionally, it is described based on auxiliary serving cell SCell to the first data volume of the main serving cell PCell application Size determines that the main serving cell PCell needs to be transmitted to the size of second data volume of auxiliary serving cell SCell, packet It includes:

Based on the auxiliary serving cell SCell to the first data volume size of the main serving cell PCell application, determine Wireless spread-spectrum technology rlc layer of j-th of the radio bearer RB of one terminal in the main serving cell PCell needs to be transmitted to auxiliary clothes The size for the second data volume of cell SCell of being engaged in.

Optionally, the first preset rules are based on, it is small to determine that the main serving cell PCell needs to be transmitted to the auxiliary service The default size of each RLC PDU of area SCell, comprising:

The recommended value of default size based on each RLC PDU obtained from the auxiliary serving cell SCell, determine described in Main serving cell PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, wherein described The default size of each RLC PDU is equal, and the default size is the first preset value.

Optionally, the default size based on each RLC PDU determines the corresponding M RLC of second data volume PDU, comprising:

Judge whether the size of second data volume is less than first preset value, obtains the first judging result, be based on First judging result obtains the main serving cell PCell and needs to be transmitted to M RLC PDU of the auxiliary serving cell；

When first judging result, which is, is, the size based on second data volume is to the main serving cell The wireless spread-spectrum technology rlc layer of PCell sends at least one RLC SDU in buffer area and carries out 1 segmentation, obtains the main clothes Business cell PCell needs to be transmitted to 1 RLC PDU of the auxiliary serving cell；

When first judging result is no, size and first preset value based on second data volume are right The wireless spread-spectrum technology rlc layer of the main serving cell PCell sends at least one RLC SDU in buffer area and carries out M times point Section obtains M RLC PDU, wherein the 1st to the M-1 RLC PDU actual size that the 1st to the M-1 times segmentation obtains is equal Equal to the first preset value, the actual size for the m-th RLC PDU that the M times segmentation obtains is less than or equal to the first preset value.

Optionally, described to be based on the first preset rules, determine that the main serving cell PCell needs to be transmitted to the auxiliary clothes The default size of each RLC PDU of business cell SCell, comprising:

The wireless spread-spectrum technology rlc layer of the main serving cell PCell sends the size of N number of RLC SDU in buffer area The sum of corresponded with the default size of 1 RLC PDU, wherein the N is the integer more than or equal to 1.

Optionally, the default size based on each RLC PDU determines that second data volume is M corresponding RLC PDU, comprising:

It is that unit sends buffering to the wireless spread-spectrum technology rlc layer of the main serving cell PCell according to N number of RLC SDU Data in area package, and obtain the M RLC PDU；Wherein, the sum of the size of the 1st to the M-1 RLC PDU is less than The size of second data volume, and the 1st is big more than or equal to second data volume to the sum of the size of m-th RLC PDU It is small.

When the 1st group that the size of second data volume is less than or equal to carry out wraps the big of corresponding N number of RLC SDU When the sum of small, carry out the 1st group packet, Q RLC SDU in the corresponding N number of RLC SDU of the 1st group packet is packaged or 1 RLC SDU is segmented in the corresponding N number of RLC SDU of the 1st group packet of person, obtains 1 RLC PDU, wherein the acquisition 1 RLC PDU size be greater than second data volume size, the M be equal to 1.

When the size of second data volume is greater than the corresponding main serving cell for the 1st group packet that will be carried out When the wireless spread-spectrum technology rlc layer of PCell sends the sum of the size of N number of RLC SDU in buffer area, by the main serving cell The wireless spread-spectrum technology rlc layer of PCell sends in buffer area and successively carries out P group packet per N number of RLC SDU, obtains P RLC PDU；

When the size of second data volume subtracts the difference of the sum of size of the P RLC PDU, being less than or equal to will When the P+1 times group carried out wraps the sum of the size of corresponding N number of RLC SDU, P+1 group packet is carried out, the P+1 times group packet is corresponded to N number of RLC SDU in Q RLC SDU package or the P+1 times group wrap in corresponding N number of RLC SDU 1 RLC SDU into Row segmentation, obtains the P+1 RLC PDU, organizes end-of-packet, wherein the M is equal to the P+1, and the P is to be less than more than or equal to 1 The integer of M.

When the size of second data volume be greater than the 1st group will carrying out wrap corresponding N number of RLC SDU size it And when, by the wireless spread-spectrum technology rlc layer of the main serving cell PCell send in buffer area per N number of RLC SDU successively into P group packet of row, obtains P RLC PDU；

When the size of second data volume subtracts the difference of the sum of size of the P RLC PDU, greater than will carry out The P+1 times group when wrapping the sum of the size of corresponding N number of RLC SDU, carry out P+1 group and wrap, by the corresponding N of the P+1 times group packet A RLC SDU packages, and obtains the P+1 RLC PDU；

Continue i group packet, obtain the P+i RLC PDU, until described in being subtracted when the size of second data volume The difference of the sum of the size of P+i RLC PDU wraps corresponding N number of RLC SDU less than or equal to the P+i+1 times group that will be carried out The sum of size, carry out P+i+1 group and wrap, Q RLC SDU in the corresponding N number of RLC SDU of the P+i+1 times group packet is subjected to group Packet or the P+i+1 times group are wrapped 1 RLC SDU in corresponding N number of RLC SDU and are segmented, and the P+i+1 RLC PDU is obtained, Group end-of-packet, wherein it is the integer for being less than M more than or equal to 1 that the M, which is equal to the P+i+1, the P and i,.

Second aspect, one embodiment of the invention provide a kind of method for issuing data, are applied to auxiliary serving cell SCell, comprising:

Receiving main serving cell PCell and being transmitted to M the RLC PDU, M of the auxiliary serving cell SCell is more than or equal to 1 Integer, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；

The M RLC PDU is stored in the re-transmission buffers of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell Area；

Media intervention based on the auxiliary serving cell SCell controls MAC layer to the wireless of the auxiliary serving cell SCell Link controls the size of the 4th data volume of rlc layer request and the type of the corresponding radio bearer RB of the M RLC PDU, Determine the lower originating party of M RLC PDU in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell Formula, wherein M is the integer more than or equal to 1.

Optionally, in the M RLC for receiving the main serving cell PCell and being transmitted to the auxiliary serving cell SCell Before PDU, the suggestion of the size for each RLC PDU that the auxiliary serving cell SCell is sent to main serving cell PCell is determined Value；

Obtain size from the auxiliary serving cell SCell to the first data volume of the main serving cell PCell application with So that the main serving cell PCell is transmitted to the auxiliary serving cell based on the recommended value and first data volume determination The M RLC PDU of SCell.

Optionally, recommended value of the determination auxiliary serving cell SCell to the size of each RLC PDU, comprising:

Size based on the RLC PDU that each subframe in mono- sending cycle of the auxiliary serving cell SCell issues, really Recommended value of the fixed auxiliary serving cell SCell to the size of each RLC PDU.

Optionally, based on auxiliary serving cell described in each subframe in mono- sending cycle of the auxiliary serving cell SCell The media intervention of SCell controls the RLC PDU of the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell Size, determine the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU, comprising:

Based on auxiliary serving cell SCell's described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention controls being averaged for the RLC PDU of the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell Value, determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；

Alternatively, based on auxiliary serving cell described in each subframe in mono- sending cycle of the auxiliary serving cell SCell The media intervention of SCell controls the RLC PDU of the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell Minimum value, determine the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；

Alternatively, based on auxiliary serving cell described in each subframe in mono- sending cycle of the auxiliary serving cell SCell The media intervention of SCell controls the RLC PDU of the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell Cumulative distribution function CDF percentage, determine the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU.

Optionally, the media intervention control MAC layer described based on the auxiliary serving cell SCell is small to the auxiliary service The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of area SCell and the M RLC PDU are corresponding wireless The type for carrying RB, determines M RLC in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell PDU issue mode before, comprising:

The media of the auxiliary serving cell SCell are notified to intervene the radio chains of auxiliary serving cell SCell described in control MAC layer Road controls the size of the 5th data volume of the retransmission buffer of rlc layer, wherein the 5th data volume is equal to the M RLC The size of the sum of size of PDU or the 5th data volume is the size of j-th of RLC PDU in the M RLC PDU, In, the j is more than or equal to 1 and is less than or equal to the integer of M.

Optionally, the media intervention based on the auxiliary serving cell SCell controls MAC layer to the auxiliary serving cell The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of the SCell and M RLC PDU is corresponding wirelessly holds The mode for carrying RB, determines M RLC in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell PDU's issues mode, comprising:

When the corresponding radio bearer RB of the M RLC PDU is AM mode, based on the auxiliary serving cell SCell's Media intervention controls the big of the 4th data volume that MAC layer is requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell Small, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell delays the re-transmission of the rlc layer of the auxiliary serving cell SCell The Y RLC PDU in M RLC PDU rushed in area, which is not segmented again or is segmented again, is handed down to the auxiliary serving cell The media intervention control MAC layer of SCell, wherein the size of the size and the 4th data volume of the Y RLC PDU is mutually fitted It answers, the Y is the integer more than or equal to 1 and less than or equal to M.

When the corresponding radio bearer RB of the M RLC PDU is UM mode, judge that the size of the 4th data volume is The no size greater than the 1st RLC PDU in the M RLC PDU, obtains the first judging result；

When first judging result, which is, is, from the weight of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell The wireless spread-spectrum technology rlc layer that Z RLC PDU, the auxiliary serving cell SCell are successively taken out in buffer area is passed by the Z RLC PDU is handed down to the media intervention control MAC layer of the auxiliary serving cell SCell, wherein the size of the Z RLC PDU The sum of be more than or equal to the size of the 4th data volume, and the sum of size of the Z-1 RLC PDU is less than the described 4th The size of data volume, the Z are the integer more than or equal to 1 and less than or equal to M；

When first judging result is no, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell is not issued Any RLC PDU in M RLC PDU of the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell To the media intervention control MAC layer of the auxiliary serving cell SCell.

When the corresponding radio bearer RB of the M RLC PDU is TM mode, judge whether the size of the 4th data volume is big In the size for k-th of RLC PDU being equal in the M RLC PDU, the second judging result is obtained；

When second judging result, which is, is, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell will be described K-th of RLC PDU is handed down to the media intervention control MAC layer of the auxiliary serving cell SCell, wherein k is small more than or equal to 1 In the integer for being equal to M；

When second judging result is no, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell is not issued Any RLC PDU in M RLC PDU of the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell To the media intervention control MAC layer of the auxiliary serving cell SCell.

Optionally, the media intervention described based on auxiliary serving cell SCell controls MAC layer to the auxiliary serving cell The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of the SCell and M RLC PDU is corresponding wirelessly holds The mode for carrying RB, determines M RLC in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell PDU issue mode after, comprising:

When re-transmission of the auxiliary serving cell SCell to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell is slow When the total data or partial data rushed in M RLC PDU in area carry out ARQ, if the main serving cell PCell is received For the first feedback of the ARQ, the auxiliary serving cell SCell receive that the main serving cell PCell sends described the One feedback；

And/or when the auxiliary serving cell SCell controls MAC layer to the media intervention of the auxiliary serving cell SCell The total data or partial data that the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell received issues carry out When HARQ, if the main serving cell PCell receives the second feedback for the HARQ, the auxiliary serving cell SCell Receive second feedback that the main serving cell PCell is sent；

And/or when the auxiliary serving cell SCell receive for the main serving cell PCell carry out ARQ or When the third feedback of HARQ, third feedback is sent to the main serving cell PCell by the auxiliary serving cell SCell, Wherein, the ARQ or HARQ that the main serving cell PCell is carried out include the main serving cell for being transmitted to the auxiliary clothes The ARQ or HARQ that the total data or partial data being engaged in the M RLC PDU of cell SCell carry out.

Optionally, first feedback is sent to the auxiliary serving cell by X2 mouthfuls by the main serving cell PCell SCell；

And/or second feedback is sent to the main serving cell by X2 mouthfuls by the auxiliary serving cell SCell PCell。

The third aspect, one embodiment of the invention provide a kind of device for obtaining data, comprising:

First determining module, for the first number based on auxiliary serving cell SCell to the main serving cell PCell application According to the size of amount, determine that the main serving cell PCell needs to be transmitted to the big of second data volume of auxiliary serving cell SCell It is small, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；

Second determining module determines that the main serving cell PCell needs to be transmitted to institute for being based on the first preset rules State the default size of each RLC PDU of auxiliary serving cell SCell；

Third determining module, for determining that second data volume is corresponding based on the default size of each RLC PDU M RLC PDU；Wherein, the M is the integer more than or equal to 1.

Optionally, described device further include:

First forwarding module, for third determining module based on each RLC PDU default size determine described in After the corresponding M RLC PDU of second data volume, the M RLC PDU is transmitted to the auxiliary serving cell by X2 mouthfuls SCell。

Optionally, first determining module includes:

First determines submodule, for based on the auxiliary serving cell SCell to the main serving cell PCell application First data volume size determines wireless spread-spectrum technology of j-th of radio bearer RB in the main serving cell PCell of a terminal Rlc layer needs to be transmitted to the size of the second data volume of auxiliary serving cell SCell.

Optionally, second determining module, comprising:

Second determines submodule, for default big based on each RLC PDU obtained from the auxiliary serving cell SCell Small recommended value determines that the main serving cell PCell needs to be transmitted to each RLC PDU of the auxiliary serving cell SCell Default size, wherein the default size of each RLC PDU is equal, the default size be the first preset value.

Optionally, described second submodule is determined, comprising:

First judging unit is obtained for judging whether the size of second data volume is less than first preset value First judging result is based on first judging result, obtains the main serving cell PCell and need to be transmitted to the auxiliary service M RLC PDU of cell；

First obtains unit, for first judging result be when, the size pair based on second data volume The wireless spread-spectrum technology rlc layer of the main serving cell PCell sends at least one RLC SDU in buffer area and carries out 1 time point Section, obtains the main serving cell PCell and needs to be transmitted to 1 RLC PDU of the auxiliary serving cell；

Second obtaining unit, for when first judging result is no, size based on second data volume and First preset value sends at least one of buffer area to the wireless spread-spectrum technology rlc layer of the main serving cell PCell RLC SDU carries out M segmentation, obtains M RLC PDU, wherein the 1st to the M-1 RLC that the 1st to the M-1 times segmentation obtains The actual size of PDU is equal to the first preset value, and the actual size for the m-th RLC PDU that the M times segmentation obtains is less than or equal to First preset value.

Optionally, second determining module, comprising:

Third determines submodule, for so that the wireless spread-spectrum technology rlc layer of the main serving cell PCell sends buffering The sum of size of N number of RLC SDU in area and the default size of 1 RLC PDU correspond, so that it is determined that the main service is small Area PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, wherein the N be greater than etc. In 1 integer.

Optionally, the third determines submodule, comprising:

Third obtaining unit, for being Radio Link of the unit to the main serving cell PCell according to N number of RLC SDU The data that control rlc layer is sent in buffer area package, and obtain the M RLC PDU；Wherein, the 1st to the M-1 RLC The sum of size of PDU is less than the size of second data volume, and the 1st is more than or equal to institute to the sum of the size of m-th RLC PDU State the size of the second data volume.

Optionally, the third determines submodule, comprising:

4th obtaining unit is less than or equal to the 1st group packet pair that will be carried out for the size when second data volume When the sum of the size of the N number of RLC SDU answered, the 1st group packet is carried out, by Q in the corresponding N number of RLC SDU of the 1st group packet RLC SDU package or the corresponding N number of RLC SDU of the 1st group packet in 1 RLC SDU be segmented, obtain described second The corresponding 1 RLC PDU of data volume, wherein the size of 1 RLC PDU of the acquisition is greater than the big of second data volume Small, the M is equal to 1.

Optionally, the third determines that submodule includes the 5th obtaining unit, is used for:

Optionally, the third determining module includes the 6th obtaining unit, is used for:

Fourth aspect, one embodiment of the invention provide a kind of device for issuing data, comprising:

First receiving module, M RLC for being transmitted to the auxiliary serving cell SCell for receiving main serving cell PCell PDU, M are the integer more than or equal to 1, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to difference Base station；

First memory module, for the M RLC PDU to be stored in the Radio Link control of the auxiliary serving cell SCell The retransmission buffer of rlc layer processed；

First determining module controls MAC layer to the auxiliary clothes for the media intervention based on the auxiliary serving cell SCell The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of business cell SCell and the M RLC PDU are corresponding The type of radio bearer RB determines the M in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell A RLC PDU's issues mode, wherein M is the integer more than or equal to 1.

Optionally, described device further include:

Second determining module, it is described for being transmitted in first receiving module reception main serving cell PCell Before the M RLC PDU of auxiliary serving cell SCell, determine that the auxiliary serving cell SCell is sent to main serving cell PCell Each RLC PDU size recommended value；

First obtains module, for obtaining the auxiliary serving cell SCell the to the main serving cell PCell application One data volume is sized such that the main serving cell PCell determines forwarding based on the recommended value and first data volume To the M RLC PDU of the auxiliary serving cell SCell.

Optionally, second determining module, comprising:

First determines submodule, for based under each subframe in mono- sending cycle of the auxiliary serving cell SCell The size of the RLC PDU of hair determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU.

Optionally, described first submodule is determined, comprising:

First determination unit, for based on described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology rlc layer Shen of the MAC layer to the auxiliary serving cell SCell of auxiliary serving cell SCell The average value of RLC PDU please determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；

Alternatively, the second determination unit, for based on each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology RLC of the MAC layer to the auxiliary serving cell SCell of the auxiliary serving cell SCell The minimum value of the RLC PDU of layer application, determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；

Alternatively, third determination unit, for based on each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology RLC of the MAC layer to the auxiliary serving cell SCell of the auxiliary serving cell SCell The percentage of the cumulative distribution function CDF of the RLC PDU of layer application, determines the auxiliary serving cell SCell to each RLC PDU Size recommended value.

Optionally, including the first notification module, it is used for:

In first determining module based on the media intervention control MAC layer of the auxiliary serving cell SCell to described auxiliary The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of serving cell SCell and the M RLC PDU are corresponding Radio bearer RB type, in the retransmission buffer for determining the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell M RLC PDU issue mode before, notify the media of the auxiliary serving cell SCell to intervene auxiliary service described in control MAC layer The size of 5th data volume of the retransmission buffer of the wireless spread-spectrum technology rlc layer of cell SCell, wherein the 5th data volume The size of the sum of size equal to the M RLC PDU or the 5th data volume is j-th in the M RLC PDU The size of RLC PDU, wherein the j is more than or equal to 1 and is less than or equal to the integer of M.

Optionally, first determining module, including the second determining submodule, are used for:

Optionally, first determining module, comprising:

First judging submodule, for judging institute when the corresponding radio bearer RB of the M RLC PDU is UM mode Whether the size for stating the 4th data volume is greater than the size of the 1st RLC PDU in the M RLC PDU, obtains the first judgement knot Fruit；

First issues submodule, for first judging result be when, from the nothing of the auxiliary serving cell SCell Z RLC PDU, the Radio Link of the auxiliary serving cell SCell are successively taken out in the retransmission buffer of wired link control rlc layer The Z RLC PDU is handed down to the media intervention control MAC layer of the auxiliary serving cell SCell by control rlc layer, wherein institute The size that the sum of size of Z RLC PDU is more than or equal to the 4th data volume is stated, and a RLC PDU's of the Z-1 is big The sum of small size less than the 4th data volume, the Z are the integer more than or equal to 1 and less than or equal to M；

Third determines submodule, for when first judging result is no, the auxiliary serving cell SCell's to be wireless Link control rlc layer does not issue M RLC of the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell Any RLC PDU in PDU controls MAC layer to the media intervention of the auxiliary serving cell SCell.

Optionally, first determining module, comprising:

Second judgment submodule, for when the corresponding radio bearer RB of the M RLC PDU is TM mode, judging the Whether the size of four data volumes is more than or equal to the size of k-th of RLC PDU in the M RLC PDU, obtains the second judgement knot Fruit；

Second issues submodule, for when second judging result, which is, is, the auxiliary serving cell SCell's to be wireless Link controls the media intervention control MAC layer that k-th of RLC PDU is handed down to the auxiliary serving cell SCell by rlc layer, Wherein, k is the integer for being less than or equal to M more than or equal to 1；

4th determines submodule, for when second judging result is no, the auxiliary serving cell SCell's to be wireless Link control rlc layer does not issue M RLC of the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell Any RLC PDU in PDU controls MAC layer to the media intervention of the auxiliary serving cell SCell.

Optionally, including the first receiving module, the second receiving module and/or the first sending module:

MAC layer is controlled to the auxiliary service based on the media intervention of auxiliary serving cell SCell in first determining module The size and the corresponding nothing of the M RLC PDU of 4th data volume of the wireless spread-spectrum technology rlc layer request of cell SCell Line carries the mode of RB, determines M in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell RLC PDU issue mode after,

First receiving module, for when the auxiliary serving cell SCell is to the wireless of the auxiliary serving cell SCell When link controls total data or partial data progress ARQ in M RLC PDU in the retransmission buffer of rlc layer, if institute It states main serving cell PCell and receives and fed back for the first of the ARQ, the auxiliary serving cell SCell receives the main service First feedback that cell PCell is sent；

Second receiving module, for when the auxiliary serving cell SCell is to the media of the auxiliary serving cell SCell The total data that issues of wireless spread-spectrum technology rlc layer for the auxiliary serving cell SCell of intervention control MAC layer received or When partial data carries out HARQ, if the main serving cell PCell receives the second feedback for the HARQ, the auxiliary clothes Business cell SCell receives second feedback that the main serving cell PCell is sent；

First sending module, for receiving as the auxiliary serving cell SCell for the main serving cell When the third feedback for the ARQ or HARQ that PCell is carried out, third feedback is sent to institute by the auxiliary serving cell SCell State main serving cell PCell, wherein the ARQ or HARQ that the main serving cell PCell is carried out include the main serving cell The ARQ that is carried out for the total data or partial data that are transmitted in the M RLC PDU of the auxiliary serving cell SCell or HARQ。

One or more technical solutions, provide the method and device for obtaining and issuing data, base in the embodiment of the present invention In the first data volume from auxiliary serving cell SCell to the main serving cell PCell application size, determine it is described it is main service it is small The rlc layer of area PCell needs to be transmitted to the size of second data volume of auxiliary serving cell SCell, wherein the main service is small Area PCell and the auxiliary serving cell SCell belong to different base stations；According to preset rules, the main serving cell is determined The default size of each RLC PDU for needing to be transmitted to the auxiliary serving cell SCell of PCell；Based on second data The default size of the size of amount and each RLC PDU, obtain the main serving cell PCell need to be transmitted to it is described auxiliary M RLC PDU of serving cell；And the rlc layer of the side SCell is passed to by X2 mouthfuls of periodicity or event.By using above-mentioned Technical solution, when solving that carrier wave polymerize between station in the prior art, PCell and SCell are not belonging to the same base station, data with And information is transmitted between the PCell and SCell in different base stations, to the scheduling of the side SCell MAC layer there are time delay influence, User experience technical problem is reduced, the carrying for having reached CA between executing station can belong to different base station in PCell and SCell, And there are in the case where X2 mouthfuls of time delays, normally serviced, obtains the technical effect of the gain of carrier wave polymerization.

Detailed description of the invention

Fig. 1 is the flow chart of the method for the acquisition data in the embodiment of the present invention one；

Fig. 2 is the flow chart of the method for issuing data in the embodiment of the present invention two；

Fig. 3 is the schematic diagram of the device of the acquisition data in the embodiment of the present invention three；

Fig. 4 is the schematic diagram of the device for issuing data in the embodiment of the present invention four；

Fig. 5 is the flow chart of the data transmission in one or more embodiments of the invention.

Specific embodiment

The embodiment of the present invention obtains and issues the method and devices of data by providing, based on auxiliary serving cell SCell to The size of first data volume of the main serving cell PCell application determines the rlc layer needs of the main serving cell PCell It is transmitted to the size of second data volume of auxiliary serving cell SCell, wherein the main serving cell PCell and the auxiliary clothes Business cell SCell belongs to different base stations；According to preset rules, determine that the main serving cell PCell's needs to be transmitted to institute State the default size of each RLC PDU of auxiliary serving cell SCell；Size based on second data volume and described each The default size of RLC PDU obtains the main serving cell PCell and needs to be transmitted to M RLC PDU of the auxiliary serving cell； And the rlc layer of the side SCell is passed to by X2 mouthfuls of periodicity or event.By using above-mentioned technical proposal, for solving When carrier wave polymerize between station in the prior art, PCell and SCell are not belonging to the same base station, and data and information are different It is transmitted between PCell and SCell in base station, to the scheduling of the side SCell MAC layer, there are time delay influences, reduce user experience skill Art problem.

In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper Technical solution is stated to be described in detail.

The embodiment of the present invention one provides a kind of method for obtaining data, is applied to main serving cell PCell, referring to Fig. 1, The described method includes:

S101, based on the first data volume from auxiliary serving cell SCell to the main serving cell PCell application size, Determine that the main serving cell PCell needs to be transmitted to the size of second data volume of auxiliary serving cell SCell, wherein institute It states main serving cell PCell and the auxiliary serving cell SCell belongs to different base stations；

S102, be based on the first preset rules, determine the main serving cell PCell need to be transmitted to it is described it is auxiliary service it is small The default size of each RLC PDU of area SCell；

S103 determines the corresponding M RLC PDU of second data volume based on the default size of each RLC PDU； Wherein, the M is the integer more than or equal to 1.

After step s 103, the main serving cell PCell forwards the M RLC PDU of rlc layer by X2 mouthfuls To the auxiliary serving cell SCell.

Wherein, the step S101 is specifically included:

Based on the auxiliary serving cell SCell to the first data volume size of the main serving cell PCell application, determine Wireless spread-spectrum technology rlc layer needs of j-th of the radio bearer RB of i-th of terminal in the main serving cell PCell are transmitted to The size of the second data volume of auxiliary serving cell SCell.Wherein, the radio bearer RB can be the RB of AM, UM or TM mode.

The step S102 is specifically included:

Scheme 1: the recommended value of the default size based on each RLC PDU obtained from the auxiliary serving cell SCell, really The fixed main serving cell PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, In, the default size of each RLC PDU is equal, and the default size is the first preset value.Such as by the recommended value Default size as each RLC PDU.

Scheme 2: the wireless spread-spectrum technology rlc layer of the main serving cell PCell sends every N number of RLC in buffer area The default size of every 1 RLC PDU described in the sum of size of SDU corresponds, wherein the N is the integer more than or equal to 1.Institute The size for stating N is determined by the main serving cell PCell.For example, the size of the PCell specified N when group wrapping, for example, institute Stating PCell and specifying N is 2；Or the size of the N is determined that the preset value can be by people by the PCell based on a preset value It is that the specified or described preset value itself is determined by the PCell.

After scheme 1 in step s 102, the step S103 is executed, is specifically included:

Judge the size Data of second data volume_{SendToSCell_i_j}Whether the first preset value Data is less than₁, obtain The first judging result is obtained, first judging result is based on, obtains the main serving cell PCell and need to be transmitted to the auxiliary clothes Be engaged in M RLC PDU of cell；

When first judging result is no, size and first preset value based on second data volume are right The wireless spread-spectrum technology rlc layer of the main serving cell PCell sends at least one RLC SDU in buffer area and carries out M times point Section obtains M RLC PDU, wherein the 1st to the M-1 RLC PDU actual size that the 1st to the M-1 times segmentation obtains is equal Equal to the first preset value, the actual size for the m-th RLC PDU that the M times segmentation obtains is less than or equal to the first preset value.Specifically Segmentation method, such as:

Work as Data_{SendToSCell_i_j}≥Data₁When, it is executed and is divided based on the first preset value RLC SDU to be sent to PCell Section group is bundled into the 1st RLC PDU, by the corresponding RLC SDU of the 1st RLC PDU from the transmission buffer area of the PCell It deletes；

Then by Data_{SendToSCell_i_j}-Data₁, need to be transmitted to the auxiliary service to the main serving cell PCell The data volume Data of cell SCell_{SendToSCell_i_j}It is updated to Data_{SendToSCell_i_j}-Data₁, continue pre- based on first If the value RLC SDU to be sent to PCell executes segmentation group and is bundled into the 2nd RLC PDU, and the 2nd RLC PDU is corresponding RLC SDU is deleted from the transmission buffer area of the PCell；Continue that the main serving cell PCell is needed to be transmitted to described The data volume of auxiliary serving cell SCell is updated, all by the corresponding RLCSDU of RLC PDU of acquisition from described after updating every time It is deleted in the transmission buffer area of PCell；Up to updated data volume is less than the first preset value, after being then based on final updating The data volume RLC SDU to be sent to PCell executes segmentation group packet and obtains m-th RLC PDU.Such as in AM mode, it is assumed that Data₁For a fixed value, Data_{SendToSCell_i_j}=2000byte, Data₁=800byte, the PCell of a base station are from its rlc layer Transmission buffer area in take out RLC SDU, then execute segmentation cascade, be assembled into 2 800byte RLC PDU and 1 The RLC PDU of 400byte passs 3 RLC PDU to the side SCell by X2 oral instructions, and the side SCell rlc layer dispatches feelings according to MAC Condition is segmented RLC PDU again.

After scheme 2 in step s 102, the step S103 is executed, is specifically included:

It is that unit sends buffering to the wireless spread-spectrum technology rlc layer of the main serving cell PCell according to N number of RLC SDU Data in area carry out M group packet, obtain M RLC PDU；For example, N=2, in order to the RLC of PCell when the 1st group packet Preceding 2 RLC SDU that layer is sent in buffer area package, and obtain 1 RLC PDU, i.e., form 1 according to every 2 RLC SDU The form of RLC PDU packages, until the 1st is big less than second data volume to the sum of the size of the M-1 RLC PDU It is small, and the 1st size for being more than or equal to second data volume to the sum of the size of m-th RLC PDU.

Alternatively, the size when second data volume is less than or equal to the corresponding main clothes of the 1st group packet that will be carried out When the sum of the size for the N number of RLC SDU being engaged in the wireless spread-spectrum technology rlc layer transmission buffer area of cell PCell, carry out the 1st time Group packet, Q RLC SDU in the corresponding N number of RLC SDU of the 1st group packet is packaged or the 1st corresponding N of group packet 1 RLC SDU is segmented in a RLC SDU, obtains 1 RLC PDU, wherein the size of 1 RLC PDU of the acquisition Greater than the size of second data volume, the M is equal to 1.

Alternatively, when the size of second data volume is greater than the corresponding main service for the 1st group packet that will be carried out By the main service when the sum of the size of N number of RLC SDU in the wireless spread-spectrum technology rlc layer transmission buffer area of cell PCell The wireless spread-spectrum technology rlc layer of cell PCell sends in buffer area and successively carries out P group packet per N number of RLC SDU, obtains P RLC PDU；I.e. group packet still packages according to the form that every N number of RLC SDU forms 1 RLC PDU every time, for example, N=2, the Preceding 2 RLC SDU in buffer area are sent to the rlc layer of PCell in order when 1 group packet to package, and obtain 1 RLC PDU, i.e., carry out 1 group packet according to the form that every 2 RLC SDU form 1 RLC PDU, and group packet P times obtains P RLC PDU；

When the size of second data volume subtracts the difference of the sum of size of the P RLC PDU, greater than will carry out The P+1 times group when wrapping the sum of the size of corresponding N number of RLC SDU, group packet still forms 1 according to every N number of RLC SDU every time The form of RLC PDU packages, and carries out P+1 group packet, the P+1 times group is wrapped corresponding N number of RLC SDU and is packaged, is obtained Obtain the P+1 RLC PDU；Group packet still packages according to the form that every N number of RLC SDU forms 1 RLC PDU every time, continues I group packet is carried out, the P+i RLC PDU is obtained, until the size when second data volume subtracts the P+i RLC PDU The sum of size difference, less than or equal to the sum of the size that the P+i+1 times group that will be carried out wraps corresponding N number of RLC SDU, into Row P+i+1 group packet packages Q RLC SDU in the corresponding N number of RLC SDU of the P+i+1 time group packet or the P+1 times Group is wrapped 1 RLC SDU in corresponding N number of RLC SDU and is segmented, and the P+i+1 RLC PDU is obtained, and organizes end-of-packet, wherein It is the integer for being less than M more than or equal to 1 that the M, which is equal to the P+i+1, the P and i,.

Second embodiment of the present invention provides the method for obtaining data is issued, it is applied to auxiliary serving cell SCell, referring to fig. 2, The described method includes:

S201, receives the M RLC PDU that main serving cell PCell is transmitted to the auxiliary serving cell SCell, M for greater than Integer equal to 1, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；

The M RLC PDU is stored in the re-transmission of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell by S202 Buffer area；

S203, the media intervention based on the auxiliary serving cell SCell control MAC layer to the auxiliary serving cell SCell The request of wireless spread-spectrum technology rlc layer the 4th data volume size and the M RLC PDU corresponding radio bearer RB Type determines under M RLC PDU in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell Originating party formula, wherein M is the integer more than or equal to 1.

Before the step S201, comprising:

Determine the suggestion of the size for each RLC PDU that the auxiliary serving cell SCell is sent to main serving cell PCell Value；

Obtain the first data volume from the auxiliary serving cell SCell to the main serving cell PCell application size, with So that the main serving cell PCell is transmitted to the auxiliary serving cell based on the recommended value and first data volume determination The M RLC PDU of SCell.

Wherein, recommended value of the determination auxiliary serving cell SCell to the size of each RLC PDU, comprising:

Size based on the RLC PDU that each subframe in mono- sending cycle of the auxiliary serving cell SCell issues, really Recommended value of the fixed auxiliary serving cell SCell to the size of each RLC PDU.For example, in a sending cycle, SCell root The case where according to actual transmissions data, i.e., the media intervention control MAC layer of auxiliary serving cell SCell described in each subframe SCell to The size of the RLC PDU of the wireless spread-spectrum technology rlc layer application of the auxiliary serving cell SCell, such as all RLC PDU's is averaged Value, minimum value or CDF percentage, which determine, suggests RLC PDU value, which is periodically sent to PCell, PCell Rlc layer according to the recommended value carry out RLC PDU assembling.

Specific obtain has the mode of the recommended value of the size of each RLC PDU:

Mode 1: based on auxiliary serving cell described in each subframe in mono- sending cycle of the auxiliary serving cell SCell The media intervention of SCell controls the RLC PDU of the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell Average value, determine the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；When average value is not integer When, carry out floor operation upward or downward.

Mode 2: based on auxiliary serving cell described in each subframe in mono- sending cycle of the auxiliary serving cell SCell The media intervention of SCell controls the RLC PDU of the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell Minimum value, determine the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；Which is not deposited theoretically The probability of data cannot be issued being less than RLC PDU due to MAC layer request for data amount.

Mode 3: based on auxiliary serving cell described in each subframe in mono- sending cycle of the auxiliary serving cell SCell The media intervention of SCell controls the RLC PDU of the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell Cumulative distribution function CDF percentage, determine the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU. For example, all in sending cycle issue RLC PDU and sort from small to large according to data package size, taking CDF is that the place X% is corresponding RLC PDU value, wherein X is greater than 1 less than 100.

Before the step 203, the media of the auxiliary serving cell SCell is notified to intervene auxiliary clothes described in control MAC layer The size of 5th data volume of the retransmission buffer of the wireless spread-spectrum technology rlc layer of business cell SCell, then carries out MAC scheduling, Wherein the size of the sum of the size of the 5th data volume equal to the M RLC PDU or the 5th data volume is described The size of j-th of RLC PDU in M RLC PDU, wherein the j is more than or equal to 1 and is less than or equal to the integer of M.

Wherein, the step S203 includes:

When the corresponding radio bearer RB of the M RLC PDU is AM mode, based on the auxiliary serving cell SCell's Media intervention controls the big of the 4th data volume that MAC layer is requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell Small, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell delays the re-transmission of the rlc layer of the auxiliary serving cell SCell The Y RLC PDU in M RLC PDU rushed in area, which is not segmented again or is segmented again, is handed down to the auxiliary serving cell The media intervention control MAC layer of SCell, wherein the size of the size and the 4th data volume of the Y RLC PDU is mutually fitted It answers, the Y is the integer more than or equal to 1 and less than or equal to M.For example, SCEll establishes one for this RB for the RB of AM mode A AM RLC entity executes RLC partial function, is such as segmented again, adds header overhead, caching function.Will by X2 mouthfuls receive come It is put into the retransmission buffer RLC from the data packet of PCell, the MAC layer of SCell is according to the RLC of the SCell SCell notified The 5th data volume of the buffer area of layer carries out resource allocation, RLC of the data volume that rlc layer is requested according to MAC layer to SCell RLC PDU is issued or is handed down to MAC layer be segmented again after some or all of in M RLC PDU of layer.

The buffer area of the side SCell rlc layer is the retransmission buffer in RLC entity, but the data stored substantially just pass number According to.When the ARQ of the data is executed by PCell, the RLC of SCell sends the data to after MAC layer that then to empty corresponding data slow It deposits；When the ARQ process of the data is when the side SCell executes, the RLC of SCell sends the data to after MAC layer that then unclear Kongxiang is answered Data buffer storage.

When the corresponding radio bearer RB of the M RLC PDU is UM mode, the MAC layer of SCell is notified according to SCell The 5th data volume of buffer area of rlc layer of the SCell carry out resource allocation, determine to the 4th of rlc layer application Data volume judges the size for the 1st RLC the PDU whether size of the 4th data volume is greater than in the M RLC PDU, Obtain the first judging result；

When second judging result, which is, is, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell will be described K-th of RLC PDU is handed down to the media intervention control MAC layer of the auxiliary serving cell SCell；

After the step S203, comprising:

And/or when the auxiliary serving cell SCell controls MAC layer to the media intervention of the auxiliary serving cell SCell The total data or part progress in PDU that the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell received issues When HARQ, if the main serving cell PCell receives the second feedback for the HARQ, the auxiliary serving cell SCell Receive second feedback that the main serving cell PCell is sent；Specifically, the nothing of the auxiliary serving cell SCell The total data or partial data that wired link control rlc layer issues can be auxiliary serving cell described in the step S203 The wireless spread-spectrum technology rlc layer of SCell is handed down to the PDU of the MAC layer of the SCell；

And/or when the auxiliary serving cell SCell receive for the main serving cell PCell carry out ARQ or When the third feedback of HARQ, third feedback is sent to the main serving cell PCell by the auxiliary serving cell SCell, Wherein, the ARQ or HARQ that the main serving cell PCell is carried out include the main serving cell for being transmitted to the auxiliary clothes The ARQ or HARQ that the total data or partial data being engaged in the M RLC PDU of cell SCell carry out.Wherein, the PCell The ARQ or HARQ of progress targeted data can also be other data for not being transmitted to the SCell.

Wherein, first feedback is sent to the auxiliary serving cell by X2 mouthfuls by the main serving cell PCell SCell；

The embodiment of the present invention three provides a kind of device 10 for obtaining data, is applied to main serving cell PCell, referring to figure 3, described device includes:

First determining module 101, for based on auxiliary serving cell SCell to the main serving cell PCell application The size of one data volume determines that the main serving cell PCell needs to be transmitted to second data volume of auxiliary serving cell SCell Size, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；

Second determining module 102 determines that the main serving cell PCell needs to forward for being based on the first preset rules To the default size of each RLC PDU of the auxiliary serving cell SCell；

Third determining module 103, for determining second data volume pair based on the default size of each RLC PDU The M RLC PDU answered；Wherein, the M is the integer more than or equal to 1.

Described device further include:

Wherein, first determining module 101 includes:

First determines submodule, for based on the auxiliary serving cell SCell to the main serving cell PCell application First data volume size determines wireless spread-spectrum technology of j-th of radio bearer RB in the main serving cell PCell of a terminal Rlc layer needs to be transmitted to the size of the second data volume of auxiliary serving cell SCell.Wherein, the radio bearer RB can be AM, UM Or the RB of TM mode.

Second determining module 102, comprising:

Second determines submodule, for default big based on each RLC PDU obtained from the auxiliary serving cell SCell Small recommended value determines that the main serving cell PCell needs to be transmitted to each RLC PDU of the auxiliary serving cell SCell Default size, wherein the default size of each RLC PDU is equal, the default size be the first preset value.Such as Using the recommended value as the default size of each RLC PDU.

Alternatively, third determines submodule, for so that the wireless spread-spectrum technology rlc layer of the main serving cell PCell is sent out The sum of size of N number of RLC SDU in buffer area and the default size of 1 RLC PDU is sent to correspond, so that it is determined that the master Serving cell PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, wherein the N is Integer more than or equal to 1.The size of the N is determined by the main serving cell PCell.For example, the PCell group wrap when refer to The size of N is determined, for example, it is 2 that the PCell, which specifies N,；Or the size of the N is determined by the PCell based on a preset value, The preset value can be by artificially specifying or the preset value itself is determined by the PCell.

When second determining module 102, including when the second determining submodule:

Described second determines submodule, comprising:

First judging unit, for judging the second data volume Data_{SendToSCell_i_j}Size whether be less than described One preset value Data₁, the first judging result is obtained, first judging result is based on, obtaining the main serving cell PCell needs It is transmitted to M RLC PDU of the auxiliary serving cell；

Second obtaining unit, for when first judging result is no, size based on second data volume and First preset value sends at least one of buffer area to the wireless spread-spectrum technology rlc layer of the main serving cell PCell RLC SDU carries out M segmentation, obtains M RLC PDU, wherein the 1st to the M-1 RLC that the 1st to the M-1 times segmentation obtains The actual size of PDU is equal to the first preset value, and the actual size for the m-th RLC PDU that the M times segmentation obtains is less than or equal to First preset value.Specific segmentation method, such as:

When second determining module 102, including when third determines submodule:

The third determines submodule, including third obtaining unit, for being unit to the master according to N number of RLC SDU The data that the wireless spread-spectrum technology rlc layer of serving cell PCell is sent in buffer area package, and obtain the M RLC PDU；For example, N=2, when the 1st group packet, sends preceding 2 RLC SDU in buffer area to the rlc layer of PCell in order and carries out group Packet, obtains 1 RLC PDU, i.e., packages according to the form that every 2 RLC SDU form 1 RLC PDU, until the 1st to the The sum of size of M-1 RLC PDU be less than second data volume size, and the 1st to the M-1 RLC PDU size it With the size for being less than second data volume, and the 1st is more than or equal to second data to the sum of the size of m-th RLC PDU The size of amount.

Alternatively, the third determines that submodule includes the 4th obtaining unit, for working as the big slight of second data volume When wrapping the sum of the size of corresponding N number of RLC SDU equal to the 1st group that will be carried out, the 1st group packet is carried out, by the 1st group Wrap Q RLC SDU in corresponding N number of RLC SDU package or the corresponding N number of RLC SDU of the 1st group packet in 1 RLC SDU is segmented, and obtains the corresponding 1 RLC PDU of second data volume, wherein 1 RLC PDU of the acquisition Size be greater than second data volume size, the M be equal to 1.

Or the third determines that submodule includes the 5th obtaining unit, is used for:

When the size of second data volume is greater than the corresponding main serving cell for the 1st group packet that will be carried out When the wireless spread-spectrum technology rlc layer of PCell sends the sum of the size of N number of RLC SDU in buffer area, by the main serving cell The wireless spread-spectrum technology rlc layer of PCell sends in buffer area and successively carries out P group packet per N number of RLC SDU, obtains P RLC PDU；I.e. group packet still packages according to the form that every N number of RLC SDU forms 1 RLC PDU every time, for example, N=2, the 1st time Preceding 2 RLC SDU in buffer area are sent to the rlc layer of PCell in order when group packet to package, and obtain 1 RLC PDU, 1 group packet is carried out according to the form that every 2 RLC SDU form 1 RLC PDU, group packet P times obtains P RLC PDU；

Alternatively, the third determines that submodule includes the 6th obtaining unit, it is used for:

The above method can be applied to AM, UM and TM mode.

Second embodiment of the present invention provides the device 20 for obtaining data is issued, referring to fig. 4, described device includes:

First receiving module 201, M for being transmitted to the auxiliary serving cell SCell for receiving main serving cell PCell RLC PDU, M are the integer more than or equal to 1, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to Different base stations；

First memory module 202, for the M RLC PDU to be stored in the Radio Link of the auxiliary serving cell SCell Control the retransmission buffer of rlc layer；

First determining module 203, for the media intervention control MAC layer based on the auxiliary serving cell SCell to described The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of auxiliary serving cell SCell and the M RLC PDU couple The type of the radio bearer RB answered, in the retransmission buffer for determining the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell M RLC PDU issue mode, wherein M is the integer more than or equal to 1.

Described device further include:

Wherein, second determining module, comprising:

First determines submodule, for based under each subframe in mono- sending cycle of the auxiliary serving cell SCell The size of the RLC PDU of hair determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU.For example, one In a sending cycle, the case where SCell is according to actual transmissions data, i.e., auxiliary serving cell SCell's described in each subframe SCell Media intervene the RLC PDU of the rlc layer application for the wireless spread-spectrum technology rlc layer for controlling MAC layer to the auxiliary serving cell SCell Size, such as average value of all RLC PDU, minimum value or CDF percentage, which determine, suggests RLC PDU value, by the recommended value It is periodically sent to PCell, the rlc layer of PCell carries out the assembling of RLC PDU according to the recommended value.

Specifically, described first determines submodule, comprising:

First determination unit, for based on described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology rlc layer Shen of the MAC layer to the auxiliary serving cell SCell of auxiliary serving cell SCell The average value of RLC PDU please determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；When average When value is not integer, floor operation upward or downward is carried out.

Alternatively, the second determination unit, for based on each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology RLC of the MAC layer to the auxiliary serving cell SCell of the auxiliary serving cell SCell The minimum value of the RLC PDU of layer application, determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；It should Mode cannot issue the probability of data there is theoretically no RLC PDU is less than due to MAC layer request for data amount.

Alternatively, third determination unit, for based on each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology RLC of the MAC layer to the auxiliary serving cell SCell of the auxiliary serving cell SCell The percentage of the cumulative distribution function CDF of the RLC PDU of layer application, determines the auxiliary serving cell SCell to each RLC PDU Size recommended value.For example, all in sending cycle issue RLC PDU and sort from small to large according to data package size, CDF is taken For the corresponding RLC PDU value in the place X%, wherein X is greater than 1 less than 100.

Described device further includes the first notification module, is used for:

Wherein, first determining module 101 includes the second determining submodule, is used for:

Alternatively, first determining module 101, comprising:

Described device further includes the first receiving module, the second receiving module and/or the first sending module:

Second receiving module, for when the auxiliary serving cell SCell is to the media of the auxiliary serving cell SCell It is complete in the PDU that the wireless spread-spectrum technology rlc layer for the auxiliary serving cell SCell of intervention control MAC layer received issues When portion's data or partial data carry out HARQ, if the main serving cell PCell receives the second feedback for the HARQ, The auxiliary serving cell SCell receives second feedback that the main serving cell PCell is sent；Specifically, described The total data or partial data that the wireless spread-spectrum technology rlc layer of auxiliary serving cell SCell issues can be the step S203 Described in auxiliary serving cell SCell wireless spread-spectrum technology rlc layer be handed down to the SCell MAC layer PDU；

First sending module, for receiving as the auxiliary serving cell SCell for the main serving cell When the third feedback for the ARQ or HARQ that PCell is carried out, third feedback is sent to institute by the auxiliary serving cell SCell State main serving cell PCell, wherein the ARQ or HARQ that the main serving cell PCell is carried out include the main serving cell The ARQ that is carried out for the total data or partial data that are transmitted in the M RLC PDU of the auxiliary serving cell SCell or HARQ.Wherein, the ARQ or HARQ that the PCell is carried out targeted data, which can also be, is not transmitted to the SCell's Other data.

Referring to Fig. 5, one or more technical solutions in the embodiments of the present invention provide acquisition and issue data Method and device is distributed in the data volume of RLC buffer area according to the determination of certain principle for the RB that carrier wave polymerize between execution station The size of the data volume of the rlc layer of SCell and determining each RLC PDU size, and pass through X2 mouthfuls of periodicity or event biography The rlc layer of SCell, PCell and SCell are passed according to self MAC layer dispatch situation, to respective rlc layer request for data, In, PCell and SCell belong to different base stations, and the rlc layer of PCell forms RLC PDU to PCell according to MAC layer application situation MAC layer, SCellRLC layers according to MAC layer application situation form RLC PDU to SCell MAC layer.HARQ or ARQ process can It executes, can also be executed in the side SCell in the side PCell, the side PCell and the side SCell are believed by the state that HARQ or ARQ is changed in X2 oral sex Breath, it is a wireless transmission protocol stack in UMTS that wherein PDCP, which is an abbreviation of Packet Data Convergence Protocol,.

One or more technical solutions in the embodiments of the present invention are based on auxiliary serving cell SCell to the main clothes The size of first data volume of business cell PCell application, determines that the rlc layer of the main serving cell PCell needs to be transmitted to institute State the size of the second data volume of auxiliary serving cell SCell, wherein the main serving cell PCell and the auxiliary serving cell SCell belongs to different base stations；According to preset rules, determine that the main serving cell PCell's needs to be transmitted to the auxiliary clothes The default size of each RLC PDU of business cell SCell；Size and each RLC based on second data volume The default size of PDU obtains the main serving cell PCell and needs to be transmitted to M RLC PDU of the auxiliary serving cell；And lead to It crosses X2 mouthfuls of periodicity or event passes to the rlc layer of the side SCell.By using above-mentioned technical proposal, solves the prior art In between station carrier wave polymerize when, PCell and SCell are not belonging to the same base station, data and information in different base stations It is transmitted between PCell and SCell, to the scheduling of the side SCell MAC layer, there are time delay influences, reduce user experience technical problem, reach In PCell and SCell it can belong to different base station to the carrying for executing CA between station and there are in the case where X2 mouthfuls of time delays, It is normally serviced, obtains the technical effect of the gain of carrier wave polymerization.

Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.

Claims

1. a kind of method for obtaining data, is applied to main serving cell PCell characterized by comprising

Based on the first data volume from auxiliary serving cell SCell to the main serving cell PCell application size, determine the master Serving cell PCell needs to be transmitted to the size of second data volume of auxiliary serving cell SCell, wherein the main service is small Area PCell and the auxiliary serving cell SCell belong to different base stations；

Based on the first preset rules, determine that the main serving cell PCell needs to be transmitted to the every of the auxiliary serving cell SCell The default size of a RLC PDU；

The corresponding M RLC PDU of second data volume is determined based on the default size of each RLC PDU；Wherein, described M is the integer more than or equal to 1.

2. the method as described in claim 1, which is characterized in that true in the default size based on each RLC PDU After determining the corresponding M RLC PDU of second data volume, the method also includes:

3. the method as described in claim 1, which is characterized in that described small to the main service based on auxiliary serving cell SCell The size of first data volume of area's PCell application determines that the main serving cell PCell needs to be transmitted to the auxiliary serving cell The size of the second data volume of SCell, comprising:

Based on the auxiliary serving cell SCell to the first data volume size of the main serving cell PCell application, determine that one is whole End j-th of radio bearer RB the wireless spread-spectrum technology rlc layer of the main serving cell PCell need to be transmitted to it is auxiliary service it is small The size of the second data volume of area SCell.

4. the method as described in claim 1, which is characterized in that be based on the first preset rules, determine the main serving cell PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, comprising:

The recommended value of default size based on each RLC PDU obtained from the auxiliary serving cell SCell, determines the main clothes Business cell PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, wherein described each The default size of RLC PDU is equal, and the default size is the first preset value.

5. method as claimed in claim 4, which is characterized in that described in the default size determination based on each RLC PDU The corresponding M RLC PDU of second data volume, comprising:

Judge whether the size of second data volume is less than first preset value, the first judging result is obtained, based on described First judging result obtains the main serving cell PCell and needs to be transmitted to M RLC PDU of the auxiliary serving cell；

When first judging result, which is, is, the size based on second data volume is to the main serving cell PCell's Wireless spread-spectrum technology rlc layer sends at least one RLC SDU in buffer area and carries out 1 segmentation, obtains the main serving cell PCell needs to be transmitted to 1 RLC PDU of the auxiliary serving cell；

When first judging result is no, size and first preset value based on second data volume, to described The wireless spread-spectrum technology rlc layer of main serving cell PCell sends at least one RLC SDU in buffer area and carries out M segmentation, obtains M RLC PDU, wherein the 1st to the M-1 time the 1st to the M-1 RLC PDU actual size for being segmented acquisition is equal to the The actual size of one preset value, the m-th RLC PDU that the M times segmentation obtains is less than or equal to the first preset value.

6. the method as described in claim 1, which is characterized in that it is described to be based on the first preset rules, determine that the main service is small Area PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, comprising:

The wireless spread-spectrum technology rlc layer of the main serving cell PCell sends the sum of the size of N number of RLC SDU in buffer area It is corresponded with the default size of 1 RLC PDU, wherein the N is the integer more than or equal to 1.

7. method as claimed in claim 6, which is characterized in that the default size based on each RLC PDU determines The corresponding M RLC PDU of second data volume, comprising:

It is that unit sends in buffer area the wireless spread-spectrum technology rlc layer of the main serving cell PCell according to N number of RLC SDU Data package, obtain the M RLC PDU；Wherein, the 1st be less than to the sum of the size of the M-1 RLC PDU it is described The size of second data volume, and the 1st size for being more than or equal to second data volume to the sum of the size of m-th RLC PDU.

8. method as claimed in claim 6, which is characterized in that the default size based on each RLC PDU determines The corresponding M RLC PDU of second data volume, comprising:

When the size of second data volume be less than or equal to the 1st group will carrying out wrap corresponding N number of RLC SDU size it And when, the 1st group packet is carried out, Q RLC SDU in the corresponding N number of RLC SDU of the 1st group packet is packaged or the 1st 1 RLC SDU is segmented in the corresponding N number of RLC SDU of secondary group of packet, obtains 1 RLC PDU, wherein 1 of the acquisition The size of RLC PDU is greater than the size of second data volume, and the M is equal to 1.

9. method as claimed in claim 6, which is characterized in that described in the default size determination based on each RLC PDU The corresponding M RLC PDU of second data volume, comprising:

When the size of second data volume is greater than the corresponding main serving cell PCell for the 1st group packet that will be carried out Wireless spread-spectrum technology rlc layer send buffer area in N number of RLC SDU the sum of size when, by the main serving cell PCell Wireless spread-spectrum technology rlc layer send the P group of successively carrying out per N number of RLC SDU in buffer area and wrap, P RLC PDU of acquisition；

When the size of second data volume subtracts the difference of the sum of size of the P RLC PDU, less than or equal to will carry out The P+1 times group when wrapping the sum of the size of corresponding N number of RLC SDU, carry out P+1 group and wrap, by the corresponding N of the P+1 times group packet Q RLC SDU packages in a RLC SDU or the P+1 times group is wrapped 1 RLC SDU in corresponding N number of RLC SDU and carried out Segmentation obtains the P+1 RLC PDU, organizes end-of-packet, wherein the M is equal to the P+1, and the P is to be less than M more than or equal to 1 Integer.

10. method as claimed in claim 6, which is characterized in that the default size based on each RLC PDU determines The corresponding M RLC PDU of second data volume, comprising:

When the size of second data volume is greater than the sum of the size that the 1st group that will be carried out wraps corresponding N number of RLC SDU When, the wireless spread-spectrum technology rlc layer of the main serving cell PCell is sent in buffer area and is successively carried out per N number of RLC SDU P group packet, obtains P RLC PDU；

When the size of second data volume subtracts the difference of the sum of size of the P RLC PDU, greater than will carry out When the sum of the size of the corresponding N number of RLC SDU of P+1 group packet, P+1 group packet is carried out, the P+1 times group is wrapped into corresponding N number of RLC SDU packages, and obtains the P+1 RLC PDU；

Continue i group packet, obtain the P+i RLC PDU, until the size when second data volume subtracts the P+i The difference of the sum of the size of a RLC PDU wraps the big of corresponding N number of RLC SDU less than or equal to the P+i+1 times group that will be carried out It is the sum of small, carry out P+i+1 group and wrap, Q RLC SDU in the corresponding N number of RLC SDU of the P+i+1 times group packet is packaged or The P+i+1 times group of person is wrapped 1 RLC SDU in corresponding N number of RLC SDU and is segmented, and the P+i+1 RLC PDU, group packet are obtained Terminate, wherein it is the integer for being less than M more than or equal to 1 that the M, which is equal to the P+i+1, the P and i,.

11. a kind of method for issuing data is applied to auxiliary serving cell SCell characterized by comprising

It is whole more than or equal to 1 for receiving main serving cell PCell and being transmitted to M the RLC PDU, M of the auxiliary serving cell SCell Number, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；

The M RLC PDU is stored in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell；

Media intervention control Radio Link of the MAC layer to the auxiliary serving cell SCell based on the auxiliary serving cell SCell The size of the 4th data volume of rlc layer request and the type of the corresponding radio bearer RB of the M RLC PDU are controlled, is determined M RLC PDU's in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell issues mode, In, M is the integer more than or equal to 1.

12. method as claimed in claim 11 characterized by comprising

Before the reception main serving cell PCell is transmitted to the M RLC PDU of the auxiliary serving cell SCell, really The recommended value of the size for each RLC PDU that the fixed auxiliary serving cell SCell is sent to main serving cell PCell；

The auxiliary serving cell SCell is obtained to be sized such that the first data volume of the main serving cell PCell application The main serving cell PCell is transmitted to the auxiliary serving cell based on the recommended value and first data volume determination The M RLC PDU of SCell.

13. method as claimed in claim 12, which is characterized in that the determination auxiliary serving cell SCell is to each RLC The recommended value of the size of PDU, comprising:

Size based on the RLC PDU that each subframe in mono- sending cycle of the auxiliary serving cell SCell issues, determines institute Auxiliary serving cell SCell is stated to the recommended value of the size of each RLC PDU.

14. method as claimed in claim 13, which is characterized in that be based on mono- sending cycle of the auxiliary serving cell SCell The media intervention of auxiliary serving cell SCell described in interior each subframe controls MAC layer to the wireless of the auxiliary serving cell SCell Link controls the size of the RLC PDU of rlc layer application, determines the auxiliary serving cell SCell to the size of each RLC PDU Recommended value, comprising:

Media based on auxiliary serving cell SCell described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Intervention controls the average value of the RLC PDU of the wireless spread-spectrum technology rlc layer application of from MAC layer to the auxiliary serving cell SCell, really Recommended value of the fixed auxiliary serving cell SCell to the size of each RLC PDU；

Alternatively, based on auxiliary serving cell SCell's described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention controls the minimum of the RLC PDU of the wireless spread-spectrum technology rlc layer application of from MAC layer to the auxiliary serving cell SCell Value, determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；

Alternatively, based on auxiliary serving cell SCell's described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention controls the accumulation of the RLC PDU of the wireless spread-spectrum technology rlc layer application of from MAC layer to the auxiliary serving cell SCell The percentage of distribution function CDF determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU.

15. method as claimed in claim 11, which is characterized in that in the media based on the auxiliary serving cell SCell The size of the 4th data volume that intervention control MAC layer is requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell with And the type of the corresponding radio bearer RB of the M RLC PDU, determine the wireless spread-spectrum technology of the auxiliary serving cell SCell M RLC PDU in the retransmission buffer of rlc layer issue mode before, comprising:

The media of the auxiliary serving cell SCell are notified to intervene the Radio Link control of auxiliary serving cell SCell described in control MAC layer The size of 5th data volume of the retransmission buffer of rlc layer processed, wherein the 5th data volume is equal to the M RLC PDU's The size of the sum of size or the 5th data volume is the size of j-th of RLC PDU in the M RLC PDU, wherein institute J is stated more than or equal to 1 and is less than or equal to the integer of M.

16. such as the described in any item methods of claim 11-14, which is characterized in that described to be based on the auxiliary serving cell SCell Media intervention control MAC layer the 4th data volume requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell The mode of size and the corresponding radio bearer RB of the M RLC PDU, determines the radio chains of the auxiliary serving cell SCell M RLC PDU in the retransmission buffer of road control rlc layer issues mode, comprising:

When the corresponding radio bearer RB of the M RLC PDU is AM mode, the media based on the auxiliary serving cell SCell The size for the 4th data volume that intervention control MAC layer is requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell, The wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell is by the re-transmission buffers of the rlc layer of the auxiliary serving cell SCell Y RLC PDU in M RLC PDU in area, which is not segmented again or is segmented again, is handed down to the auxiliary serving cell SCell Media intervention control MAC layer, wherein the size of the size of the Y RLC PDU and the 4th data volume is adaptable, institute Stating Y is the integer more than or equal to 1 and less than or equal to M.

17. such as the described in any item methods of claim 11-14, which is characterized in that described to be based on the auxiliary serving cell SCell Media intervention control MAC layer the 4th data volume requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell The mode of size and the corresponding radio bearer RB of the M RLC PDU, determines the radio chains of the auxiliary serving cell SCell M RLC PDU in the retransmission buffer of road control rlc layer issues mode, comprising:

When the corresponding radio bearer RB of the M RLC PDU is UM mode, judge whether the size of the 4th data volume is big The size of the 1st RLC PDU in the M RLC PDU obtains the first judging result；

When first judging result, which is, is, the re-transmission from the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell is slow It rushes in area and successively takes out the wireless spread-spectrum technology rlc layer of Z RLC PDU, the auxiliary serving cell SCell for the Z RLC PDU is handed down to the media intervention control MAC layer of the auxiliary serving cell SCell, wherein the sum of the size of the Z RLC PDU More than or equal to the size of the 4th data volume, and the sum of size of the Z-1 RLC PDU is less than the 4th data The size of amount, the Z are the integer more than or equal to 1 and less than or equal to M；

When first judging result is no, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell does not issue described Any RLC PDU in M RLC PDU of the retransmission buffer of the wireless spread-spectrum technology rlc layer of auxiliary serving cell SCell is to institute State the media intervention control MAC layer of auxiliary serving cell SCell.

18. such as the described in any item methods of claim 11-14, which is characterized in that described to be based on the auxiliary serving cell SCell Media intervention control MAC layer the 4th data volume requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell The mode of size and the corresponding radio bearer RB of the M RLC PDU, determines the radio chains of the auxiliary serving cell SCell M RLC PDU in the retransmission buffer of road control rlc layer issues mode, comprising:

When the corresponding radio bearer RB of the M RLC PDU is TM mode, judge whether the size of the 4th data volume is greater than The size of k-th of RLC PDU in the M RLC PDU obtains the second judging result；

When second judging result, which is, is, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell is by the kth A RLC PDU be handed down to the auxiliary serving cell SCell media intervention control MAC layer, wherein k be more than or equal to 1 be less than etc. In the integer of M；

When second judging result is no, the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell does not issue described Any RLC PDU in M RLC PDU of the retransmission buffer of the wireless spread-spectrum technology rlc layer of auxiliary serving cell SCell is to institute State the media intervention control MAC layer of auxiliary serving cell SCell.

19. such as the described in any item methods of claim 11-14, which is characterized in that described based on auxiliary serving cell SCell's Media intervention controls the big of the 4th data volume that MAC layer is requested to the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell The mode of the corresponding radio bearer RB of small and described M RLC PDU, determines the Radio Link of the auxiliary serving cell SCell Control M RLC PDU in the retransmission buffer of rlc layer issue mode after, comprising:

When the auxiliary serving cell SCell is to the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell In M RLC PDU in total data or partial data carry out ARQ when, if the main serving cell PCell receive for The first feedback of the ARQ, it is anti-that the auxiliary serving cell SCell receives the main serving cell PCell is sent described first Feedback；

And/or the reception as the auxiliary serving cell SCell to the media intervention control MAC layer of the auxiliary serving cell SCell To the auxiliary serving cell SCell the PDU that issues of wireless spread-spectrum technology rlc layer in total data or partial data carry out When HARQ, if the main serving cell PCell receives the second feedback for the HARQ, the auxiliary serving cell SCell Receive second feedback that the main serving cell PCell is sent；

And/or when the auxiliary serving cell SCell receives the ARQ or HARQ carried out for the main serving cell PCell Third feedback when, the auxiliary serving cell SCell by the third feedback is sent to the main serving cell PCell, wherein The ARQ or HARQ that the main serving cell PCell is carried out include that the main serving cell is small for being transmitted to the auxiliary service The ARQ or HARQ that total data or partial data in the M RLC PDU of area SCell carry out.

20. method as claimed in claim 19, it is characterised in that:

First feedback is sent to the auxiliary serving cell SCell by X2 mouthfuls by the main serving cell PCell；

And/or second feedback is sent to the main serving cell PCell by X2 mouthfuls by the auxiliary serving cell SCell.

21. a kind of device for obtaining data characterized by comprising

First determining module, for based on the first data volume from auxiliary serving cell SCell to main serving cell PCell application it is big It is small, determine that the main serving cell PCell needs to be transmitted to the size of second data volume of auxiliary serving cell SCell, wherein The main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；

It is described auxiliary to determine that the main serving cell PCell needs to be transmitted to for being based on the first preset rules for second determining module The default size of each RLC PDU of serving cell SCell；

Third determining module, for determining that second data volume is M corresponding based on the default size of each RLC PDU RLC PDU；Wherein, the M is the integer more than or equal to 1.

22. device as claimed in claim 21, which is characterized in that described device further include:

First forwarding module, for determining described second based on the default size of each RLC PDU in third determining module After the corresponding M RLC PDU of data volume, the M RLC PDU is transmitted to the auxiliary serving cell SCell by X2 mouthfuls.

23. device as claimed in claim 21, which is characterized in that first determining module includes:

First determine submodule, for based on the auxiliary serving cell SCell to the main serving cell PCell application first Data volume size determines wireless spread-spectrum technology RLC of j-th of radio bearer RB in the main serving cell PCell of a terminal Layer needs to be transmitted to the size of the second data volume of auxiliary serving cell SCell.

24. device as claimed in claim 21, which is characterized in that second determining module, comprising:

Second determines submodule, for the default size based on each RLC PDU obtained from the auxiliary serving cell SCell Recommended value determines that the main serving cell PCell needs to be transmitted to the pre- of each RLC PDU of the auxiliary serving cell SCell If size, wherein the default size of each RLC PDU is equal, and the default size is the first preset value.

25. device as claimed in claim 24, which is characterized in that described second determines submodule, comprising:

First judging unit obtains first for judging whether the size of second data volume is less than first preset value Judging result is based on first judging result, obtains the main serving cell PCell and need to be transmitted to the auxiliary serving cell M RLC PDU；

First obtains unit, for when first judging result, which is, is, the size based on second data volume to be to described The wireless spread-spectrum technology rlc layer of main serving cell PCell sends at least one RLC SDU in buffer area and carries out 1 segmentation, obtains It obtains the main serving cell PCell and needs to be transmitted to 1 RLC PDU of the auxiliary serving cell；

Second obtaining unit, for when first judging result is no, size based on second data volume and described First preset value sends at least one RLC in buffer area to the wireless spread-spectrum technology rlc layer of the main serving cell PCell SDU carries out M segmentation, obtains M RLC PDU, wherein the 1st to the M-1 RLC PDU that the 1st to the M-1 times segmentation obtains Actual size be equal to the first preset value, the actual size for the m-th RLC PDU that the M times segmentation obtains is less than or equal to the One preset value.

26. device as claimed in claim 21, which is characterized in that second determining module, comprising:

Third determines submodule, for so that the wireless spread-spectrum technology rlc layer of the main serving cell PCell is sent in buffer area The sum of the size of N number of RLC SDU and the default size of 1 RLC PDU correspond, so that it is determined that the main serving cell PCell needs to be transmitted to the default size of each RLC PDU of the auxiliary serving cell SCell, wherein the N be more than or equal to 1 integer.

27. device as claimed in claim 26, which is characterized in that the third determines submodule, comprising:

Third obtaining unit, for being wireless spread-spectrum technology of the unit to the main serving cell PCell according to N number of RLC SDU The data that rlc layer is sent in buffer area package, and obtain the M RLC PDU；Wherein, the 1st to the M-1 RLC PDU The sum of size is less than the size of second data volume, and the 1st is more than or equal to described the to the sum of the size of m-th RLC PDU The size of two data volumes.

28. device as claimed in claim 26, which is characterized in that the third determining module, comprising:

4th obtaining unit is less than or equal to the 1st corresponding N of group packet that will be carried out for the size when second data volume When the sum of the size of a RLC SDU, the 1st group packet is carried out, by Q RLC in the corresponding N number of RLC SDU of the 1st group packet SDU package or the corresponding N number of RLC SDU of the 1st group packet in 1 RLC SDU be segmented, obtain second data Measure corresponding 1 RLC PDU, wherein the size of 1 RLC PDU of the acquisition is greater than the size of second data volume, institute M is stated equal to 1.

29. device as claimed in claim 26, which is characterized in that the third determines that submodule includes the 5th obtaining unit, For:

30. device as claimed in claim 26, which is characterized in that the third determining module includes the 6th obtaining unit, is used In:

31. a kind of device for issuing data characterized by comprising

First receiving module, M the RLC PDU, M that auxiliary serving cell SCell is transmitted to for receiving main serving cell PCell are Integer more than or equal to 1, wherein the main serving cell PCell and the auxiliary serving cell SCell belong to different base stations；

First memory module, for the M RLC PDU to be stored in the wireless spread-spectrum technology RLC of the auxiliary serving cell SCell The retransmission buffer of layer；

First determining module is small to the auxiliary service for the media intervention control MAC layer based on the auxiliary serving cell SCell The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of area SCell and the M RLC PDU are corresponding wireless The type for carrying RB, determines M RLC in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell PDU's issues mode, wherein M is the integer more than or equal to 1.

32. device as claimed in claim 31, which is characterized in that described device further include:

Second determining module is transmitted to the auxiliary clothes for receiving the main serving cell PCell in first receiving module It is engaged in front of the M RLC PDU of cell SCell, it is every to determine that the auxiliary serving cell SCell is sent to main serving cell PCell The recommended value of the size of a RLC PDU；

First obtains module, for obtaining first number of the auxiliary serving cell SCell to the main serving cell PCell application It is sized such that the main serving cell PCell is transmitted to institute based on the recommended value and first data volume determination according to amount State the M RLC PDU of auxiliary serving cell SCell.

33. device as claimed in claim 32, which is characterized in that second determining module, comprising:

First determines submodule, for what is issued based on each subframe in mono- sending cycle of the auxiliary serving cell SCell The size of RLC PDU determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU.

34. device as claimed in claim 33, which is characterized in that described first determines submodule, comprising:

First determination unit, for based on auxiliary clothes described in each subframe in mono- sending cycle of the auxiliary serving cell SCell The media intervention of business cell SCell controls the wireless spread-spectrum technology rlc layer application of MAC layer to the auxiliary serving cell SCell The average value of RLC PDU determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；

Alternatively, the second determination unit, for based on described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology rlc layer Shen of the MAC layer to the auxiliary serving cell SCell of auxiliary serving cell SCell The minimum value of RLC PDU please determines the auxiliary serving cell SCell to the recommended value of the size of each RLC PDU；

Alternatively, third determination unit, for based on described in each subframe in mono- sending cycle of the auxiliary serving cell SCell Media intervention control wireless spread-spectrum technology rlc layer Shen of the MAC layer to the auxiliary serving cell SCell of auxiliary serving cell SCell The percentage of the cumulative distribution function CDF of RLC PDU please determines the auxiliary serving cell SCell to the big of each RLC PDU Small recommended value.

35. device as claimed in claim 31, which is characterized in that including the first notification module, be used for:

MAC layer is controlled to the auxiliary service based on the media intervention of the auxiliary serving cell SCell in first determining module The size and the corresponding nothing of the M RLC PDU of 4th data volume of the wireless spread-spectrum technology rlc layer request of cell SCell Line carries the type of RB, determines M in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell RLC PDU issue mode before, notify the auxiliary serving cell SCell media intervene control MAC layer described in it is auxiliary service it is small The size of 5th data volume of the retransmission buffer of the wireless spread-spectrum technology rlc layer of area SCell, wherein described 5th data volume etc. In the size of the sum of size of the M RLC PDU or the 5th data volume be the M RLC PDU in j-th of RLC The size of PDU, wherein the j is more than or equal to 1 and is less than or equal to the integer of M.

36. such as the described in any item devices of claim 31-34, which is characterized in that first determining module, including second really Stator modules are used for:

37. such as the described in any item devices of claim 31-34, which is characterized in that first determining module, comprising:

First judging submodule, for when the corresponding radio bearer RB of the M RLC PDU is UM mode, judging described the Whether the size of four data volumes is greater than the size of the 1st RLC PDU in the M RLC PDU, obtains the first judging result；

First issues submodule, for first judging result be when, from the radio chains of the auxiliary serving cell SCell Z RLC PDU, the wireless spread-spectrum technology of the auxiliary serving cell SCell are successively taken out in the retransmission buffer of road control rlc layer The Z RLC PDU is handed down to the media intervention control MAC layer of the auxiliary serving cell SCell by rlc layer, wherein the Z The sum of size of a RLC PDU is more than or equal to the size of the 4th data volume, and the size of the Z-1 RLC PDU The sum of be less than the 4th data volume size, the Z be more than or equal to 1 and be less than or equal to M integer；

Third determines submodule, is used for when first judging result is no, the Radio Link of the auxiliary serving cell SCell Control rlc layer does not issue M RLC PDU of the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell In any RLC PDU to the auxiliary serving cell SCell media intervention control MAC layer.

38. such as the described in any item devices of claim 31-34, which is characterized in that first determining module, comprising:

Second judgment submodule, for judging the 4th number when the corresponding radio bearer RB of the M RLC PDU is TM mode Whether it is more than or equal to the size of k-th of RLC PDU in the M RLC PDU according to the size of amount, obtains the second judging result；

Second issues submodule, for second judging result be when, the Radio Link of the auxiliary serving cell SCell K-th of RLC PDU is handed down to the media intervention control MAC layer of the auxiliary serving cell SCell by control rlc layer, wherein K is the integer for being less than or equal to M more than or equal to 1；

4th determines submodule, is used for when second judging result is no, the Radio Link of the auxiliary serving cell SCell Control rlc layer does not issue M RLC PDU of the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell In any RLC PDU to the auxiliary serving cell SCell media intervention control MAC layer.

39. such as the described in any item devices of claim 31-34, which is characterized in that receive mould including the first receiving module, second Block and/or the first sending module:

MAC layer is controlled to the auxiliary serving cell based on the media intervention of auxiliary serving cell SCell in first determining module The size of 4th data volume of the wireless spread-spectrum technology rlc layer request of the SCell and M RLC PDU is corresponding wirelessly holds The mode for carrying RB, determines M RLC in the retransmission buffer of the wireless spread-spectrum technology rlc layer of the auxiliary serving cell SCell PDU issue mode after,

First receiving module, for when the auxiliary serving cell SCell is to the Radio Link of the auxiliary serving cell SCell When controlling the total data or partial data progress ARQ in M RLC PDU in the retransmission buffer of rlc layer, if the master Serving cell PCell receives the first feedback for the ARQ, and the auxiliary serving cell SCell receives the main serving cell First feedback that PCell is sent；

Second receiving module, for being intervened when media of the auxiliary serving cell SCell to the auxiliary serving cell SCell Whole numbers in PDU that the wireless spread-spectrum technology rlc layer for the auxiliary serving cell SCell of control MAC layer received issues According to or partial data carry out HARQ when, if the main serving cell PCell receive for the HARQ second feedback, it is described Auxiliary serving cell SCell receives second feedback that the main serving cell PCell is sent；

First sending module, for when the auxiliary serving cell SCell receive for the main serving cell PCell into When the third feedback of capable ARQ or HARQ, third feedback is sent to the main service by the auxiliary serving cell SCell Cell PCell, wherein the ARQ or HARQ that the main serving cell PCell is carried out include the main serving cell for forwarding To the ARQ or HARQ of total data or partial data progress in the M RLC PDU of the auxiliary serving cell SCell.

40. device as claimed in claim 39, it is characterised in that: