CN104168655A - Data transmission method and device - Google Patents

Abstract

The invention relates to a data transmission method and device. The method includes the steps that MeNB determines the maximum transmission capacity of a transmission index of UE according to the transmission index of the UE; the first proportion allocated to the MeNB and allowed to be used by the MeNB and the second proportion allocated to SeNB and allowed to be used by the SeNB are determined when the maximum transmission capacity of the transmission index of the UE is allocated according to proportions; the MeNB determines the third proportion needed when the MeNB needs to guarantee data transmission according to the second proportion, and sends a signaling to the SeNB to indicate the fourth proportion needed when the SeNB needs to guarantee data transmission; when data transmission needs to be guaranteed, the MeNB/SeNB conducts data scheduling transmission in the third proportion/fourth proportion range of the maximum transmission capacity of the transmission index of the UE. By means of the data transmission method and device, the success rate of sending important signalings and data can be guaranteed, and UE performance and network side performance are improved.

Description

A kind of data transmission method and device

Technical field

The present invention relates to wireless communication technology field, relate in particular to a kind of data transmission method and device.

Background technology

Along with the deployment of numerous local nodes such as increasing Home eNodeB, Microcell, relaying, traditional macro base station of take is that the network architecture of leading will progressively develop into the network architecture that more polymorphic type base station coexists, and the network coverage of more multi-layered time is provided.In order to improve the correlated performance under this polymorphic type base station co-existin networks framework, a kind of network architecture that realizes cooperation/polymerization between many eNB by imperfect link is suggested.

In a kind of possible multitiered network overlay environment as shown in Figure 1, MeNB (Master eNB, main evolution base station) with SeNB (Secondary eNB, inferior evolution base station) between, adopt nonideal data/signaling interface Xn interface (wired or wireless interface), UE may be simultaneously operated under MeNB and SeNB.When being connected to the UE of MeNB and entering the coverage of the corresponding community of SeNB, MeNB can be according to considerations such as signal strength signal intensity or load balancing, shifts the service that part or all of data/signaling of UE provides with acquisition SeNB to SeNB.Thereby realize the resource that UE can be used MeNB and SeNB simultaneously, and polymerization between base station (inter-eNB polymerization).

Under this scene, a plurality of RB (Radio Bearer of UE, radio bearer) cell set (Secondary Cell Group, SCG) that the main plot group that can control by MeNB respectively (Master Cell Group, MCG) and SeNB control is carried respectively.The RB that is wherein separated to SeNB can comprise DRB (Data Radio Bearer, Data Radio Bearer) and/or SRB (Signaling Radio Bearer, Signaling Radio Bearer).Because SeNB is subject to the control of MeNB, so SeNB can be thought to controlled eNB, and MeNB is master control eNB.

As shown in 2A, the separated a kind of framework of carrying is that UE has independently carrying at MeNB and SeNB, and UE has independently PDCP (Packet Data Convergence Protocol) entity on each eNB.

As shown in Figure 2 B, carrying separated another kind of framework is that the connection of UE on MeNB can have independently carrying.UE is that a part of data distribution of the same EPS carrying on MeNB is transmitted to SeNB in the connection of SeNB, and this EPS carries PDCP entity still at MeNB, and on SeNB, is to have independently RLC (Radio Link Control) entity.

In above-mentioned network configuration, as shown in Figure 3, the information that needs UE ability when network side eats dishes without rice or wine to connect and when schedule data transmission etc., network side can be to UE initiating capacity acquisition process for configuring.

The transmittability of UE embodies by a plurality of transmission objectives, and for each transmission objective, the transmittability in various degree of this transmission objective of UE embodies by corresponding transmission objective parameter, and transmission objective parameter threshold has been indicated the maximum transmitted ability of the transmission objective of UE.

At present agreement regulation is for the specific transmission objective of UE, in order to improve UE throughput, the ability ratio that MeNB and SeNB distribute and can surpass 100%, can surpass the maximum transmitted ability of this transmission objective of UE.Therefore, the transmission of UE data may surpass the maximum processing capability of UE, thereby causes UE packet loss.Because the loss of this packet is random generation, therefore can likely cause important control signal or the loss of data, thereby affect the performance of UE, and may cause Radio Link Failure.

Summary of the invention

The invention provides a kind of data transmission method and device, can guarantee the transmission success rate of important control signal or data.

The invention provides a kind of main evolution base station MeNB data transmission method, comprising:

For a transmission objective of UE, determine the maximum transmitted ability of this transmission objective of UE;

Determine when the maximum transmitted ability of this transmission objective of UE is pro rata distributed, distribute to and self allow the first ratio of using and distribute to the second ratio that SeNB allows use;

Certainly the 3rd ratio of using in the time need to guaranteeing transfer of data according to the second ratio-dependent, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, so that SeNB is when needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission, wherein, the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%;

When needs guarantee transfer of data, in maximum transmitted ability the 3rd proportion of this transmission objective of UE, carry out data dispatch transmission.

Preferably, the method also comprises:

When not needing to guarantee transfer of data, in maximum transmitted ability first proportion of this transmission objective of UE, carry out data dispatch transmission.

Preferably, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, specifically comprise:

To SeNB, send to carry and distribute to the first ratio of MeNB self permission use and/or the signaling of the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data.

Preferably, to SeNB, send in message and also comprise that distributing to SeNB allows the second ratio of using.

Preferably, the method also comprises:

Receive SeNB and receive the confirmation of returning after signaling, or reception SeNB receives confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG of returning after signaling.

Preferably, the method also comprises:

Receive the ability ratio change request that SeNB sends, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

While determining the ability ratio change request of accepting SeNB, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the first ratio, according to the second ratio renewal value or the 3rd ratio renewal value, upgrade the 3rd ratio;

To SeNB, return to the feedback message of ability to accept ratio change request, so that SeNB upgrades the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio, and when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission after completed percentage change;

After completed percentage change, when needs guarantee transfer of data, within the scope of maximum transmitted ability the 3rd ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

Preferably, the method also comprises:

While determining the ability ratio change request of not accepting SeNB, to SeNB, return to the feedback message of refusal ability to accept ratio change request.

Preferably, determine the ability ratio change request of accepting SeNB, specifically comprise:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration successful, determine the ability ratio change request of accepting SeNB; Or

Determine self allow to accept the ability ratio change request of SeNB and do not need to change UE eat dishes without rice or wine to configure time, determine the ability ratio change request of accepting SeNB.

Preferably, determine the ability ratio change request of not accepting SeNB, specifically comprise:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration failure, determine the ability ratio change request of not accepting SeNB; Or

Determine while self not allowing to accept the ability ratio change request of SeNB, determine the ability ratio change request of not accepting SeNB.

The present invention also provides the data transmission method of a kind of SeNB, comprising:

For a transmission objective of UE, determine the maximum transmitted ability of this transmission objective of UE;

The signaling sending according to MeNB, determine the 4th ratio that the SeNB of MeNB indication is used in the time need to guaranteeing transfer of data, described the 4th ratio and MeNB distribute to that MeNB allows the first ratio of using during to the maximum transmitted ability pro-rata of this transmission objective of UE be not more than 100%;

When needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission.

Preferably, the method also comprises:

Determine when MeNB pro rata distributes to the maximum transmitted ability of this transmission objective of UE, distribute to SeNB and allow the second ratio of using;

When not needing to guarantee transfer of data, in maximum transmitted ability second proportion of this transmission objective of UE, carry out data dispatch transmission.

Preferably, the signaling that described MeNB sends is carried the first ratio of MeNB permission use and/or the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data distributed to.

Preferably, the signaling that described MeNB sends also comprises that distributing to SeNB allows the second ratio of using.

Preferably, the method also comprises:

Receive after the signaling of MeNB transmission, to MeNB, return to confirmation, or return to confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG to MeNB.

Preferably, the method also comprises:

The ability ratio change request sending to MeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Receive the feedback message that MeNB returns to ability to accept ratio change request, according to the second ratio renewal value or the 3rd ratio renewal value, upgrade the second ratio, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio;

After completed percentage change, when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

The present invention also provides a kind of main evolution base station MeNB, comprising:

Maximum capacity determining unit, for a transmission objective for UE, determines the maximum transmitted ability of this transmission objective of UE;

Allow ratio-dependent unit, when the maximum transmitted ability of this transmission objective of UE is pro rata distributed for determining, distribute to and self allow the first ratio of using and distribute to the second ratio that SeNB allows use;

Guarantee ratio-dependent unit, for the 3rd ratio of certainly using in the time need to guaranteeing transfer of data according to the second ratio-dependent, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, so that SeNB is when needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission, wherein, the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%;

Data transmission unit for when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 3rd proportion of this transmission objective of UE.

Preferably, data transmission unit also for:

When not needing to guarantee transfer of data, in maximum transmitted ability first proportion of this transmission objective of UE, carry out data dispatch transmission.

Preferably, guarantee that ratio-dependent unit sends to SeNB the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, specifically comprises:

To SeNB, send to carry and distribute to the first ratio of MeNB self permission use and/or the signaling of the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data.

Preferably, guarantee that ratio-dependent unit sends in message and also comprises that distributing to SeNB allows the second ratio of using to SeNB.

Preferably, this MeNB also comprises:

Confirmation receiving element, receives for receiving SeNB the confirmation of returning after signaling, or reception SeNB receives confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG of returning after signaling.

Preferably, this MeNB also comprises:

Change request reception unit, the ability ratio change request sending for receiving SeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Ratio updating block, accepts the ability ratio of SeNB and changes while asking for determining, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the first ratio, according to the second ratio renewal value or the 3rd ratio renewal value, upgrades the 3rd ratio;

Feedback unit, for return to the feedback message of ability to accept ratio change request to SeNB, so that SeNB upgrades the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio, and when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission after completed percentage change;

Described data transmission unit also for after completed percentage change when needs guarantee transfer of data, within the scope of maximum transmitted ability the 3rd ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

Preferably, described feedback unit also for:

While determining the ability ratio change request of not accepting SeNB, to SeNB, return to the feedback message of refusal ability to accept ratio change request.

Preferably, ratio updating block is determined the ability ratio change request of accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration successful, determine the ability ratio change request of accepting SeNB; Or

Determine self allow to accept the ability ratio change request of SeNB and do not need to change UE eat dishes without rice or wine to configure time, determine the ability ratio change request of accepting SeNB.

Preferably, described feedback unit is determined the ability ratio change request of not accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration failure, determine the ability ratio change request of not accepting SeNB; Or

Determine while self not allowing to accept the ability ratio change request of SeNB, determine the ability ratio change request of not accepting SeNB.

The present invention also provides evolution base station SeNB a kind of time, comprising:

Maximum capacity determining unit, for a transmission objective for UE, determines the maximum transmitted ability of this transmission objective of UE;

Guarantee ratio-dependent unit, for the signaling sending according to MeNB, determine the 4th ratio that the SeNB of MeNB indication is used in the time need to guaranteeing transfer of data, described the 4th ratio and MeNB distribute to that MeNB allows the first ratio of using during to the maximum transmitted ability pro-rata of this transmission objective of UE be not more than 100%;

Data transmission unit for when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 4th proportion of this transmission objective of UE.

Preferably, this SeNB also comprises:

Allow ratio-dependent unit, when the maximum transmitted ability of this transmission objective of UE is pro rata distributed for definite MeNB, distribute to SeNB and allow the second ratio of using;

Data transmission unit is also for when needing to guarantee transfer of data, in maximum transmitted ability second proportion of this transmission objective of UE, carries out data dispatch transmission.

Preferably, the signaling that guarantees the described MeNB transmission that ratio-dependent unit receives is carried the first ratio of MeNB permission use and/or the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data distributed to.

Preferably, the signaling that the described MeNB that assurance ratio-dependent unit receives sends also comprises that distributing to SeNB allows the second ratio of using.

Preferably, this SeNB also comprises:

Confirmation unit, for receiving after the signaling of MeNB transmission, returns to confirmation to MeNB, or returns to confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG to MeNB.

Preferably, this SeNB also comprises:

Change request unit, for the ability ratio change request sending to MeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Feedback receiving element, returns to for receiving MeNB the feedback message that the change of ability to accept ratio is asked;

Ratio updating block, for upgrading the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, upgrades the 4th ratio according to the first ratio renewal value or the 4th ratio renewal value;

Described data transmission unit also for after completed percentage change when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

Utilize data transmission method provided by the invention and device, there is following beneficial effect: under macrocell covers, dispose a large amount of small-cells simultaneously, UE can adopt the separated mode of carrying, on a plurality of eNB, carry out transfer of data, the present invention by consulting between eNB, for the transmission objective that can surpass UE limit of power, by MeNB, determined the ability ratio that can use in the time that transfer of data need to be guaranteed, thereby send important signaling and and data in guarantee the success rate that sends to play the object that improves UE and network side performance.

Accompanying drawing explanation

Fig. 1 is the separated network scenarios schematic diagram of carrying;

Fig. 2 A is the separated a kind of configuration diagram of carrying;

Fig. 2 B is the separated another kind of configuration diagram of carrying;

Fig. 3 is the ability process signaling procedure schematic diagram of network side;

Fig. 4 is embodiment of the present invention MeNB data transmission method flow chart;

Fig. 5 is embodiment of the present invention SeNB data transmission method flow chart;

Fig. 6 is the Signalling exchange schematic diagram that embodiment of the present invention data transmission method is corresponding;

Fig. 7 is ability pro rate schematic diagram in the embodiment of the present invention;

Fig. 8 is the request change ability ratio method flow chart of the embodiment of the present invention based on SeNB;

Fig. 9 is embodiment of the present invention SeNB request change ability ratio method flow chart;

Figure 10 is Signalling exchange flow chart corresponding to embodiment of the present invention change ability ratio;

Figure 11 is embodiment of the present invention MeNB schematic diagram;

Figure 12 is embodiment of the present invention SeNB schematic diagram.

Embodiment

Below in conjunction with drawings and Examples, data transmission method provided by the invention and device are illustrated in greater detail.

Under the framework of cooperation/polymerization between eNB, a part of radio bearer RB of UE is upper at the MCG (main plot group) of MeNB management, and this part RB comprises chain of command carrying SRB and user plane bearer DRB.And the other part carrying (comprising SRB and DRB) of same UE is on the SCG of SeNB management.When UE carries out data transmit-receive on MCG and SCG, because the data dispatch of MeNB and SeNB is independent separately, there will be the data transmit-receive of the UE of network scheduling to surpass the situation of UE disposal ability, thereby produce UE and when data transmit-receive, produce the situation of loss of data, for the transmission of important data or signaling, the loss of these data can cause the serious consequences such as Radio Link Failure.

Therefore the embodiment of the present invention provides a kind of data transmission method and device for the UE working under this carrying separation, determines the transmission success rate of important data or signaling.

The invention provides a kind of main evolution base station MeNB data transmission method, as shown in Figure 4, comprising:

Step 401, MeNB, for a transmission objective of UE, determines the maximum transmitted ability of this transmission objective of UE;

MeNB can obtain at least one transmission objective threshold parameter from UE by the process shown in Fig. 3, according to transmission objective threshold parameter, determines the maximum transmitted ability of this transmission objective of UE.

Step 402, when MeNB determines the maximum transmitted ability pro-rata of this transmission objective of UE, distributes to and self allows the first ratio of using and distribute to SeNB to allow the second ratio of using;

Agreement regulation is for the specific transmission objective of UE at present, in order to improve UE throughput, the ability ratio that MeNB and SeNB distribute and can surpass 100%, the first ratio and the second ratio and can surpass 100%, MeNB is used maximum transmitted ability first ratio of this transmission objective of UE to carry out data dispatch transmission, and SeNB uses UE when maximum transmitted ability second ratio of this transmission objective is carried out data dispatch transmission, the transmission of UE data can surpass the maximum processing capability of UE.

MeNB determines that the first ratio and the second ratio can adopt negotiations process to realize, and finally by MeNB, determines the first ratio and the second ratio, and need to be by the second ratio notice SeNB;

Step 403, the 3rd ratio that MeNB is used certainly according to the second ratio-dependent in the time need to guaranteeing transfer of data, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, so that SeNB is when needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission, wherein, the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%;

Step 404, MeNB, when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 3rd proportion of this transmission objective of UE.

When UE carries out data transmit-receive on MCG and SCG, because the data dispatch of MeNB and SeNB is independent separately, MeNB and SeNB can not know that whether the other side is in the important signaling of scheduling or data, therefore only determine the first ratio and the second ratio, may surpass the maximum processing capability of UE.The method that the embodiment of the present invention provides, MeNB further determines from the 3rd ratio of using in the time need to guaranteeing transfer of data, and the 4th ratio of indicating SeNB to use in the time need to guaranteeing transfer of data.Due to the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%.Therefore, for MeNB and/or SeNB, there is the situation of significant data transmission, when MeNB and SeNB carry out data dispatch for UE, can not surpass the maximum processing capability of UE, thereby guarantee the success rate of significant data transmission.

Preferably, when not needing to guarantee transfer of data, MeNB carries out data dispatch transmission in maximum transmitted ability first proportion of this transmission objective of UE, and SeNB carries out data dispatch transmission in maximum transmitted ability second proportion of this transmission objective of UE.

Embodiment of the present invention preferred pin can surpass the transmission objective of UE transmittability to agreement regulation, determines the 3rd ratio/four ratio that MeNB/SeNB is used in the time of need to guaranteeing transfer of data.

As being following arbitrary transmission objective that can surpass UE transmittability of agreement regulation:

1) the transmission block bit of UE receivable descending transmission channel in 1 TTI (Transmission Timing Interval, Transmission Time Interval)

For this transmission objective, by transmission objective threshold parameter-maximum of the transmission block bit of receivable descending transmission channel in 1 TTI (Maximum number of DL-SCH transport block bits received within a TTI), determine the maximum transmitted ability of this transmission objective of UE.

2) the transmission block bit of the uplink transport channel that UE can transmit in 1 TTI

For this transmission objective, by transmission objective threshold parameter-maximum of the transmission block bit of receivable uplink transport channel in 1 TTI (Maximum number of UL-SCH transport block bits transmitted within a TTI), determine the maximum transmitted ability of this transmission objective of UE.

3) the soft bit of the descending transmission channel of UE

For this transmission objective, the summation (Total number of DL-SCH soft channel bits) of the soft bit of the descending transmission channel by transmission objective threshold parameter-UE, determines the maximum transmitted ability of this transmission objective of UE.

Certainly can also be the transmission objective that can surpass UE transmittability of other agreement regulation.

Embodiment of the present invention MeNB sends to carry to SeNB and distributes to the first ratio of MeNB self permission use and/or the signaling of the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data.SeNB can directly obtain the 4th ratio or according to the first ratio-dependent the 4th ratio.

For SeNB, the embodiment of the present invention provides the data transmission method of a kind of SeNB, as shown in Figure 5, comprising:

Step 501, SeNB, for a transmission objective of UE, determines the maximum transmitted ability of this transmission objective of UE;

SeNB can obtain at least one transmission objective threshold parameter from UE by the process shown in Fig. 3, according to transmission objective threshold parameter, determines that UE is in the maximum transmitted ability of this transmission objective.

Step 502, the signaling that SeNB sends according to MeNB, determine the 4th ratio that the SeNB of MeNB indication is used in the time need to guaranteeing transfer of data, described the 4th ratio and MeNB distribute to that MeNB allows the first ratio of using during to the maximum transmitted ability pro-rata of this transmission objective of UE be not more than 100%;

Step 503, SeNB, when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 4th proportion of this transmission objective of UE.

SeNB is used the 4th ratio when needs guarantee transfer of data.Due to the first ratio and the 4th ratio and be not more than 100%.Therefore, when SeNB side has significant data transmission, the scheduling of MeNB and SeNB can not surpass the maximum processing capability of UE, thereby guarantees the transmission success rate of SeNB to significant data.

Preferably, also comprise:

SeNB determines when MeNB pro rata distributes to the maximum transmitted ability of this transmission objective of UE, distributes to SeNB and allows the second ratio of using; When not needing to guarantee transfer of data, in maximum transmitted ability second proportion of this transmission objective of UE, carry out data dispatch transmission.

Preferably, the signaling that MeNB sends is carried the first ratio of MeNB permission use and/or the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data distributed to.SeNB can directly obtain the 4th ratio or according to the first ratio-dependent the 4th ratio.

Preferably, the signaling that MeNB sends also comprises that distributing to SeNB allows the second ratio of using.Certainly, the second ratio also can be notified SeNB by alternate manner.

Below in conjunction with MeNB and SeNB, provide embodiment of the present invention data transmission procedure, mainly comprise:

Step 1), transmission objective (as DL-SCH transport block bits received within a TTI) for some UE, MeNB obtains transmission objective threshold parameter (Maximum number of DL-SCH transport block bits received within a TTI) from UE, determines the maximum transmitted ability of this transmission objective of UE.

Step 2) MeNB determines when the maximum transmitted ability of this transmission objective of UE is pro rata distributed, and distributes to and self allows the first ratio 70% of using and distribute to the second ratio 60% that SeNB allows use;

Step 3) MeNB determines from the 3rd ratio 40% of using in the time need to guaranteeing transfer of data according to the second ratio 60%, as shown in Figure 6, MeNB sends request change ability ratio (Request change of Capability split) signaling to SeNB, and signaling comprises that following content: MeNB allows the first ratio 70% (Allowed 70 at SeNB) of using); And/or the 4th ratio (Guaranteed 30% at SeNB) used in the time need to guaranteeing transfer of data of SeNB;

MeNB also can send the second ratio 60% (Allowed 60at SeNB) that SeNB allows use of distributing to along band.

Preferably, the first ratio and the 4th ratio and be 100%, the second ratio and the 3rd ratio and be 100%, the 4th ratio of using when SeNB guarantees transfer of data equals the upper remaining ratio ((Leftover 30% at MeNB)) of MeNB, MeNB guarantees that the 3rd ratio that transfer of data is used equals the upper remaining ratio (Leftover 40% at SeNB) of SeNB, is illustrated in figure 7 concrete ability pro rate schematic diagram.

Certainly, the first ratio and the 4th ratio and can be less than 100%, the second ratio and the 3rd ratio and also can be less than 100%, the 3rd ratio of using while guaranteeing transfer of data as MeNB can be 30% etc., SeNB guarantees that the 4th ratio that transfer of data used can be 25% etc.

Step 4), SeNB receives step 3) in information after, return to the response confirmation of change ability ratio and receive above-mentioned signaling, and can return to the eating dishes without rice or wine configuration of relevant UE on SCG.

Step 5), MeNB is when needs guarantee transfer of data, in 40% scope of the maximum transmitted ability of this transmission objective of UE, carry out data dispatch transmission, SeNB, when needs guarantee transfer of data, carries out data dispatch transmission in 30% scope of the maximum transmitted ability of this transmission objective of UE.MeNB is not when needing to guarantee transfer of data, in maximum transmitted ability 70% scope of this transmission objective of UE, carry out data dispatch transmission, SeNB, when not needing to guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability 60% scope at UE at this transmission objective.

In another preferred embodiment of the present invention, on the basis of above-described embodiment, can realize according to the request of SeNB and carry out ratio renewal.As shown in Figure 8, for this data transmission method of MeNB, also comprise:

Step 801, MeNB receives the ability ratio change request that SeNB sends, and described ability ratio change request comprises in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value one or more;

Step 802, when MeNB determines the ability ratio change request of accepting SeNB, if ability ratio change request comprises the first ratio renewal value and/or the 4th ratio renewal value, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the first ratio, if ability ratio change request comprises the second ratio renewal value and/or the 3rd ratio renewal value, according to the second ratio renewal value or the 3rd ratio renewal value, upgrade the 3rd ratio;

Should guarantee the first ratio after upgrading and the 4th ratio be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%.

Step 803, MeNB returns to the feedback message of ability to accept ratio change request to SeNB, so that SeNB upgrades the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio, and when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission after completed percentage change;

Step 804 when needs guarantee transfer of data, is carried out data dispatch transmission after MeNB completed percentage change within the scope of maximum transmitted ability the 3rd ratio renewal value of this transmission objective of UE.

As shown in Figure 9, for SeNB, this data transmission method also comprises:

Step S901, the ability ratio change request that SeNB sends to MeNB, described ability ratio change request comprises in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value one or more;

Step S902, SeNB receives the feedback message that MeNB returns to ability to accept ratio change request, according to the second ratio renewal value or the 3rd ratio renewal value, upgrades the second ratio, according to the first ratio renewal value or the 4th ratio renewal value, upgrades the 4th ratio.

Step S903 when needs guarantee transfer of data, carries out data dispatch transmission after SeNB completed percentage change in maximum transmitted ability the 4th proportion of this transmission objective of UE.

Below in conjunction with MeNB and SeNB, provide the data transmission procedure that the embodiment of the present invention is carried out ratio change, as shown in figure 10, mainly comprise:

Step 1), SeNB asks to change corresponding ability ratio to the change of MeNB transmitting capacity ratio.This solicited message comprises: SeNB allows the renewal value of second ratio (the Allowed 60 at SeNB in Fig. 7) of use; And/or the upper renewal value that allows first ratio (the Allowed 70% at MeNB in Fig. 7) of use of MeNB; And/or the renewal value of the 4th ratio (the Guaranteed 30% at SeNB in Fig. 7) used while guaranteeing transmission of SeNB; And/or the 3rd ratio (the Guaranteed 40% at MeNB in Fig. 7) used while guaranteeing transmission of MeNB.SeNB can provide the relevant configuration information of UE at SCG along band.

Step 2), MeNB is according to step 1) in the ability ratio change request of receiving, if determined while self not allowing to accept the ability ratio change request of SeNB, determine the ability ratio change request of not accepting SeNB, to SeNB, return to the feedback message (ability ratio change response) of refusal ability to accept ratio change request; Determine self allow to accept the ability ratio change request of SeNB and do not need to change UE eat dishes without rice or wine to configure time, determine the ability ratio change request of accepting SeNB, to SeNB, return to the feedback message (ability ratio change response) of ability to accept ratio change request; Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

Step 3), UE is according to step 2) reconfiguration message of eating dishes without rice or wine received eats dishes without rice or wine to reshuffle, and UE is connected and whether has been reshuffled feedback configuration successfully to MeNB by RRC.

Step 4), when MeNB receives the feedback of UE configuration successful, determine the ability ratio change request of accepting SeNB, to SeNB, return to the feedback message (ability ratio change response) of ability to accept ratio change request.

Step 5), according to step 4), if MeNB feedback is not accepted the ability ratio change request of SeNB, MeNB/SeNB is still according to consulting definite ability ratio before ability ratio change request, in the situation that need to guarantee transfer of data, in maximum transmitted ability the 3rd ratio/four proportion of this transmission objective of UE, carry out data dispatch transmission.If MeNB feedback is accepted the change capability requests of SeNB, MeNB and SeNB are according to the 3rd ratio/four ratio after upgrading, in the situation that need to guarantee transfer of data, within the scope of maximum transmitted ability the 3rd ratio renewal value/four ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.MeNB and SeNB, in schedule data transmission, are no more than the maximum UE limit of power of consulting permission.

Based on same inventive concept, a kind of MeNB and SeNB that carries out transfer of data is also provided in the embodiment of the present invention, because the principle that this device is dealt with problems is similar to a kind of data transmission method, so the enforcement of this device can, referring to the enforcement of method, repeat part and repeat no more.

A main evolution base station MeNB, as shown in figure 11, comprising:

Maximum capacity determining unit 1101, for a transmission objective for UE, determines the maximum transmitted ability of this transmission objective of UE;

Allow ratio-dependent unit 1102, when the maximum transmitted ability of this transmission objective of UE is pro rata distributed for determining, distribute to and self allow the first ratio of using and distribute to the second ratio that SeNB allows use;

Guarantee ratio-dependent unit 1103, for the 3rd ratio of certainly using in the time need to guaranteeing transfer of data according to the second ratio-dependent, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, so that SeNB is when needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission, wherein, the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%;

Data transmission unit 1104 for when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 3rd proportion of this transmission objective of UE.

Preferably, data transmission unit also for:

When not needing to guarantee transfer of data, in maximum transmitted ability first proportion of this transmission objective of UE, carry out data dispatch transmission.

Preferably, guarantee that ratio-dependent unit sends to SeNB the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, specifically comprises:

To SeNB, send to carry and distribute to the first ratio of MeNB self permission use and/or the signaling of the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data.

Preferably, guarantee that ratio-dependent unit sends in message and also comprises that distributing to SeNB allows the second ratio of using to SeNB.

Preferably, MeNB also comprises:

Confirmation receiving element, receives for receiving SeNB the confirmation of returning after signaling, or reception SeNB receives confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG of returning after signaling.

Preferably, MeNB also comprises:

Change request reception unit, the ability ratio change request sending for receiving SeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Ratio updating block, accepts the ability ratio of SeNB and changes while asking for determining, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the first ratio, according to the second ratio renewal value or the 3rd ratio renewal value, upgrades the 3rd ratio;

Feedback unit, for return to the feedback message of ability to accept ratio change request to SeNB, so that SeNB upgrades the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio, and when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission after completed percentage change;

Described data transmission unit also for after completed percentage change when needs guarantee transfer of data, within the scope of maximum transmitted ability the 3rd ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

Preferably, described feedback unit also for:

While determining the ability ratio change request of not accepting SeNB, to SeNB, return to the feedback message of refusal ability to accept ratio change request.

Preferably, ratio updating block is determined the ability ratio change request of accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration successful, determine the ability ratio change request of accepting SeNB; Or

Determine self allow to accept the ability ratio change request of SeNB and do not need to change UE eat dishes without rice or wine to configure time, determine the ability ratio change request of accepting SeNB.

Preferably, described feedback unit is determined the ability ratio change request of not accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration failure, determine the ability ratio change request of not accepting SeNB; Or

Determine while self not allowing to accept the ability ratio change request of SeNB, determine the ability ratio change request of not accepting SeNB.

The embodiment of the present invention also provides a kind of MeNB, comprises processor and data transceiver, wherein:

Described processor be configured to for: for a transmission objective of UE, determine the maximum transmitted ability of this transmission objective of UE; Determine when the maximum transmitted ability of this transmission objective of UE is pro rata distributed, distribute to and self allow the first ratio of using and distribute to the second ratio that SeNB allows use; Certainly the 3rd ratio of using in the time need to guaranteeing transfer of data according to the second ratio-dependent, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, so that SeNB is when needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission, wherein, the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%; When needs guarantee transfer of data, in maximum transmitted ability the 3rd proportion of this transmission objective of UE, carry out data dispatch transmission;

Described data transceiver is for transceiving data under the control of described processor.

The present invention also provides evolution base station SeNB a kind of time, as shown in figure 12, comprising:

Maximum capacity determining unit 1201, for a transmission objective for UE, determines the maximum transmitted ability of this transmission objective of UE;

Guarantee ratio-dependent unit 1202, for the signaling sending according to MeNB, determine the 4th ratio that the SeNB of MeNB indication is used in the time need to guaranteeing transfer of data, described the 4th ratio and MeNB distribute to that MeNB allows the first ratio of using during to the maximum transmitted ability pro-rata of this transmission objective of UE be not more than 100%;

Data transmission unit 1203 for when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 4th proportion of this transmission objective of UE.

Preferably, SeNB also comprises:

Allow ratio-dependent unit, when the maximum transmitted ability of this transmission objective of UE is pro rata distributed for definite MeNB, distribute to SeNB and allow the second ratio of using;

Data transmission unit is also for when needing to guarantee transfer of data, in maximum transmitted ability second proportion of this transmission objective of UE, carries out data dispatch transmission.

Preferably, the signaling that guarantees the described MeNB transmission that ratio-dependent unit receives is carried the first ratio of MeNB permission use and/or the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data distributed to.

Preferably, the signaling that the described MeNB that assurance ratio-dependent unit receives sends also comprises that distributing to SeNB allows the second ratio of using.

Preferably, this SeNB also comprises:

Confirmation unit, for receiving after the signaling of MeNB transmission, returns to confirmation to MeNB, or returns to confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG to MeNB.

Preferably, this SeNB also comprises:

Change request unit, for the ability ratio change request sending to MeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Feedback receiving element, returns to for receiving MeNB the feedback message that the change of ability to accept ratio is asked;

Ratio updating block, for upgrading the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, upgrades the 4th ratio according to the first ratio renewal value or the 4th ratio renewal value;

Described data transmission unit also for after completed percentage change when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

The embodiment of the present invention also provides a kind of SeNB, comprises processor and data transceiver, wherein:

Described processor be configured to for: for a transmission objective for UE, determine the maximum transmitted ability of this transmission objective of UE; The signaling sending according to MeNB, determine the 4th ratio that the SeNB of MeNB indication is used in the time need to guaranteeing transfer of data, described the 4th ratio and MeNB distribute to that MeNB allows the first ratio of using during to the maximum transmitted ability pro-rata of this transmission objective of UE be not more than 100%; When needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission;

Described data transceiver, for transceiving data under the control of processor.

The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.

Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.

Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims (30)

1. a main evolution base station MeNB data transmission method, is characterized in that, comprising:

For a transmission objective of UE, determine the maximum transmitted ability of this transmission objective of UE;

Determine when the maximum transmitted ability of this transmission objective of UE is pro rata distributed, distribute to and self allow the first ratio of using and distribute to the second ratio that SeNB allows use;

Certainly the 3rd ratio of using in the time need to guaranteeing transfer of data according to the second ratio-dependent, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, so that SeNB is when needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission, wherein, the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%;

When needs guarantee transfer of data, in maximum transmitted ability the 3rd proportion of this transmission objective of UE, carry out data dispatch transmission.

2. the method for claim 1, is characterized in that, also comprises:

When not needing to guarantee transfer of data, in maximum transmitted ability first proportion of this transmission objective of UE, carry out data dispatch transmission.

3. the method for claim 1, is characterized in that, to SeNB, sends the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, specifically comprises:

To SeNB, send to carry and distribute to the first ratio of MeNB self permission use and/or the signaling of the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data.

4. method as claimed in claim 3, is characterized in that, to SeNB, sends in message and also comprises that distributing to SeNB allows the second ratio of using.

5. the method for claim 1, is characterized in that, also comprises:

Receive SeNB and receive the confirmation of returning after signaling, or reception SeNB receives confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG of returning after signaling.

6. the method for claim 1, is characterized in that, also comprises:

Receive the ability ratio change request that SeNB sends, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

While determining the ability ratio change request of accepting SeNB, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the first ratio, according to the second ratio renewal value or the 3rd ratio renewal value, upgrade the 3rd ratio;

To SeNB, return to the feedback message of ability to accept ratio change request, so that SeNB upgrades the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio, and when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission after completed percentage change;

After completed percentage change, when needs guarantee transfer of data, within the scope of maximum transmitted ability the 3rd ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

7. method as claimed in claim 6, is characterized in that, also comprises:

While determining the ability ratio change request of not accepting SeNB, to SeNB, return to the feedback message of refusal ability to accept ratio change request.

8. method as claimed in claim 6, is characterized in that, determines the ability ratio change request of accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration successful, determine the ability ratio change request of accepting SeNB; Or

Determine self allow to accept the ability ratio change request of SeNB and do not need to change UE eat dishes without rice or wine to configure time, determine the ability ratio change request of accepting SeNB.

9. method as claimed in claim 7, is characterized in that, determines the ability ratio change request of not accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration failure, determine the ability ratio change request of not accepting SeNB; Or

Determine while self not allowing to accept the ability ratio change request of SeNB, determine the ability ratio change request of not accepting SeNB.

10. a data transmission method of SeNB, is characterized in that, comprising:

For a transmission objective of UE, determine the maximum transmitted ability of this transmission objective of UE;

The signaling sending according to MeNB, determine the 4th ratio that the SeNB of MeNB indication is used in the time need to guaranteeing transfer of data, described the 4th ratio and MeNB distribute to that MeNB allows the first ratio of using during to the maximum transmitted ability pro-rata of this transmission objective of UE be not more than 100%;

When needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission.

11. methods as claimed in claim 10, is characterized in that, also comprise:

Determine when MeNB pro rata distributes to the maximum transmitted ability of this transmission objective of UE, distribute to SeNB and allow the second ratio of using;

When not needing to guarantee transfer of data, in maximum transmitted ability second proportion of this transmission objective of UE, carry out data dispatch transmission.

12. methods as claimed in claim 10, is characterized in that, the signaling that described MeNB sends is carried the first ratio of MeNB permission use and/or the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data distributed to.

13. methods as claimed in claim 12, is characterized in that, the signaling that described MeNB sends also comprises that distributing to SeNB allows the second ratio of using.

14. methods as claimed in claim 10, is characterized in that, also comprise:

Receive after the signaling of MeNB transmission, to MeNB, return to confirmation, or return to confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG to MeNB.

15. methods as claimed in claim 11, is characterized in that, also comprise:

The ability ratio change request sending to MeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Receive the feedback message that MeNB returns to ability to accept ratio change request, according to the second ratio renewal value or the 3rd ratio renewal value, upgrade the second ratio, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio;

After completed percentage change, when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

16. 1 kinds of main evolution base station MeNB, is characterized in that, comprising:

Maximum capacity determining unit, for a transmission objective for UE, determines the maximum transmitted ability of this transmission objective of UE;

Allow ratio-dependent unit, when the maximum transmitted ability of this transmission objective of UE is pro rata distributed for determining, distribute to and self allow the first ratio of using and distribute to the second ratio that SeNB allows use;

Guarantee ratio-dependent unit, for the 3rd ratio of certainly using in the time need to guaranteeing transfer of data according to the second ratio-dependent, to SeNB, send the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, so that SeNB is when needs guarantee transfer of data, in maximum transmitted ability the 4th proportion of this transmission objective of UE, carry out data dispatch transmission, wherein, the first ratio and the 4th ratio and be not more than 100%, the second ratio and the 3rd ratio sum is not more than 100%;

Data transmission unit for when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 3rd proportion of this transmission objective of UE.

17. MeNB as claimed in claim 16, is characterized in that, data transmission unit also for:

When not needing to guarantee transfer of data, in maximum transmitted ability first proportion of this transmission objective of UE, carry out data dispatch transmission.

18. MeNB as claimed in claim 16, is characterized in that, guarantee that ratio-dependent unit sends to SeNB the 4th ratio that signaling indication SeNB is used in the time need to guaranteeing transfer of data, specifically comprises:

To SeNB, send to carry and distribute to the first ratio of MeNB self permission use and/or the signaling of the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data.

19. MeNB as claimed in claim 18, is characterized in that, guarantee that ratio-dependent unit sends in message and also comprises that distributing to SeNB allows the second ratio of using to SeNB.

20. MeNB as claimed in claim 16, is characterized in that, also comprise:

Confirmation receiving element, receives for receiving SeNB the confirmation of returning after signaling, or reception SeNB receives confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG of returning after signaling.

21. MeNB as claimed in claim 16, is characterized in that, also comprise:

Change request reception unit, the ability ratio change request sending for receiving SeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Ratio updating block, accepts the ability ratio of SeNB and changes while asking for determining, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the first ratio, according to the second ratio renewal value or the 3rd ratio renewal value, upgrades the 3rd ratio;

Feedback unit, for return to the feedback message of ability to accept ratio change request to SeNB, so that SeNB upgrades the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, according to the first ratio renewal value or the 4th ratio renewal value, upgrade the 4th ratio, and when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission after completed percentage change;

Described data transmission unit also for after completed percentage change when needs guarantee transfer of data, within the scope of maximum transmitted ability the 3rd ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.

22. MeNB as claimed in claim 21, is characterized in that, described feedback unit also for:

While determining the ability ratio change request of not accepting SeNB, to SeNB, return to the feedback message of refusal ability to accept ratio change request.

23. MeNB as claimed in claim 21, is characterized in that, ratio updating block is determined the ability ratio change request of accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration successful, determine the ability ratio change request of accepting SeNB; Or

Determine self allow to accept the ability ratio change request of SeNB and do not need to change UE eat dishes without rice or wine to configure time, determine the ability ratio change request of accepting SeNB.

24. MeNB as claimed in claim 22, is characterized in that, described feedback unit is determined the ability ratio change request of not accepting SeNB, specifically comprises:

Determine self allow to accept the ability ratio change request of SeNB and need to change UE eat dishes without rice or wine to configure time, to UE, send the reconfiguration message of eating dishes without rice or wine UE be configured;

While receiving the feedback of UE configuration failure, determine the ability ratio change request of not accepting SeNB; Or

Determine while self not allowing to accept the ability ratio change request of SeNB, determine the ability ratio change request of not accepting SeNB.

25. 1 kinds evolution base station SeNB, is characterized in that, comprising:

Maximum capacity determining unit, for a transmission objective for UE, determines the maximum transmitted ability of this transmission objective of UE;

Guarantee ratio-dependent unit, for the signaling sending according to MeNB, determine the 4th ratio that the SeNB of MeNB indication is used in the time need to guaranteeing transfer of data, described the 4th ratio and MeNB distribute to that MeNB allows the first ratio of using during to the maximum transmitted ability pro-rata of this transmission objective of UE be not more than 100%;

Data transmission unit for when needs guarantee transfer of data, carries out data dispatch transmission in maximum transmitted ability the 4th proportion of this transmission objective of UE.

26. SeNB as claimed in claim 25, is characterized in that, also comprise:

Allow ratio-dependent unit, when the maximum transmitted ability of this transmission objective of UE is pro rata distributed for definite MeNB, distribute to SeNB and allow the second ratio of using;

Data transmission unit is also for when needing to guarantee transfer of data, in maximum transmitted ability second proportion of this transmission objective of UE, carries out data dispatch transmission.

27. SeNB as claimed in claim 25, is characterized in that, guarantee that the signaling of the described MeNB transmission that ratio-dependent unit receives is carried the first ratio of MeNB permission use and/or the 4th ratio that SeNB is used in the time need to guaranteeing transfer of data distributed to.

28. SeNB as claimed in claim 27, is characterized in that, guarantee that the signaling of the described MeNB transmission that ratio-dependent unit receives also comprises that distributing to SeNB allows the second ratio of using.

29. SeNB as claimed in claim 25, is characterized in that, also comprise:

Confirmation unit, for receiving after the signaling of MeNB transmission, returns to confirmation to MeNB, or returns to confirmation and the eating dishes without rice or wine configuration of described UE on inferior cell set SCG to MeNB.

30. SeNB as claimed in claim 26, is characterized in that, also comprise:

Change request unit, for the ability ratio change request sending to MeNB, described ability ratio change request comprises one or more in the first ratio renewal value, the second ratio renewal value, the 3rd ratio renewal value and the 4th ratio renewal value;

Feedback receiving element, returns to for receiving MeNB the feedback message that the change of ability to accept ratio is asked;

Ratio updating block, for upgrading the second ratio according to the second ratio renewal value or the 3rd ratio renewal value, upgrades the 4th ratio according to the first ratio renewal value or the 4th ratio renewal value;

Described data transmission unit also for after completed percentage change when needs guarantee transfer of data, within the scope of maximum transmitted ability the 4th ratio renewal value of this transmission objective of UE, carry out data dispatch transmission.