CN109803437A

CN109803437A - A kind of accidental access method, terminal and the network equipment

Info

Publication number: CN109803437A
Application number: CN201711147482.3A
Authority: CN
Inventors: 纪子超
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2017-11-17
Filing date: 2017-11-17
Publication date: 2019-05-24
Anticipated expiration: 2037-11-17
Also published as: CN109803437B

Abstract

The embodiment of the present invention discloses a kind of accidental access method, terminal and the network equipment, is related to wireless communication technology field, to realize the random access of terminal in the case where a descending carrier is associated with the scene of multiple up-link carriers.This method comprises: the Physical Random Access Channel PRACH that the network equipment receives terminal transmission is leading；The network equipment is leading according to PRACH, determines and sends the first leading up-link carrier of PRACH；Wherein, the network equipment indicates that at least two up-link carriers, the first up-link carrier are one at least two up-link carrier；The network equipment sends random access response RAR on the first descending carrier corresponding with the first up-link carrier；Wherein, RAR is used to indicate whether the terminal is successfully accessed the network equipment.

Description

A kind of accidental access method, terminal and the network equipment

Technical field

The present invention relates to wireless communication technology field, in particular to a kind of accidental access method, terminal and the network equipment.

Background technique

In the wireless access technologys standards such as long term evolution (Long Term Evolution, LTE), a descending carrier is most It is associated with a up-link carrier more.In order to support user equipment (User Equipment, UE) to access network, network side equipment (for example, base station) needs to configure Physical Random Access Channel (Physical Random in the corresponding up-link carrier of descending carrier Access Channel, PRACH) resource.Wherein, PRACH resource includes time-domain and frequency-domain of the PRACH channel in upstream bandwidth Position.When the multiple PRACH resources of system configuration, UE selects one of PRACH resource to carry out random access.

In order to improve uplink covering performance, uplink time delay is reduced, uplink throughput is improved, 5G NR system is supported more A up-link carrier is associated with the same descending carrier, i.e. up-link carrier corresponding to the descending carrier in addition to script, 5G NR system System can also be the additional collocating uplink carrier wave of UE, referred to as auxiliary up-link carrier.UE selects one of up-link carrier to send PRACH preamble, and the public search space for monitoring PDCCH comes whether blind examination has the RAR for being sent to the UE.However, according to Existing method, the DCI of the RAR of multiple up-link carriers is sent in the public search space of the same PDCCH, so as to cause UE The RAR that different up-link carriers cannot be distinguished causes UE random access to malfunction.

Summary of the invention

The embodiment of the present invention provides a kind of accidental access method, terminal and the network equipment, to close in a descending carrier Under the scene for joining multiple up-link carriers, the random access of terminal is realized.

In order to achieve the above objectives, the embodiment of the present application adopts the following technical scheme that

In a first aspect, the embodiment of the present invention provides a kind of accidental access method, comprising:

It is leading that the network equipment receives the Physical Random Access Channel PRACH that terminal is sent；

The network equipment is leading according to the PRACH, determines and sends the first leading up-link carrier of the PRACH；Its In, the network equipment indicates that at least two up-link carriers, first up-link carrier are at least two up-link carrier One；

The network equipment sends random access response on the first descending carrier corresponding with first up-link carrier RAR；Wherein, the RAR is used to indicate whether the terminal is successfully accessed the network equipment.

Second aspect, the embodiment of the present invention provide a kind of accidental access method, which comprises

It is leading that terminal sends PRACH on the first up-link carrier；Wherein, first up-link carrier is at least two uplinks One in carrier wave, the network equipment indicates that at least two up-link carriers, first up-link carrier are described at least two One in up-link carrier；

The terminal receives on corresponding first descending carrier of first up-link carrier and demodulates the network equipment The random access response RAR of transmission；Wherein, the RAR is used to indicate whether the terminal is successfully accessed the network equipment；

The terminal determines whether the terminal is properly received the RAR according to the RAR, and whether is successfully accessed institute State the network equipment.

The third aspect, the embodiment of the present invention provide a kind of terminal, comprising:

Sending module, it is leading for sending PRACH on the first up-link carrier；Wherein, first up-link carrier is extremely One in few two up-link carriers, the network equipment indicates at least two up-link carriers, and first up-link carrier is institute State one at least two up-link carriers；

Receiving module, for being received on corresponding first descending carrier of first up-link carrier and demodulating the network The random access response RAR that equipment is sent；Wherein, the RAR, which is used to indicate the terminal and whether is successfully accessed the network, sets It is standby；

Determining module determines whether the terminal is successfully accessed the network equipment according to the RAR for the terminal.

Fourth aspect, the embodiment of the present invention provide a kind of network equipment, comprising:

Receiving module, the Physical Random Access Channel PRACH for receiving terminal transmission are leading；

Determining module, for leading according to the received PRACH of the receiving module, before determining the transmission PRACH The first up-link carrier led；Wherein, the network equipment indicates at least two up-link carriers, and first up-link carrier is described One at least two up-link carriers；

Sending module, in the first descending carrier corresponding with determining first up-link carrier of the determining module Upper transmission random access response RAR；Wherein, the RAR is used to indicate whether the terminal is successfully accessed the network equipment.

5th aspect, the embodiment of the present invention provide a kind of network equipment, including processor, memory and are stored in described deposit It is real when the computer program is executed by the processor on reservoir and the computer program that can run on the processor Now the step of accidental access method as described in relation to the first aspect.

5th aspect, the embodiment of the present invention provide a kind of computer readable storage medium, which is characterized in that the computer Computer program is stored on readable storage medium storing program for executing, is realized as described in relation to the first aspect when the computer program is executed by processor Accidental access method the step of.

6th aspect, the embodiment of the present invention provide a kind of terminal, which is characterized in that including processor, memory and storage On the memory and the computer program that can run on the processor, the computer program is by the processor The step of accidental access method as described in second aspect is realized when execution.

7th aspect, the embodiment of the present invention provide a kind of computer readable storage medium, which is characterized in that the computer Computer program is stored on readable storage medium storing program for executing, is realized described in second aspect when the computer program is executed by processor The step of accidental access method.

The network equipment is after the PRACH for receiving terminal transmission is leading in the embodiment of the present invention, before meeting is according to the PRACH It leads, determines and send the first leading up-link carrier of the PRACH, which indicates at least two up-link carriers, the first uplink Carrier wave is one at least two up-link carriers, and then, the network equipment is in the first downlink corresponding with first up-link carrier RAR is sent on carrier wave, so that terminal can be received successfully from corresponding first descending carrier of first up-link carrier The network equipment is the RAR of terminal feedback, to realize terminal in the case where a descending carrier is associated with the scene of multiple up-link carriers Access the correct network equipment.

Detailed description of the invention

A kind of communication system architecture figure that Fig. 1 is applicable in by technical solution provided in an embodiment of the present invention；

Fig. 2 is cell carrier schematic diagram provided in an embodiment of the present invention；

Fig. 3 is a kind of flow diagram of accidental access method provided in an embodiment of the present invention；

Fig. 4 is the flow diagram of another accidental access method provided in an embodiment of the present invention；

Fig. 5 is the flow diagram of another accidental access method provided in an embodiment of the present invention；

Fig. 6 is the flow diagram of another accidental access method provided in an embodiment of the present invention；

Fig. 7 is a kind of structural schematic diagram of the network equipment provided in an embodiment of the present invention；

Fig. 8 is the structural schematic diagram of another network equipment provided in an embodiment of the present invention；

Fig. 9 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention；

Figure 10 is a kind of structural schematic diagram of the network equipment provided in an embodiment of the present invention；

Figure 11 is the structural schematic diagram of another terminal provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, shall fall within the protection scope of the present invention.

Technical solution provided by the invention can be applied to various communication systems, for example, 5G communication system, the following evolution system System or a variety of communication emerging systems etc..It may include plurality of application scenes, for example, Machine To Machine (machine to Machine, M2M), it is D2M, macro micro- communication, enhanced mobile Internet (enhance mobile broadband, eMBB), super High reliability communicates (ultra reliable&low latency communication, uRLLC) and sea with ultralow time delay Measure scenes such as Internet of Things Network Communication (massive machine type communication, mMTC).These scenes include but not It is limited to: communication between communication or the network equipment and the network equipment or the network equipment and terminal room between terminal and terminal The scenes such as communication in.The embodiment of the present invention can be applied to logical with the network equipment in 5G communication system and between terminal Letter or the communication between terminal and terminal or the communication between the network equipment and the network equipment.

Fig. 1 shows a kind of possible structural schematic diagram of communication system involved in the embodiment of the present invention.Such as Fig. 1 institute Show, which includes that at least one network equipment 100 (one is only shown in Fig. 1) and each network equipment 100 connect The one or more terminals 200 connect.

Wherein, the above-mentioned network equipment 100 can be base station, equipment of the core network, transmission node (transmission Reference point, TRP), relay station or access point etc..The network equipment 100 can be global system for mobile communications (global system for mobile communication, GSM) or CDMA (code division multiple Access, CDMA) base transceiver station (base transceiver station, BTS) in network, it is also possible to broadband NB (NodeB) in CDMA (wideband code division multiple access, WCDMA), can also be ENB or eNodeB (evolutional NodeB) in LTE.The network equipment 100 can also be cloud Radio Access Network (cloud Radio access network, CRAN) wireless controller under scene.The network equipment 100 can also be in 5G communication system The network equipment or future evolution network in the network equipment.

Terminal 200 can may be catv terminal for wireless terminal, which can be directed to user and provide language The equipment of sound and/or other business datum connectivity has the handheld device of wireless communication function, calculates equipment or be connected to Other processing equipments, mobile unit, wearable device, the terminal in future 5G network or the future of radio modem Terminal etc. in the PLMN network of evolution.Wireless terminal can be through wireless access network (Radio Access Network, RAN) Communicated with one or more core nets, wireless terminal can be mobile terminal, as mobile phone (or for " honeycomb " electricity Words) and computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle The mobile device of load, they exchange language and/or data and personal communication service (Personal with wireless access network Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) stand, personal digital assistant Equipment such as (Personal Digital Assistant, PDA), wireless terminal may be mobile device, user equipment (user equipment, UE), UE terminal, access terminal, wireless telecom equipment, terminal unit, terminal station, movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), remote station, remote terminal (Remote Terminal), subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), user agent (User Agent), terminal installation etc..Above-mentioned is only a kind of example, without being limited thereto in practical application.

Wherein, the network equipment can be the multiple up-link carriers of a cell deployment and a descending carrier, and multiple uplink carries Wave includes the descending carrier corresponding up-link carrier and at least one auxiliary up-link carrier (SUL) additionally configured originally, In, each up-link carrier is assigned a up-link carrier mark, and descending carrier is assigned a descending carrier mark, the uplink Carrier identification can show the mark of the up-link carrier for only table, the present invention can using UL1, UL2 ... Uln indicates different Up-link carrier.Descending carrier mark can show the mark of the descending carrier for only table, the present invention can using DL1, DL2 ... Dlm indicates different descending carriers.As shown in Fig. 2, Fig. 2 shows the carrier waves for the cell for carrying out two different frequent points Schematic diagram.As shown in Fig. 2, there are two up-link carrier UL1 and UL2 and descending carrier DL1, cells 2 for deployment in cell 1 There are two up-link carrier UL3 and UL4 and following descending carrier DL2 for upper deployment.

Part term involved in the present invention is explained below, is understood with helping reader:

1, random access procedure

Terminal establishes connection by random access procedure and cell and obtains uplink synchronous, only acquirement uplink synchronous, eventually End just can be carried out uplink.Wherein, there are two types of different modes for random access procedure: based on competition (Contention Based random access) and based on non-competing (Non-Contention based or Contention-Free based) Random access.

For terminal when executing random access procedure, terminal is leading in the PRACH channel transmission PRACH of configuration (preamble), the network equipment (for example, base station) can be known when receiving PRACH preamble in the up-link carrier Corresponding descending carrier has terminal to attempt access, and in corresponding (the Random Access of descending carrier scheduling random access Response, RAR) signaling sends, and it, can be according to the uplink scheduling authorization carried inside RAR after terminal receives RAR (uplink grant, UL grant) sends subsequent random accessing message in the ascending resource of distribution.

Wherein, above-mentioned preamble be mainly used for inform there is a random access request to base station, and make base station It can estimate its propagation delay time between terminal, so as to network side calibration upstream time and calibration information is informed into terminal.Each Cell has 64 available preamble sequences, and terminal can select one of them (or being specified by base station) to transmit on prach, These preamble sequences are segmented into two parts, and a part is used for random access competition-based, and another part is for being based on Non-competing random access.Above-mentioned RAR signaling passes through corresponding Downlink Control Information (Downlink Control Information, DCI) scheduling, Physical Downlink Shared Channel (Physical Download Shared Channel, PDSCH) channel is sent.The PRACH resource of corresponding different time domain or frequency domain, base station can send different RAR messages.

2, Downlink Control Information (Downlink Control Indicator, DCI)

In LTE system, Physical Downlink Control Channel (Physical Download Control Channel, PDCCH) It is sent in downlink subframe, the multiplexing of PDCCH and Physical Downlink Shared Channel (PDSCH) formation time division multiplexing (TDM) is closed System.Pass through preceding 1-3 orthogonal frequency division multiplexing (the Orthogonal Frequency Division of a downlink subframe Multiplexing, OFDM) symbol transmission PDCCH.Specifically as shown in Figure 1, in general, being used for transmission PDCCH in LTE system Control area (preceding 3 subcarriers of i.e. one downlink subframe) be to be made of the CCE of logical partitioning.It is carried on PDCCH The basic unit of the running time-frequency resource of DCI is also control channel element (control channel element, CCE).DCI can be with It is transmitted using different aggregation levels (aggregation level, AL).Wherein it is more to refer to that DCI is carried on for aggregation level Few CCE.Aggregation level can be such as, but not limited to 1,2,4,8,16,32 etc., such as aggregation level refers to that DCI is held for 2 It is loaded on 2 CCE.

3, blind Detecting (blind decode)

As described above, DCI can be before a subframe in 1 to 3 symbol and DCI can use different polymerizations Rank is transmitted.But since PDCCH is the instruction that base station is sent, UE does not have other than some system informations before this Other information was received, therefore UE does not know its control channel unit (Control Channel Element, CCE) occupied Number size, position, the DCI format (DCI format) of transmission do not know the aggregation level of DCI yet, and therefore, UE needs logical Cross that blind Detecting attempts the running time-frequency resource position of possible DCI and aggregation level is detected, to receive DCI.That is, UE is used Blind Detecting mode detects the down control channel PDCCH of base station transmission, to obtain Downlink Control Information DCI.

In order to reduce the blind Detecting complexity of UE, two kinds of search spaces are defined in LTE system, are i.e. common search respectively Space (Common Search Space, CSS) and the exclusive search space UE (UE-specific Search Space, UESS), wherein the unit of the size of search space is CCE number.Being used to receive the DCI of RAR in the present invention is searched public Rope space is sent, and is 4 or 8 transmissions therefore, it is necessary to use polymerization grade (Aggregation Level, AL), that is, is needed to occupy 4 Or 8 CCE resources, and random access radio network can be used when sending and temporarily indicate (Random Access Radio Network Temporary Identifier, RA-RNTI) it is scrambled, to distinguish the DCI of different RAR messages.Due to correspondence The scheduling DCI of the RAR message of different resource will use different RA-RNTI and be scrambled, and therefore, terminal can be identified correctly And demodulate the RAR message of the PRACH resource of oneself corresponding selection.

4, other terms

The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, this Character "/" in text typicallys represent the relationship that forward-backward correlation object is a kind of "or"；In formula, character "/" indicates that front and back is closed Connection object is the relationship of a kind of " being divided by ".If explanation is not added, " multiple " herein refer to two or more.

For the ease of clearly describing the technical solution of the embodiment of the present invention, in an embodiment of the present invention, use " the One ", the printed words such as " second " distinguish function or the essentially identical identical entry of effect or similar item, those skilled in the art It is understood that the printed words such as " first ", " second " are not defined quantity and execution order.

It should be noted that in the embodiment of the present invention, " illustrative " or " such as " etc. words make example, example for indicating Card or explanation.Be described as in the embodiment of the present invention " illustrative " or " such as " any embodiment or design scheme not It should be interpreted than other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words be intended to that related notion is presented in specific ways.

Embodiment one:

Fig. 3 shows a kind of flow diagram of accidental access method provided by the invention.This method specifically includes:

S301, terminal send PRACH preamble on the first up-link carrier.

Correspondingly, peer network device receives PRACH preamble.Wherein, the above-mentioned network equipment can be Fig. 1 institute Show the network equipment in communication system, for example, base station；Above-mentioned first terminal can be the end in communication system shown in FIG. 1 End equipment.

The first up-link carrier in the embodiment of the present invention is one at least two up-link carriers, the network equipment indicate to Few two up-link carriers, the first up-link carrier are one at least two up-link carriers.

It is exemplary before S301, the network equipment can be associated with the same downlink for the multiple up-link carriers of cell deployment The network of carrier wave can distribute a up-link carrier mark, the corresponding mark of each up-link carrier, net for each up-link carrier Network equipment can identify these up-link carriers by broadcast or proprietary signaling (for example, wireless heterogeneous networks (Radio Resource Control, RRC)) signal deployment is to terminal.

In a kind of example, the network equipment can also notify all terminals by broadcast message, allow in which running time-frequency resource Upper transmission preamble, illustratively, the network equipment can be at least two up-link carriers that cell configures to terminal broadcast Configuration information, alternatively, the network equipment directly sends the configuration information of at least two up-link carriers to terminal, wherein a uplink The configuration information of carrier wave is used to indicate a up-link carrier and PRACH resource and PRACH on a up-link carrier The configuration information of preamble collection, a up-link carrier includes but is not limited to: the uplink frequency point of the up-link carrier, power control Parameter, time-domain position and frequency domain position in the upstream bandwidth of access thresholding (threshold), PRACH resource and PRACH preamble collection, it includes at least one PRACH preamble that each PRACH preamble, which is concentrated,.

It should be noted that above-mentioned PRACH preamble collection can be it is all or part of on the up-link carrier PRACH preamble, here without limitation.In addition, PRACH resource and PRACH preamble collection in above-mentioned configuration information Configuration in different downlink broadcasts can be different, so that association's group network distinguishes the access of the terminal from different downlinks.

Random access procedure is divided into two kinds: one is random access competition-based, one is based on non-competing random Access.The Random Access that terminal is attempted is different, selects the mode of PRACH preamble also not identical.General end There are two types of the modes of end selection PRACH preamble, the first is: in based on non-competing random access procedure, network Instruction terminal sends specified PRACH preamble, which can be the PRACH of network equipment broadcast One of preamble collection, may not be, and here without limitation, second is: in random access procedure competition-based In, the PRACH preamble that terminal is broadcasted from the network equipment concentrates random selection one.

S302, the network equipment determine the first up-link carrier for sending PRACH preamble according to PRACH preamble.

Illustratively, if the Random Access of terminal is based on non-competing random access, due to specifically connecing at random The resource entered is network equipment distribution, and therefore, it is which terminal needs access network device that the network equipment, which can identify, And RAR is sent in the corresponding descending carrier of the terminal, to access network；If the Random Access of terminal is based on competition Random access, therefore, terminal can demodulate PRACH channel, identified according to the up-link carrier of the PRACH, time-frequency location and/ Or demodulate which PRACH preamble collection the PRACH preamble come belongs to, it determines to send the PRACH The first up-link carrier of preamble, to identify that the terminal is accessed from which descending carrier, and in the case where the terminal is corresponding Row carrier wave sends RAR.

S303, the network equipment send random access response RAR on the first descending carrier corresponding with the first up-link carrier.

S304, terminal receive on corresponding first descending carrier of the first up-link carrier and demodulate network equipment transmission RAR。

Wherein, RAR is used to indicate whether terminal is successfully accessed the network equipment.

S305, terminal determine whether terminal is successfully accessed the network equipment according to RAR.

Illustratively, after terminal carries out blind Detecting to PDCCH, a DCI has been obtained, and RAR scheduled based on the DCI, And if the PRACH preamble of the RAR is consistent with the PRACH preamble that terminal is sent, while carrying in the RAR or DCI Instruction information indicated by up-link carrier and terminal to send the up-link carrier of PRACH preamble consistent, then it is assumed that RAR connects Harvest function.If RAR is received successfully, and terminal is that network equipment institute is sent on the first up-link carrier indicated by the network equipment The PRACH preamble of instruction, then it is assumed that the network equipment is successfully accessed.

Random access procedure is divided into two kinds: one is random access competition-based, one is based on non-competing random Access.

1), for based on non-competing random access

When terminal is before attempting to execute random access, terminal can receive the random access money that the network equipment is terminal configuration Source (for example, by the PDCCH order sent in serving cell, or the RRC signaling sent in cell switching by source base station Configuration), wherein above-mentioned random access resource includes the mark of the specified up-link carrier of the network equipment (for example, uplink carries The carrier identification of wave) and the specified PRACH preamble (for example, PRACH preamble sequence) of the network equipment, at this point, Terminal is selected based on non-competing random access procedure, according to the instruction of the random access resource in the up-link carrier for specifying this PRACH resource send specified PRACH preamble.

It optionally, further include following three kinds of modes to obtain before S301 in based on non-competing random access procedure Know up-link carrier specified by the network equipment and PRACH preamble, specific:

Mode one further includes following steps before S301:

S301a, the network equipment indicate the first up-link carrier and PRACH preamble to terminal.

The network equipment directly can indicate that the terminal needs to send in which up-link carrier to terminal in the embodiment of the present invention Which PRACH preamble.

Mode two further includes following steps before S301:

S301b, the network equipment send down control channel PDCCH order (PDCCH order) to terminal.

Wherein, which carries the first instruction information and PRACH preamble index (for example, PRACH Preamble sequence), which is used to indicate the first up-link carrier, i.e. instruction terminal is executed in which up-link carrier Random access, PRACH preamble index are used to indicate terminal and are sent using which PRACH preamble, PDCCH order The PRACH resource that terminal is used to indicate in the first up-link carrier sends PRACH preamble.

Corresponding, terminal is according to the instruction of PDCCH order, in the PRACH of the up-link carrier of the first instruction information instruction Resource sends specified PRACH preamble.

Mode three, before S301, this method further include:

S301c1, the network equipment send switch indicating information to terminal.

Corresponding, terminal receives the switch indicating information that the network equipment is sent.

S301c2, terminal switch to second community from first community according to switch indicating information, and in the first up-link carrier PRACH resource on send PRACH preamble.

Wherein, switch indicating information is used to indicate terminal and from the network equipment provides the first community of service to be switched to second small Area and instruction terminal send PRACH preamble in the PRACH resource of the first up-link carrier, and the first up-link carrier is the The up-link carrier of two cells.Illustratively, which is also that terminal is configured with conventional UL and SUL, which refers to Show in information further include: uplink frequency point, power contorl parameters, time-domain position and frequency domain position of the PRACH resource in upstream bandwidth It sets and preamble subset, and which UL transmission ascending physical signal control channel and ascending physical signal data channel is used.

It illustrating, it is assumed that the cell that terminal is currently accessed is cell C1, is in connected state, and network side initiates switching, Source cell C1 sends switching command to terminal, and terminal is allowed to be switched to Target cell C2.Since the switching command further indicates terminal The PRACH preamble of non-competing random access is executed, and which UL to execute non-competing random access at, UE is connected to switching After order, it is switched to Target cell C2, sends specified PRACH in the PRACH resource of the up-link carrier of switching command instruction preamble.And network side detects the PRACH preamble of predistribution, it is known that be that the terminal that it is indicated connects at random in execution Enter, therefore RAR message can be sent in the cell downlink carrier wave where the terminal, responds the PRACH of the random access of the terminal preamble。

2), it is directed to random access competition-based

When terminal is before attempting to execute random access, terminal can get at least two up-link carriers of network equipments configuration Configuration information, then according to the access thresholding of the measurement result of downlink wireless management resource (RRM) and each up-link carrier into Row compares, and selects suitable up-link carrier, and concentrate random selection PRACH in the PRACH preamble of the up-link carrier Preamble sends the PRACH preamble in the corresponding PRACH resource of PRACH preamble.

For example, the network equipment disposes a cell, i.e. cell F1 and cell F2, Mei Ge little in frequency point F1 and F2 respectively The corresponding up-link carrier of the descending carrier in area, meanwhile, the network equipment disposes a up-link carrier in frequency point F3, as F1 with The SUL of F2 cell.Wherein, the network equipment is configured with PRACH resource on the auxiliary up-link carrier of frequency point F3, on saving Row PRACH expense, the PRACH resource can be multiplexed to cell F1 with cell F2.The network equipment is distinguished in cell F1 and cell F2 Broadcast SUL random access configuration, wherein cell F1 broadcast SUL PRACH preamble collection P1 with it is wide in cell F2 The PRACH preamble collection P2 of the SUL broadcast is different.

When terminal wishes to carry out random access, and searches frequency point cell F1, then downlink measurements, have selected frequency point The SUL of F3 does random access competition-based, preamble pr-1 has been selected from PRACH preamble collection P1, in SUL PRACH resource send, the network equipment receives pr-1 in the PRACH resource of SUL, belongs to PRACH preamble according to pr-1 Collect P1, it is known that the terminal is accessed from frequency point F1, to send RAR in cell F1.

Terminal can pass through following embodiment two to reality when obtaining DCI and receiving the RAR of scheduling in the embodiment of the present invention Four kinds of modes shown in example four are applied to receive.

Embodiment two:

Fig. 4 shows a kind of flow diagram of accidental access method provided by the invention.The present embodiment is mainly for end How end, which obtains DCI and receive the RAR process of scheduling, is extended, and specific to carrying second indication information on DCI Mode blind examination DCI.Specifically, as shown in figure 4, this method comprises the following steps:

S401, terminal send PRACH preamble on the first up-link carrier.

Corresponding, the network equipment receives PRACH preamble on the first up-link carrier.

S402, the network equipment determine the first up-link carrier for sending PRACH preamble according to PRACH preamble.

S403, the network equipment send DCI.

Wherein, second indication information is carried on DCI, second indication information is used to indicate the first up-link carrier.

Corresponding, terminal receives DCI.

S404, terminal monitoring PDCCH.

S405, terminal receive the first RAR according to the DCI in PDCCH.

S406, terminal determine whether terminal is properly received the RAR that the network equipment is sent to terminal according to RAR.

Illustratively, S406 specifically includes S406a and S406b.

If S406a, terminal terminal detect second indication information in the DCI in PDCCH, and PRACH preamble with PRACH preamble sequence identifier matching in first RAR, then terminal determines that terminal is properly received the network equipment and sends out to terminal The RAR sent, second indication information are used to indicate the first up-link carrier, and the first RAR is identical as RAR.

S406b, otherwise, terminal determines that terminal is not successfully received the RAR that the network equipment is sent to terminal.

Illustratively, terminal is in PDCCH after blind examination to DCI, if detecting second indication information from DCI, at this point, The sequence identifier and the PRACH preamble sequence in the first RAR for the PRACH preamble that terminal can send terminal Mark is matched, if successful match, is shown that the RAR be the network equipment is RAR transmitted by the terminal, is determined that terminal is true Determine terminal and be properly received the RAR that the network equipment is sent to terminal, otherwise, it determines it is that other terminals are sent that the RAR, which is the network equipment, RAR.

S407, terminal determine whether to be successfully accessed the network equipment according to RAR.

It should be noted that the description relevant to embodiment one of the present embodiment two can refer to the content in embodiment one, Which is not described herein again.

The embodiment of the present invention, the network equipment are being detected from DCI by increasing second indication information, terminal on DCI After second indication information, can be determined according to the second indication information and RAR terminal whether be properly received RAR and whether It is successfully accessed the network equipment, to realize that terminal accesses correct net in the case where a descending carrier is associated with multiple up-link carrier scenes Network equipment.

Embodiment three:

Fig. 5 shows a kind of flow diagram of accidental access method provided by the invention.The present embodiment is mainly for end How end, which obtains DCI and receive the RAR process of scheduling, is extended, and specific to interim based on random access radio network Identify RA-RNTI mode blind examination DCI scrambled to DCI.Specifically, as shown in figure 5, this method comprises the following steps:

S501, terminal send PRACH preamble on the first up-link carrier.

S502, the network equipment determine the first up-link carrier for sending PRACH preamble according to PRACH preamble.

S503, the network equipment scramble DCI according to the RA-RNTI of the first up-link carrier.

Wherein, above-mentioned RA-RNTI is used to indicate the first up-link carrier.

In a kind of example, the RA-RNTI of first up-link carrier is configuration of the network equipment based on the first up-link carrier What information determined, wherein the configuration information of first up-link carrier includes the mark of the first up-link carrier, the first up-link carrier The frequency domain mark of middle PRACH resource and when at least one of domain identifier.

Illustratively, which it is corresponding can also to calculate each up-link carrier using specific calculation formula RA-RNTI.For example, the calculation formula can be with are as follows: RA-RNTI=1+t_id+a*f_id+b*UL_id,；Wherein, t_id is The when domain identifier of PRACH resource, f_id are the frequency domain marks of PRACH resource, and UL_id is the mark of the corresponding up-link carrier of PRACH Know, a=max { t_id }+1, i.e. a be equal to PRACH resource when domain identifier in maximum mark plus 1, b=a* (max { f_id }+ 1), i.e. b is equal to the value after the maximum mark in the frequency domain mark of PRACH resource adds 1 and the product of a.

It should be noted that above-mentioned calculation formula is only a kind of example, in practical applications, which can have other Deformation, it is only necessary to calculated RA-RNTI can distinguish different up-link carriers, and formula form is not limited here It is fixed.

S504, the network equipment send the DCI after scrambling.

Corresponding, terminal receives the DCI after scrambling.

S505, terminal monitor PDCCH according to the RA-RNTI of the first up-link carrier.

If S506, terminal detect DCI according to RA-RNTI from PDCCH, terminal receives the first RAR according to the DCI.

If DCI is not detected according to RA-RNTI in terminal from PDCCH, terminal determination is not successfully received RAR.

S507, terminal determine whether terminal is properly received the RAR that the network equipment is sent to terminal according to RAR.

Illustratively, S507 includes S507a and S507b.

If S507a, PRACH preamble are matched with the PRACH preamble sequence identifier in the first RAR, terminal Determining that terminal is properly received the RAR that sends to terminal of the network equipment, second indication information is used to indicate the first up-link carrier, and first RAR is identical as RAR.

S507b, otherwise, terminal determines that terminal is not successfully received the RAR that the network equipment is sent to terminal.

Illustratively, terminal after blind examination to DCI, is used to indicate the first uplink load if detecting from DCI in PDCCH The RA-RNTI of wave, at this point, in the sequence identifier and the first RAR of the PRACH preamble that terminal can send terminal PRACH preamble sequence identifier is matched, if successful match, shows that the RAR by the network equipment is that the terminal is sent out The RAR sent determines that terminal determines that terminal is properly received the RAR that the network equipment is sent to terminal；Otherwise, it determines the RAR is network Equipment is the RAR that other terminals are sent.

S508, terminal determine whether to be successfully accessed the network equipment according to RAR.

It should be noted that the description relevant to embodiment one of the present embodiment three can refer to the content in embodiment one, Which is not described herein again.

The embodiment of the present invention, the network equipment are detecting RA- by increasing RA-RNTI, terminal on DCI from DCI After RNTI, it can determine whether terminal is properly received RAR and whether is successfully accessed network according to the RA-RNTI and RAR and set It is standby, to realize that terminal accesses the correct network equipment in the case where a descending carrier is associated with multiple up-link carrier scenes.

Example IV:

Fig. 6 shows a kind of flow diagram of accidental access method provided by the invention.The present embodiment is mainly for end How end, which obtains DCI and receive the RAR process of scheduling, is extended, and believes specific to one second instruction is increased in RAR The mode blind examination DCI of breath.Specifically, as shown in fig. 6, this method comprises the following steps:

S601, terminal send PRACH preamble on the first up-link carrier.

S602, the network equipment determine the first up-link carrier for sending PRACH preamble according to PRACH preamble.

S603, the network equipment send DCI.

Corresponding, terminal receives DCI.

S604, terminal monitoring PDCCH.

S605, terminal receive the first RAR according to the DCI in PDCCH.

Wherein, the first RAR includes second indication information, and second indication information is used to indicate the first up-link carrier.

In a kind of example, since RAR is the message of a MAC layer, message header and message load inside the message, And have multiple subheader inside message header, therefore, which can carry the media access control in RAR In MAC message header, in MAC message load.In addition, the second indication information can also carry the ULgrant field in RAR In, due to having multiple domains inside the load of RAR message, which can also carry in the RAR message Anywhere, the application does not limit this load.

S606, terminal determine whether terminal is properly received the RAR that the network equipment is sent to terminal according to RAR.

Illustratively, S606 includes S606a and S606b.

If S606a, terminal detect second indication information in the first RAR, and in PRACH preamble and the first RAR The matching of PRACH preamble sequence identifier, then terminal determines that terminal is properly received the RAR that sends to terminal of the network equipment, Second indication information is used to indicate the first up-link carrier, and the first RAR is identical as RAR.

S606b, otherwise, terminal determines that terminal is not successfully received the RAR that the network equipment is sent to terminal.

Illustratively, terminal after blind examination to DCI, receives the first RAR according to DCI in PDCCH, if examining from the first RAR kind Second indication information is measured, at this point, the sequence identifier and the first RAR of the PRACH preamble that terminal can send terminal In PRACH preamble sequence identifier matched, if successful match, show that the RAR be the network equipment is the terminal Transmitted RAR determines that terminal determines that terminal is properly received the RAR that the network equipment is sent to terminal；Otherwise, it determines the RAR is The network equipment is the RAR that other terminals are sent.

S607, terminal determine whether to be successfully accessed the network equipment according to RAR.

It should be noted that the description relevant to embodiment one of the present embodiment four can refer to the content in embodiment one, Which is not described herein again.

The embodiment of the present invention, the network equipment are being detected from RAR by increasing second indication information, terminal in RAR After second indication information, can be determined according to the second indication information and RAR terminal whether be properly received RAR and whether It is successfully accessed the network equipment, to realize that terminal accesses correct net in the case where a descending carrier is associated with multiple up-link carrier scenes Network equipment.The random access of multiple up-link carriers can be responded due to only needing to dispatch a RAR, compares other modes net Network can greatly save control channel (public search space) resource overhead, improve resource utilization ratio.

Embodiment five:

As shown in fig. 7, the embodiment of the present invention provides a kind of network equipment, the network equipment 80 include: receiving module 801, Determining module 802 and sending module 803.Wherein, receiving module 801, for receiving the Physical Random Access Channel of terminal transmission PRACH is leading；Determining module 802, for leading according to the received PRACH of receiving module 801, determining transmission PRACH is leading First up-link carrier；Wherein, the network equipment indicates that at least two up-link carriers, the first up-link carrier are at least two uplinks load One in wave；Sending module 803, for being carried in first downlink corresponding with the first determining up-link carrier of determining module 802 Random access response RAR is sent on wave；Wherein, RAR is used to indicate whether terminal is successfully accessed the network equipment.

Optionally, sending module 803 are also used to send the configuration information of at least two up-link carriers to terminal；Wherein, one The configuration information of a up-link carrier be used to indicate PRACH resource on a up-link carrier and a up-link carrier and PRACH preamble set.

Optionally, PRACH it is leading be at least two up-link carriers configuration information instruction PRACH preamble set one It is a.

Optionally, sending module 803 are also used to indicate that the first up-link carrier and PRACH are leading to terminal.

Optionally, sending module 803 are also used to send down control channel PDCCH order to terminal；Wherein, PDCCH Order carries the first instruction information and PRACH preamble index, and the first instruction information is used to indicate the first up-link carrier, before PRACH Dragline, which is incorporated in, indicates that PRACH is leading, and PDCCH order is used to indicate terminal and sends in the PRACH resource of the first up-link carrier PRACH is leading.

Optionally, sending module 803 are also used to send switch indicating information to terminal；Wherein, which uses It is switched to second community from the first community that the network equipment provides service in instruction terminal, and indicates the terminal on first The PRACH resource transmission PRACH of row carrier wave is leading, which is the up-link carrier of the second community.

Optionally, sending module 803 are also used to send Downlink Control Information DCI；Wherein, the second instruction letter is carried on DCI Breath, second indication information are used to indicate the first up-link carrier, and the first up-link carrier determines whether to be successfully accessed network for terminal Equipment.

Optionally, as shown in figure 8, the network equipment 80, further includes scrambling module 804.Wherein, scrambling module 804 are used for Before sending module 803 sends DCI, according to RA-RNTI pairs of the random access radio network temporary identifier of the first up-link carrier DCI scrambling, RA-RNTI are used to indicate the first up-link carrier；Sending module 803, after being also used to send the scrambling of scrambling module 804 DCI.

Optionally, the RA-RNTI of the first up-link carrier is that the network equipment is determined based on the configuration information of the first up-link carrier 's；Wherein, the configuration information of the first up-link carrier includes the mark of the first up-link carrier, PRACH resource in the first up-link carrier Frequency domain mark and when at least one of domain identifier.

Optionally, RAR includes second indication information；Wherein, which is used to indicate the first up-link carrier, the One up-link carrier determines whether to be successfully accessed the network equipment for terminal.

Optionally, second indication information carry in media access control MAC message header in RAR, MAC message load In or up-link carrier authorization field in.

In the embodiment of the present invention terminal to the network equipment send PRACH it is leading after, before the network equipment can be according to the PRACH It leads, determines and send the first leading up-link carrier of the PRACH, which indicates at least two up-link carriers, the first uplink Carrier wave is one at least two up-link carriers, and then, the network equipment is in the first downlink corresponding with first up-link carrier RAR is sent on carrier wave, so that terminal can be received successfully from corresponding first descending carrier of first up-link carrier The network equipment is the RAR of terminal feedback, to realize terminal in the case where a descending carrier is associated with the scene of multiple up-link carriers Access the correct network equipment.

Embodiment six:

As shown in figure 9, the embodiment of the present invention provides a kind of terminal, which includes sending module 101, receiving module 102 and determining module 103.Sending module 101, it is leading for sending PRACH on the first up-link carrier；Wherein, this is on first Row carrier wave is one at least two up-link carriers, which indicates at least two up-link carriers, the first up-link carrier For one at least two up-link carriers；Receiving module 102, in corresponding first descending carrier of the first up-link carrier Upper reception and the random access response RAR for demodulating network equipment transmission；Wherein, RAR is used to indicate whether terminal is successfully accessed net Network equipment；Determining module 103, the RAR for receiving and modulating according to receiving module 102 determine whether terminal is successfully accessed institute State the network equipment.

Optionally, receiving module 102, be also used to send on the first up-link carrier in sending module 101 PRACH it is leading it Before, receive the configuration information at least two up-link carriers that the network equipment is sent；Wherein, the configuration information of a up-link carrier It is used to indicate a up-link carrier and PRACH resource and PRACH preamble set on a up-link carrier.

Optionally, sending module 101 are also used to the transmission network equipment on the first up-link carrier that the network equipment indicates and refer to The PRACH shown is leading.

Optionally, receiving module 102 are also used in sending module 101 on the first up-link carrier that the network equipment indicates Before the PRACH of transmission network equipment instruction is leading, the down control channel PDCCH order that the network equipment is sent is received；Its In, PDCCH order carries the first instruction information and PRACH preamble index, and the first instruction information is used to indicate the first uplink load Wave, PRACH preamble index are used to indicate that PRACH is leading, and PDCCH order is used to indicate terminal in the first up-link carrier It is leading that PRACH resource sends PRACH.

Optionally, receiving module 102 are also used to receive the switch indicating information of network equipment transmission；Wherein, which refers to Show that message is used to indicate terminal and is switched to second community and instruction terminal exists from the first community that the network equipment provides service The PRACH resource transmission PRACH of first up-link carrier is leading, and the first up-link carrier is the up-link carrier of second community；Send mould Block is also used to switch to second community from first community according to the received switching command of receiving module, and in the first up-link carrier PRACH resource on send PRACH it is leading.

Optionally, receiving module 102 are also used to monitor PDCCH；The first RAR is received according to the DCI in PDCCH；It determines Module 103, if being also used to terminal 100 detects second indication information in the DCI in PDCCH, and PRACH is leading with first PRACH leader sequence in RAR identifies matching, it is determined that terminal 100 is properly received RAR, and second indication information is used to indicate the One up-link carrier, the first RAR is identical as RAR, otherwise, it determines terminal 100 is not successfully received RAR；Wherein, second indication information The up-link carrier of instruction is that terminal sends the first leading up-link carrier of PRACH.

Optionally, receiving module 102 are also used to the random access radio network temporary identifier according to the first up-link carrier RA-RNTI monitors PDCCH；The first RAR is received according to the DCI in PDCCH；Determining module 103 exists if being also used to terminal 100 RA-RNTI is detected in DCI in PDCCH, and the leading PRACH leader sequence mark with the first RAR of PRACH matches, then Determine that terminal 100 is properly received RAR, second indication information is used to indicate the first up-link carrier, and the first RAR is identical as RAR, no Then, determine that terminal 100 is not successfully received RAR；Wherein, the up-link carrier of RA-RNTI instruction is that the transmission of terminal 100 PRACH is leading The first up-link carrier.

Optionally, the RA-RNTI of the first up-link carrier is that terminal 100 is determined according to the configuration information of the first up-link carrier 's；Wherein, the configuration information of the first up-link carrier includes the mark of the first up-link carrier, PRACH resource in the first up-link carrier Frequency domain mark and when at least one of domain identifier.

Optionally, receiving module 102 are also used to the reception network on corresponding first descending carrier of the first up-link carrier and set Before the random access response RAR that preparation is sent, PDCCH is monitored；The first RAR is received according to the DCI in PDCCH；Determining module 103, if be also used to terminal 100 detects second indication information in the first RAR, and PRACH it is leading in the first RAR PRACH leader sequence mark matching, it is determined that terminal 100 is properly received RAR, and second indication information is used to indicate the first uplink Carrier wave, the first RAR are identical as RAR；Otherwise, it determines terminal 100 is not successfully received RAR；Wherein, second indication information indicates Up-link carrier is that terminal 100 sends the first leading up-link carrier of PRACH.

Optionally, determining module 103 are also used to if it is determined that terminal 100 is properly received RAR, and terminal 100 is set in network It is leading that PRACH indicated by the network equipment is sent on standby the first indicated up-link carrier, it is determined that 100 random access of terminal Process success.

Embodiment seven:

A kind of hardware structural diagram of Figure 10 network equipment of each embodiment to realize the present invention, the network equipment 1100 include: processor 1101, transceiver 1102, memory 1103, user interface 1104 and bus interface.

Wherein, transceiver 1102, the Physical Random Access Channel PRACH for receiving terminal transmission are leading；

Processor 1101, it is determining to send PRACH leading first for leading according to the received PRACH of transceiver 1102 Up-link carrier；Wherein, the network equipment indicates that at least two up-link carriers, the first up-link carrier are at least two up-link carriers One；

Transceiver 1102 is also used on first descending carrier corresponding with the first determining up-link carrier of processor 1101 Send random access response RAR；Wherein, RAR is used to indicate whether terminal is successfully accessed the network equipment.

In the embodiment of the present invention, in Figure 10, bus architecture may include the bus and bridge of any number of interconnection, specifically The various circuits for the memory that the one or more processors and memory 1103 represented by processor 1101 represent are linked at one It rises.Bus architecture can also link various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like Together, these are all it is known in the art, and therefore, it will not be further described herein.Bus interface offer connects Mouthful.Transceiver 1102 can be multiple element, that is, include transmitter and receiver, provide for over a transmission medium with it is various The unit of other devices communication.For different user equipmenies, user interface 1104 can also be can it is external it is inscribed needs set Standby interface, the equipment of connection include but is not limited to keypad, display, loudspeaker, microphone, control stick etc..Processor 1101 are responsible for management bus architecture and common processing, and memory 1103 can store processor 1101 and execute operation when institute The data used.

In addition, the network equipment 1100 further includes some unshowned functional modules, details are not described herein.

Embodiment eight:

A kind of hardware structural diagram of Figure 11 terminal of each embodiment to realize the present invention, the terminal 120 include but Be not limited to: radio frequency unit 121, network module 122, audio output unit 123, input unit 124, sensor 125, display are single The components such as member 126, user input unit 127, interface unit 128, memory 129, processor 1210 and power supply 1211.This Field technical staff is appreciated that the restriction of the not structure paired terminal of terminal structure shown in Fig. 1, and terminal may include ratio More or fewer components are illustrated, certain components or different component layouts are perhaps combined.In embodiments of the present invention, eventually End includes but is not limited to mobile phone, tablet computer, laptop, palm PC, car-mounted terminal, wearable device and step counting Device etc..

Wherein, radio frequency unit 121, it is leading for sending PRACH on the first up-link carrier；Wherein, which carries Wave is one at least two up-link carriers, which indicates that at least two up-link carriers, the first up-link carrier are extremely One in few two up-link carriers；It is received on corresponding first descending carrier of the first up-link carrier and demodulates the network equipment The random access response RAR of transmission；Wherein, RAR is used to indicate whether terminal is successfully accessed the network equipment；Processor 1210 is used It determines whether terminal is properly received RAR in the RAR for receiving and modulating according to radio frequency unit 121, and whether is successfully accessed network Equipment.

In the embodiment of the present invention terminal to the network equipment send PRACH it is leading after, can it is leading according to the PRACH, determine hair The first up-link carrier that the PRACH is leading is given, which indicates that at least two up-link carriers, the first up-link carrier are extremely One in few two up-link carriers, then, the network equipment is sent out on the first descending carrier corresponding with first up-link carrier RAR is sent, so that terminal successfully can receive the network equipment from corresponding first descending carrier of first up-link carrier It is correct with the access for realizing that terminal is associated under the scene of multiple up-link carriers in a descending carrier for the RAR of terminal feedback The network equipment.

It should be understood that the embodiment of the present invention in, radio frequency unit 121 can be used for receiving and sending messages or communication process in, signal Send and receive, specifically, by from base station downlink data receive after, to processor 1210 handle；In addition, by uplink Data be sent to base station.In general, radio frequency unit 121 includes but is not limited to antenna, at least one amplifier, transceiver, coupling Clutch, low-noise amplifier, duplexer etc..In addition, radio frequency unit 121 can also by wireless communication system and network and its He communicates equipment.

Terminal provides wireless broadband internet by network module 122 for user and accesses, and such as user is helped to receive and dispatch electricity Sub- mail, browsing webpage and access streaming video etc..

Audio output unit 123 can be received by radio frequency unit 121 or network module 122 or in memory 129 The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 123 can also provide with The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 120 executes. Audio output unit 123 includes loudspeaker, buzzer and receiver etc..

Input unit 124 is for receiving audio or video signal.Input unit 124 may include graphics processor (Graphics Processing Unit, GPU) 1241 and microphone 1242, graphics processor 1241 is in video acquisition mode Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out Reason.Treated, and picture frame may be displayed on display unit 126.It can be with through treated the picture frame of graphics processor 1241 It is stored in memory 129 (or other storage mediums) or is sent via radio frequency unit 121 or network module 122.Wheat Gram wind 1242 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be with The format output that mobile communication base station can be sent to via radio frequency unit 121 is converted in the case where telephone calling model.

Terminal 120 further includes at least one sensor 125, such as optical sensor, motion sensor and other sensors. Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light Light and shade adjust the brightness of display panel 1261, proximity sensor can close display surface when terminal 120 is moved in one's ear Plate 1261 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect (generally three in all directions Axis) acceleration size, can detect that size and the direction of gravity when static, can be used to identify terminal posture (such as horizontal/vertical screen Switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Sensor 125 Can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, Thermometer, infrared sensor etc., details are not described herein.

Display unit 126 is for showing information input by user or being supplied to the information of user.Display unit 126 can wrap Display panel 1261 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1261.

User input unit 127 can be used for receiving the number or character information of input, and generates and set with the user of terminal It sets and the related key signals of function control inputs.Specifically, user input unit 127 include touch panel 1271 and its His input equipment 1272.Touch panel 1271, also referred to as touch screen collect the touch operation (ratio of user on it or nearby Such as user is attached on touch panel 1271 or in touch panel 1271 using finger, stylus any suitable object or attachment Close operation).Touch panel 1271 may include both touch detecting apparatus and touch controller.Wherein, touch detection fills The touch orientation of detection user is set, and detects touch operation bring signal, transmits a signal to touch controller；Touch control Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 1210, receives Order that processor 1210 is sent simultaneously is executed.Furthermore, it is possible to using resistance-type, condenser type, infrared ray and surface acoustic wave Equal multiple types realize touch panel 1271.In addition to touch panel 1271, user input unit 127 can also include that other are defeated Enter equipment 1272.Specifically, other input equipments 1272 can include but is not limited to physical keyboard, function key (such as volume control Key processed, switch key etc.), trace ball, mouse, operating stick, details are not described herein.

Further, touch panel 1271 can be covered on display panel 1261, when touch panel 1271 is detected at it On or near touch operation after, send processor 1210 to determine the type of touch event, be followed by subsequent processing 1210 basis of device The type of touch event provides corresponding visual output on display panel 1261.Although in Figure 11, touch panel 1271 with Display panel 1261 is the function that outputs and inputs of realizing terminal as two independent components, but in some embodiments In, touch panel 1271 and display panel 1261 can be integrated and be realized the function that outputs and inputs of terminal, specifically herein not It limits.

Interface unit 128 is the interface that external device (ED) is connect with terminal 120.For example, external device (ED) may include it is wired or Wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, memory card port, For connecting port, the port audio input/output (I/O), video i/o port, ear port of the device with identification module Etc..Interface unit 128 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and will One or more elements that the input received is transferred in terminal 120 or can be used for terminal 120 and external device (ED) it Between transmit data.

Memory 129 can be used for storing software program and various data.Memory 129 can mainly include storing program area The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as Audio data, phone directory etc.) etc..In addition, memory 129 may include high-speed random access memory, it can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.

Processor 1210 is the control centre of terminal, using the various pieces of various interfaces and the entire terminal of connection, By running or execute the software program and/or module that are stored in memory 129, and calls and be stored in memory 129 Data, execute terminal various functions and processing data, thus to terminal carry out integral monitoring.Processor 1210 may include One or more processing units；Preferably, processor 1210 can integrate application processor and modem processor, wherein answer With the main processing operation system of processor, user interface and application program etc., modem processor mainly handles channel radio Letter.It is understood that above-mentioned modem processor can not also be integrated into processor 1210.

Terminal 120 can also include the power supply 1211 (such as battery) powered to all parts, it is preferred that power supply 1211 can With logically contiguous by power-supply management system and processor 1210, to realize management charging by power-supply management system, put The functions such as electricity and power managed.

In addition, terminal 120 includes some unshowned functional modules, details are not described herein.

Embodiment nine:

Optionally, the embodiment of the present invention also provides a kind of network equipment 100, including processor 1101, and memory 1003 is deposited The computer program that can be run on memory 1003 and on processor 1101 is stored up, the computer program is by processor 1101 Each process of the accidental access method in above-described embodiment one is realized when execution, and can reach identical technical effect, to keep away Exempt to repeat, which is not described herein again.

Optionally, the embodiment of the present invention also provides a kind of terminal, including processor 1210, and memory 129 is stored in storage On device 129 and the computer program that can run on processor 1210, the computer program are realized when being executed by processor 1210 Each process of accidental access method in above-described embodiment one, and identical technical effect can be reached, to avoid repeating, this In repeat no more.

The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium Calculation machine program, the computer program realize each process of the accidental access method in above-described embodiment when being executed by processor, And identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, computer readable storage medium, such as Read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, letter Claim RAM), magnetic or disk etc..

The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium Calculation machine program, the computer program realize each process of above-mentioned accidental access method embodiment, and energy when being executed by processor Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, computer readable storage medium, as ROM, RAM, magnetic or disk etc..

It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and It and further include other elements that are not explicitly listed, or further include solid by this process, method, article or device Some elements.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that wrapping Include in process, method, article or the device of the element that there is also other identical elements.

Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.

The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, the ordinary skill people of this field Member under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, can also make very It is multi-form, it belongs within protection of the invention.

Claims

1. a kind of accidental access method, which is characterized in that the described method includes:

The network equipment is leading according to the PRACH, determines and sends the first leading up-link carrier of the PRACH；Wherein, institute It states the network equipment and indicates that at least two up-link carriers, first up-link carrier are one at least two up-link carrier It is a；

The network equipment sends random access response RAR on the first descending carrier corresponding with first up-link carrier； Wherein, the RAR is used to indicate whether the terminal is successfully accessed the network equipment.

2. the method according to claim 1, wherein the PRACH that the network equipment receives terminal transmission is leading Before, further includes:

The network equipment sends the configuration information of at least two up-link carrier to the terminal；

Wherein, the configuration information of a up-link carrier is used to indicate one up-link carrier and one up-link carrier On PRACH resource and PRACH preamble set.

3. according to the method described in claim 2, it is characterized in that, the PRACH it is leading be at least two up-link carrier One of PRACH preamble set of configuration information instruction.

4. the method according to claim 1, wherein the PRACH that the network equipment receives terminal transmission is leading Before, further includes:

The network equipment indicates that first up-link carrier and the PRACH are leading to the terminal.

5. the method according to claim 1, wherein the PRACH that the network equipment receives terminal transmission is leading Before, method further include:

The network equipment sends down control channel PDCCH order to the terminal；

Wherein, the PDCCH order carries the first instruction information and PRACH preamble index, and the first instruction information is for referring to Show first up-link carrier, the PRACH preamble index is used to indicate that the PRACH is leading, and the PDCCH order is for referring to Show that the terminal is leading in the PRACH resource transmission PRACH of first up-link carrier.

6. the method according to claim 1, wherein the PRACH that the network equipment receives terminal transmission is leading Before, the method also includes:

The network equipment sends switch indicating information to the terminal；Wherein, the switch indicating information is used to indicate described Terminal is switched to second community, and the instruction terminal described first from the first community that the network equipment provides service The PRACH resource transmission PRACH of up-link carrier is leading, and first up-link carrier is that the uplink of the second community carries Wave.

7. determining hair the method according to claim 1, wherein the network equipment is leading according to the PRACH After the first up-link carrier for sending the PRACH leading, further includes:

The network equipment sends Downlink Control Information DCI；Wherein, second indication information is carried on the DCI, described second refers to Show that information is used to indicate first up-link carrier, first up-link carrier determines whether to be successfully accessed institute for the terminal State the network equipment.

8. the method according to claim 1, wherein the method is also wrapped before the network equipment sends DCI It includes:

The network equipment adds DCI according to the random access radio network temporary identifier RA-RNTI of first up-link carrier It disturbs, the RA-RNTI is used to indicate first up-link carrier；

The network equipment sends the DCI after scrambling.

9. according to the method described in claim 8, it is characterized in that, the RA-RNTI of first up-link carrier is the network Equipment is determined based on the configuration information of first up-link carrier；Wherein, the configuration information of first up-link carrier includes In the mark of first up-link carrier, first up-link carrier PRACH resource frequency domain mark and when domain identifier in extremely It is one few.

10. the method according to claim 1, wherein the RAR includes second indication information；Wherein, described Two instruction information are used to indicate first up-link carrier, and first up-link carrier determines whether successfully to connect for the terminal Enter the network equipment.

11. according to the method described in claim 10, it is characterized in that, the second indication information carries in the RAR In media access control MAC message header, in MAC message load or in up-link carrier authorization field.

12. a kind of accidental access method, which is characterized in that the described method includes:

It is leading that terminal sends PRACH on the first up-link carrier；Wherein, first up-link carrier is at least two up-link carriers In one, the network equipment indicates that at least two up-link carriers, first up-link carrier are at least two uplink One in carrier wave；

The terminal receives on corresponding first descending carrier of first up-link carrier and demodulates the network equipment and sends Random access response RAR；Wherein, the RAR is used to indicate whether the terminal is successfully accessed the network equipment；

The terminal determines whether the terminal is successfully accessed the network equipment according to the RAR.

13. according to the method for claim 12, which is characterized in that the terminal sends PRACH on the first up-link carrier Before leading, further includes:

The terminal receives the configuration information at least two up-link carrier that the network equipment is sent；

14. according to the method for claim 13, which is characterized in that the terminal receives the described of the network equipment transmission After the configuration information of at least two up-link carriers, further includes:

The terminal selects first up-link carrier from least two up-link carrier, and from first up-link carrier PRACH preamble set select the PRACH leading.

15. according to the method for claim 12, which is characterized in that the PRACH leading is that at least two uplink carries One of the PRACH preamble set of the configuration information instruction of wave.

16. according to the method for claim 12, which is characterized in that the terminal sends PRACH on the first up-link carrier It is leading, comprising:

The terminal sends the PRACH of the network equipment instruction on the first up-link carrier that the network equipment indicates It is leading.

17. according to the method for claim 16, which is characterized in that the terminal is on first that the network equipment indicates Sent on row carrier wave network equipment instruction the PRACH it is leading before, the method also includes:

The terminal receives the down control channel PDCCH order that the network equipment is sent；

18. according to the method for claim 12, which is characterized in that the method also includes:

The terminal receives the switch indicating information that the network equipment is sent；Wherein, the switch indicating information is used to indicate The terminal is switched to second community, and the instruction terminal described from the first community that the network equipment provides service The PRACH resource transmission PRACH of first up-link carrier is leading, and first up-link carrier is the uplink of the second community Carrier wave；

The terminal switches to second community from first community according to the switching command, and in first up-link carrier It is leading that the PRACH is sent in PRACH resource.

19. according to the method for claim 12, which is characterized in that the method also includes:

The terminal determines whether the terminal is properly received what the network equipment was sent to the terminal according to the RAR RAR。

20. according to the method for claim 19, which is characterized in that the terminal is in first up-link carrier corresponding the The random access response RAR that the network equipment is sent is received on one descending carrier, comprising:

The terminal monitoring PDCCH；

The terminal receives the RAR according to the DCI in the PDCCH；

The terminal determines whether the terminal is properly received what the network equipment was sent to the terminal according to the RAR RAR, comprising:

If the terminal detects second indication information in the DCI or the RAR in the PDCCH, and the PRACH is leading It is matched with the PRACH leader sequence mark in the first RAR, then the terminal determines that the terminal is properly received the network The RAR that equipment is sent to the terminal, the second indication information are used to indicate first up-link carrier, the first RAR Identical as the RAR, otherwise, the terminal determines that the terminal is not successfully received what the network equipment was sent to the terminal RAR；Wherein, the up-link carrier of the second indication information instruction is that the terminal sends the first leading uplink of the PRACH Carrier wave.

21. according to the method for claim 19, which is characterized in that the terminal determines that the terminal is according to the RAR It is no to be successfully accessed the network equipment, comprising:

The terminal monitors PDCCH according to the random access radio network temporary identifier RA-RNTI of first up-link carrier；

If the terminal detects DCI according to RA-RNTI from PDCCH, the first RAR is received according to the DCI；

The terminal determines whether the terminal is properly received what the network equipment was sent to the terminal according to the RAR RAR, including；

If the leading PRACH leader sequence with the first RAR of the PRACH identifies whether identical, the terminal determination The terminal is properly received the RAR that the network equipment is sent to the terminal, and the second indication information is used to indicate described First up-link carrier, the first RAR is identical as the RAR, and otherwise, it is described that the terminal determines that the terminal is not successfully received The RAR that the network equipment is sent to the terminal；Wherein, the up-link carrier of the RA-RNTI instruction is described in the terminal is sent The first PRACH leading up-link carrier.

22. according to the method for claim 20, which is characterized in that the RA-RNTI of first up-link carrier is the end End is determined according to the configuration information of first up-link carrier；Wherein, the configuration information of first up-link carrier includes institute State the mark of the first up-link carrier, in first up-link carrier frequency domain mark of PRACH resource and when domain identifier at least One.

23. according to the method for claim 22, which is characterized in that the second indication information carries in the RAR In media access control MAC message header, in MAC message load or in up-link carrier authorization field.

24. 2 to 23 described in any item methods according to claim 1, which is characterized in that the terminal is determined according to the RAR Whether the terminal is successfully accessed the network equipment, comprising:

If the terminal determines the terminal and is properly received the RAR, and the terminal is indicated by the network equipment It is leading that the PRACH indicated by the network equipment is sent on first up-link carrier, then the terminal determine the terminal with The success of machine access procedure.

25. a kind of network equipment characterized by comprising

Determining module, for leading according to the received PRACH of the receiving module, the determining transmission PRACH is leading First up-link carrier；Wherein, the network equipment indicates at least two up-link carriers, first up-link carrier be it is described at least One in two up-link carriers；

Sending module, for being sent out on the first descending carrier corresponding with determining first up-link carrier of the determining module Send random access response RAR；Wherein, the RAR is used to indicate whether the terminal is successfully accessed the network equipment.

26. the network equipment according to claim 25, which is characterized in that

The sending module, is also used to:

The configuration information of at least two up-link carrier is sent to the terminal；

27. the network equipment according to claim 26, which is characterized in that the PRACH leading is on described at least two One of the PRACH preamble set of the configuration information instruction of row carrier wave.

28. the network equipment according to claim 25, which is characterized in that

The sending module is also used to indicate that first up-link carrier and the PRACH are leading to the terminal.

29. the network equipment according to claim 28, which is characterized in that

The sending module is also used to send down control channel PDCCH order to the terminal；

30. the network equipment according to claim 25, which is characterized in that

The sending module is also used to send switch indicating information to the terminal；Wherein, the switch indicating information is for referring to Show that the terminal is switched to second community, and the instruction terminal in institute from the first community that the network equipment provides service The PRACH resource transmission PRACH for stating the first up-link carrier is leading, and first up-link carrier is the upper of the second community Row carrier wave.

31. the network equipment according to claim 25, which is characterized in that

The sending module is also used to send Downlink Control Information DCI；Wherein, second indication information is carried on the DCI, institute It states second indication information and is used to indicate first up-link carrier, first up-link carrier determines whether into for the terminal Function accesses the network equipment.

32. the network equipment according to claim 25, which is characterized in that the terminal further include: scrambling module, in which:

The scrambling module, for RA-RNTI pairs of the random access radio network temporary identifier according to first up-link carrier DCI scrambling, the RA-RNTI are used to indicate first up-link carrier；

The sending module, the DCI after being also used to send the scrambling module scrambling.

33. the network equipment according to claim 32, which is characterized in that the RA-RNTI of first up-link carrier is institute State what the network equipment was determined based on the configuration information of first up-link carrier；Wherein, first up-link carrier match confidence Breath include the mark of first up-link carrier, in first up-link carrier frequency domain mark of PRACH resource and when domain identifier At least one of.

34. the network equipment according to claim 25, which is characterized in that the RAR includes second indication information；Wherein, The second indication information is used to indicate first up-link carrier, and first up-link carrier determines whether for the terminal It is successfully accessed the network equipment.

35. the network equipment according to claim 34, which is characterized in that the second indication information is carried in the RAR In media access control MAC message header in, in MAC message load or in up-link carrier authorization field.

36. a kind of terminal characterized by comprising

Sending module, it is leading for sending PRACH on the first up-link carrier；Wherein, first up-link carrier is at least two One in a up-link carrier, the network equipment indicates at least two up-link carriers, first up-link carrier be it is described extremely One in few two up-link carriers；

Receiving module, for being received on corresponding first descending carrier of first up-link carrier and demodulating the network equipment The random access response RAR of transmission；Wherein, the RAR is used to indicate whether the terminal is successfully accessed the network equipment；

Determining module, the RAR for receiving and modulating according to the receiving module determine whether the terminal is successfully accessed The network equipment.

37. terminal according to claim 36, which is characterized in that

The receiving module is also used to receive the configuration information at least two up-link carrier that the network equipment is sent；

38. terminal according to claim 36, which is characterized in that

The determining module is also used to select first up-link carrier from least two up-link carrier, and from described The PRACH preamble set of first up-link carrier selects the PRACH leading.

39. terminal according to claim 36, which is characterized in that the PRACH leading is that at least two uplink carries One of the PRACH preamble set of the configuration information instruction of wave.

40. terminal according to claim 36, which is characterized in that

The sending module is also used to send the network equipment instruction on the first up-link carrier that the network equipment indicates The PRACH it is leading.

41. terminal according to claim 40, which is characterized in that

The receiving module is also used to receive the down control channel PDCCH order that the network equipment is sent；

42. terminal according to claim 36, which is characterized in that

The receiving module is also used to receive the switch indicating information that the network equipment is sent；Wherein, the switching instruction disappears Breath is used to indicate the terminal and is switched to second community from the first community that the network equipment provides service, and described in instruction Terminal is leading in the PRACH resource transmission PRACH of first up-link carrier, and first up-link carrier is described second The up-link carrier of cell；

The sending module is also used to switch to second from first community according to the received switching command of the receiving module Cell, and it is leading in the PRACH resource of first up-link carrier to send the PRACH.

43. terminal according to claim 36, which is characterized in that

The determining module, is also used to determine whether the terminal is properly received the network equipment to described according to the RAR The RAR that terminal is sent.

44. terminal according to claim 36, which is characterized in that

The receiving module is also used to monitor PDCCH；The RAR is received according to the DCI in the PDCCH；

The determining module, if being also used to terminal detects second indication information in the DCI or the RAR in the PDCCH, And the leading PRACH leader sequence mark with the first RAR of PRACH matches, it is determined that the terminal is properly received The RAR that the network equipment is sent to the terminal, the second indication information is used to indicate first up-link carrier, described First RAR is identical as the RAR, otherwise, it determines the terminal is not successfully received what the network equipment was sent to the terminal RAR；Wherein, the up-link carrier of the second indication information instruction is that the terminal sends the first leading uplink of the PRACH Carrier wave.

45. terminal according to claim 36, which is characterized in that

The receiving module, specifically for the random access radio network temporary identifier RA- according to first up-link carrier RNTI monitors PDCCH, if the terminal detects DCI according to RA-RNTI from PDCCH, receives first according to the DCI RAR；

The determining module, if be also used to the terminal detects RA-RNTI in the DCI in the PDCCH, and described The leading PRACH leader sequence mark with the first RAR of PRACH matches, it is determined that described in the terminal is properly received RAR, the second indication information are used to indicate first up-link carrier, and the first RAR is identical as the RAR, otherwise, really The fixed terminal is not successfully received the RAR；Wherein, the up-link carrier of the RA-RNTI instruction is described in the terminal is sent The first PRACH leading up-link carrier.

46. terminal according to claim 44, which is characterized in that the RA-RNTI of first up-link carrier is the end End is determined according to the configuration information of first up-link carrier；Wherein, the configuration information of first up-link carrier includes institute State the mark of the first up-link carrier, in first up-link carrier frequency domain mark of PRACH resource and when domain identifier at least One.

47. terminal according to claim 46, which is characterized in that the second indication information carries in the RAR In media access control MAC message header, in MAC message load or in up-link carrier authorization field.

48. according to the described in any item terminals of claim 36 to 47, which is characterized in that

The determining module, if being also used to the terminal determines that the terminal is properly received the RAR, and the terminal is in institute State that the PRACH indicated by the network equipment is sent on the first up-link carrier indicated by the network equipment is leading, it is determined that The terminal random access procedure success.

49. a kind of network equipment, which is characterized in that including processor, memory and be stored on the memory and can be in institute State the computer program run on processor, when the computer program is executed by the processor realize as claim 1 to The step of accidental access method described in any one of 11.

50. a kind of terminal, which is characterized in that including processor, memory and be stored on the memory and can be at the place The computer program run on reason device is realized when the computer program is executed by the processor as in claim 12 to 24 The step of described in any item accidental access methods.

51. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium Sequence realizes the accidental access method as described in any one of claim 1 to 24 when the computer program is executed by processor The step of.