CN109963283A - A kind of implementation method of LTE cell - Google Patents

Abstract

This application discloses a kind of implementation methods of LTE cell, comprising: special FDD cell is decomposed into a main plot and at least one secondary cell；Configured with a pair of FDD carrier wave and at least one upstream auxiliary carriers, main plot is made of the cell the pair of FDD carrier wave；The up-link carrier of each secondary cell is a upstream auxiliary carriers of the FDD cell, and descending carrier is the descending carrier in a pair of FDD carrier wave；When OMC or LMT configures the FDD cell, main plot and secondary cell are correspondingly configured in configuration message；When eNodeB receives Cell Configuration message and knows that cell is special FDD cell, corresponding main plot and secondary cell are established in L3, L2 and L1 module respectively, the main plot that each module is established is associated with the secondary cell of same module, the main plot that L3 module is established is associated with the main plot of L2 and L1 module respectively, by the secondary cell of the L3 module respective secondary cell association with L2 module and L1 module respectively.The present invention is suitable for the scene that intra-cell uplink bandwidth demand is greater than downlink.

Description

A kind of implementation method of LTE cell

Technical field

The present invention relates to mobile communication technologies, more particularly to a kind of implementation method of LTE cell.

Background technique

Currently, frequency division duplex (FDD) cell of LTE has in third generation partnership project (3GPP) agreement of wireless interface There is a pair of of carrier wave: up-link carrier and descending carrier, descending carrier therein sends primary synchronization signal (PSS), secondary synchronization signal (SSS) and Physical Broadcast Channel (PBCH).User equipment (UE) knows FDD by the PSS and SSS of detection descending carrier carrying The physical-layer cell identifier (ID) of cell, the duplex mode of cell and the wireless frame timing and subframe timing of cell.Later, UE The low sum-bit cell downlink transmitting terminal of radio frames frame number in FDD cell can be determined by the PBCH of detection descending carrier carrying Mouth number, can be obtained by the Master Information Block (MIB) carried on PBCH: the downlink bandwidth of FDD cell, physics HARQ (mixing Automatic repeat request) instruction channel (PHICH) group number and FDD cell radio frames frame number most-significant byte.

UE is after getting above- mentioned information, so that it may receive Physical Control Format Indicator Channel in each downlink subframe (PCFICH), the length of current subframe control area is determined according to the control format instruction (CFI) carried on PCFICH.Later, UE can detect PDCCH in current subframe control area in the corresponding search space of Physical Downlink Control Channel (PDCCH)；UE By system information-radio network temporary identifier (SI-RNTI) the scrambled PDCCH detected, the scheduling of system information is obtained Information receives corresponding PDSCH according to scheduling information, can be with capture systems block of information (SIB) 1 and other each SIB, from this All configuration informations of FDD cell can be obtained on a little SIB；UE is by detecting paging-radio network temporary identifier (P- RNTI) scrambled PDCCH can obtain the scheduling information of paging information, and receiving corresponding PDSCH according to scheduling information can catch Obtain paging information；UE in wireless connection conditions (RRC_CONNECTED) passes through detection cell-radio network temporary identifier (C-RNTI) scrambled PDCCH can obtain upstream or downstream dynamic scheduling information；By detecting semi-persistent scheduling-wireless network Network temporary identifier (SPS C-RNTI) scrambled PDCCH can obtain upstream or downstream semi-persistent scheduling information；UE passes through detection The other kinds of scrambled PDCCH of RNTI, can also obtain other kinds of information, such as: it sends in the random access procedure After Physical Random Access Channel (PRACH), UE by detection random access-radio network temporary identifier (RA-RNTI) plus The PDCCH disturbed can obtain the scheduling information of random access response (RAR)；Pass through multimedia broadcast multi-broadcasting business single-frequency receiving When multimedia broadcast multi-broadcasting business (MBMS) that network (MBSFN) mode is sent, UE passes through detection multimedia broadcast multi-broadcasting business- Radio network temporary identifier (M-RNTI) scrambled Physical Downlink Control Channel (PDCCH) can obtain multicast control channel (MCCH) notice of change；When receiving the MBMS business sent by single point-to-multipoint (SC-PTM) mode of cell-, UE passes through inspection Single cell-multicast control channel (SC- can be obtained by surveying list cell-radio network temporary identifier (SC-RNTI) scrambled PDCCH MCCH) notice of change.

UE in RRC_CONNECTED is after detecting the scrambled PDCCH of C-RNTI, according to what is carried on PDCCH Specific dynamic scheduling information can execute corresponding processing: when carrying uplink dynamic scheduling information on PDCCH, UE is according to the tune It spends information and sends Physical Uplink Shared Channel (PUSCH), and receive base station according to the sequential relationship between PUSCH and PHICH (eNodeB) confirmation/non-acknowledgement (ACK/NACK) information of transmission block (TB) on PUSCH is carried on the PHICH fed back, PHICH； When bearing downlink dynamic scheduling information on PDCCH, UE receives Physical Downlink Shared Channel (PDSCH) according to the scheduling information, And PUCCH is sent according to the sequential relationship between PDSCH and Physical Uplink Control Channel (PUCCH), PDSCH is carried on PUCCH The ACK/NACK information of upper TB.

UE in RRC_CONNECTED is held after detecting the scrambled PDCCH of SPS C-RNTI according on PDCCH The specific semi-persistent scheduling information carried can execute corresponding processing: when carrying uplink semi-persistent scheduling active information on PDCCH When, UE determines the resource distribution of semi-static PUSCH according to the information, and according to configuration information periodicity sending PUSCH, each PUSCH sends according to this PUSCH that the sequential relationship between PUSCH and PHICH receives eNodeB feedback after sending and corresponds to PHICH, the ACK/NACK information of TB on this PUSCH is carried on PHICH；When bearing downlink semi-persistent scheduling swashs on PDCCH When information living, UE determines the resource distribution of semi-static PDSCH according to the information, and according to configuration information periodic receipt PDSCH, PUCCH is sent according to the sequential relationship between PDSCH and PUCCH after receiving PDSCH every time, carries this on PUCCH The ACK/NACK information of the upper TB of PDSCH；When carrying upstream or downstream semi-persistent scheduling release information on PDCCH, UE discharges it The semi-static PUSCH or PDSCH resource of preceding configuration.

The general introduction of the above-mentioned each function of being executed for UE in FDD cell in LTE system and TDD cell.But actual In networking, there are such scenes: have a pair of of FDD carrier wave or a TDD carrier wave, there are one or multiple pilot frequency point carrier waves.This A little pilot frequency point carrier waves may be authorization or unauthorized carrier wave.UE executes uplink and sends on carrier wave on these pilot frequency point carrier waves Existing business interference less, can be used such carrier wave and be served only for uplink transmission.In actual service application, in many fields There are the business demand that video uploads, demand of the business demand to intra-cell uplink bandwidth to be far longer than to downlink bandwidth for scape Demand.For actual networking scene and service application scene, need to solve how to carry using a pair of FDD carrier wave or a TDD Wave and multiple pilot frequency point carrier waves, to solve in practical application, upstream bandwidth demand is far longer than asking for downlink bandwidth demand in cell Topic.

Summary of the invention

In view of this, can solve and actually answer the main purpose of the present invention is to provide a kind of implementation method of LTE cell The problem of being far longer than downlink bandwidth demand with upstream bandwidth demand in middle cell.

In order to achieve the above object, technical solution proposed by the present invention are as follows:

A kind of implementation method of LTE cell, comprising:

A, the FDD cell is decomposed by special FDD cell, operational administrative center OMC or LMT Local Maintenance Terminal LMT One main plot and at least one secondary cell；The special FDD cell is configured with a pair of of Frequency Division Duplex FDD carrier wave and at least one A upstream auxiliary carriers, the main plot are made of a pair of of FDD carrier wave of the FDD cell；For each secondary cell, uplink Carrier wave is a upstream auxiliary carriers of the FDD cell, and descending carrier is the descending carrier in the pair of FDD carrier wave；

B, when OMC or LMT configure the FDD cell, correspondingly configured in Cell Configuration message the main plot and The secondary cell；

C, when base station eNodeB receives the Cell Configuration message, according to the cell class of Cell Configuration message carrying Type cell IE know current-configuration cell be special FDD cell after, according to the configuration in message, respectively in L3, L2 With the main plot FDD and at least one secondary cell are established in L1 module, the main plot that each module is established and same mould Each secondary cell that block is established is associated, the main plot that the main plot that L3 module is established is established with L2 module and L1 module respectively It is associated, the corresponding secondary cell that each secondary cell that L3 module is established is established to L2 module and L1 module respectively is associated.

In conclusion the implementation method of LTE cell proposed by the present invention, when base station eNodeB is taken according to Cell Configuration message The cell type IE of band knows the cell of current-configuration according to the configuration in message, to exist respectively after special FDD cell The main plot FDD and at least one secondary cell are established in L3, L2 and L1 module, and are established in modules in the following manner And the incidence relation of intermodule cell: each secondary cell phase that the main plot that each module is established is established with same module Association, the main plot that L3 module is established is associated with the main plot that L2 module and L1 module are established respectively, and L3 module is established Each secondary cell it is associated to the corresponding secondary cell that L2 module and L1 module are established respectively, in this way, special FDD may be implemented The carrier wave of cell configures, and then can use multiple up-link carriers in cell, to solve intra-cell uplink band in practical application Wide demand is far longer than the problem of downlink bandwidth demand.

Detailed description of the invention

Fig. 1 is the method flow schematic diagram of the embodiment of the present invention.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the accompanying drawings and the specific embodiments The present invention is described in further detail.

A pair can be available with FDD carrier wave/mono- in the big bandwidth demand of uplink uploaded for video and practical networking scene The situation of TDD carrier wave and the up-link carrier of one or more available pilot frequency points, it is a kind of special to establish in LTE system FDD/TDD cell.For special FDD cell, which includes a pair of FDD carrier wave and one or more up-link carriers.Wherein, Descending carrier and up-link carrier in a pair of of FDD carrier wave are the unique descending carrier of the cell and uplink main carrier respectively, are owned Other up-link carriers are the upstream auxiliary carriers of this cell.For special TDD cell, which includes a TDD carrier wave and 1 A or multiple up-link carriers.Wherein, TDD carrier wave is unique carrier wave sent simultaneously for uplink and downlink in the particular cell, The carrier wave is both descending carrier and uplink main carrier, and every other up-link carrier is the upstream auxiliary carriers of the cell.The present invention It proposes a kind of implementation method of LTE cell, while being suitable for special FDD cell and special TDD cell.But Xia Shushi Concrete implementation method of the present invention will be illustrated just for special FDD cell by applying in example.

In special FDD cell, using FDD frame structure: unique descending carrier and each up-link carrier all use FDD Frame structure.In the cell unique descending carrier execute in an identical manner descending carrier in common FDD cell institute it is active Can, in the cell unique uplink main carrier execute in an identical manner common FDD intra-cell uplink carrier wave institute it is functional.

Accessing the UE of above-mentioned special FDD cell, there are two types of types:

(1) common UE: such UE is the UE for only supporting common FDD cell cell.For this kind of UE, which is exactly one A common FDD cell, the cell are only made of a pair of of FDD carrier wave carrier wave: UE relevant uplink is sent and downlink is sent all On a pair of of FDD carrier wave, these UE do not know the cell, and there are other upstream auxiliary carriers.

(2) UE (hereinafter referred to as new UE): this kind of UE of special FDD cell is supported to report support special when accessing cell The ability of different FDD cell.If the cell of such UE access is common FDD cell, eNodeB ignores the capability reporting；If such The cell of UE access is special FDD cell, and eNodeB distributes up-link carrier to such UE according to the capability reporting: can only give UE distribute uplink main carrier, can also to UE simultaneously distribute multiple up-link carriers, these carrier waves may include uplink main carrier or It does not include uplink main carrier.For this kind of UE, UE is after accessing special FDD cell, and eNodeB is when distributing resource to UE The instruction of special FDD cell is carried, or indicates that current area is special FDD in a manner of implying the up-link carrier of distribution Cell, such as: some up-link carrier and descending carrier of distribution are not the carrier waves of pairing.

But the implementation method of existing eNodeB is only supported to establish common FDD cell, does not support to establish special FDD Cell.Specifically, when eNodeB is received from the Cell Configuration message of OMC or LMT, it is if carrying cell type in message FDD cell then establishes FDD cell in the following way.Wherein, the cell type carried in message can be with are as follows: FDD cell or TDD cell.

Value of the L3 module of eNodeB according to the cell type IE in " Cell Configuration message " of OMC or LMT, creation The example of one FDD cell, and one instance number of the example allocation is given, for identifying the cell.L3 module is according to " cell configures Carrier configuration information IE is the upper and lower row radio resource of the cell exemplary configuration in message ".When cell type IE is FDD cell When, carrier configuration information IE provides the configuration information of a pair of FDD carrier wave.

The example that the L3 module instruction L2 module of eNodeB establishes a FDD cell, the cell example and L3 of the L2 module The cell example of module is associated.

The example that the L3 module instruction L1 module of eNodeB establishes a FDD cell.The cell example and L3 of the L1 module The cell example of module is associated.

For the implementation method of above-mentioned existing eNodeB, LTE cell implementation method proposed by the present invention is applicable not only to spy Different LTE FDD cell, correspondingly, this method is also applied for special LTE TDD cell.

Fig. 1 is the flow diagram of LTE cell implementation method provided in an embodiment of the present invention, as shown in Figure 1, the embodiment It specifically includes that

The FDD cell is decomposed into a main plot and at least one for special FDD cell, OMC or LMT by step 101 A secondary cell；The special FDD cell is configured with a pair of of Frequency Division Duplex FDD carrier wave and at least one upstream auxiliary carriers, described Main plot is made of a pair of of FDD carrier wave of the FDD cell；For each secondary cell, up-link carrier is the FDD cell One upstream auxiliary carriers, descending carrier are the descending carrier in the pair of FDD carrier wave.

Step 102, when OMC or LMT configure the FDD cell, the master is correspondingly configured in Cell Configuration message Cell and the secondary cell.

Preferably, following methods can be used in this step, the main plot is correspondingly configured in Cell Configuration message With the secondary cell:

Cell type cell (IE) in the Cell Configuration message is provided for indicating cell type by step 1021 For the IE value of special FDD cell.

Step 1022, in the Cell Configuration message, a pair of the main plot is indicated using carrier configuration information IE FDD carrier wave.

Step 1023, in the Cell Configuration message, increase secondary cell configuration information IE, the secondary cell configuration information IE includes the carrier configuration information IE of secondary cell number IE and each secondary cell；Wherein, the carrier configuration information of each secondary cell IE is used to indicate the up-link carrier and descending carrier of a secondary cell.

Step 1024, in the Cell Configuration message, utilize physical-layer cell identifier ID IE to configure the FDD cell Physical-layer cell ID, the main plot and each secondary cell physical-layer cell ID；Wherein, the FDD cell, described The physical-layer cell ID of main plot and the secondary cell is numerical value indicated by the IE of the physical-layer cell.That is, being matched The physical-layer cell ID of the cell for these each types set is all the same, that is, is numerical value indicated by the IE of the physical-layer cell.

Step 103, when base station eNodeB receives the Cell Configuration message, according to the Cell Configuration message carry Cell type cell IE knows the cell of current-configuration according to the configuration in message, to exist respectively after special FDD cell The main plot FDD and at least one secondary cell are established in L3, L2 and L1 module, the main plot that each module is established with The each secondary cell established with module is associated, the master that the main plot that L3 module is established is established with L2 module and L1 module respectively Cell is associated, and each secondary cell that L3 module is established is related to the corresponding secondary cell that L2 module and L1 module are established respectively Connection.

Preferably, this step can be realized using following methods:

Step 1031, when the L3 module of the eNodeB receives Cell Configuration message, according to the Cell Configuration message Cell type cell IE know current-configuration cell be special FDD cell after, the L3 module be the cell create 1+N A cell example respectively corresponds a main plot and N number of secondary cell；Wherein, the N is secondary cell in the Cell Configuration message The secondary cell number that number IE is configured.

Step 1032, the eNodeB configure the master according to the carrier configuration information IE in the Cell Configuration message A pair of of FDD carrier wave of cell, and according to the up-link carrier and downlink of the carrier configuration information IE of each secondary cell configuration secondary cell Carrier wave.

Wherein, the configuration information of each carrier wave includes: the frequency point and bandwidth of carrier wave, for descending carrier, the configuration information Further include: the transmission power of each down physical channel and each downlink physical signal on the carrier wave, for up-link carrier, this is matched Confidence breath further include: the configuration information of each uplink physical channel on the carrier wave, the configuration information of uplink physical channel include PRACH configuration information, PUCCH configuration information and SRS configuration information；Each downlink physical letter on the descending carrier of each secondary cell The transmission power of road and each downlink physical signal is configured to 0.

Step 1033, the L3 module bind established main plot and N number of secondary cell, and are the master Cell and N number of secondary cell configure the same physical-layer cell ID, and physical-layer cell ID is from the Cell Configuration message Physical-layer cell ID IE obtain.

Step 1034, the L3 module to the L2 module configure 1+N cell, the 1+N cell respectively with the L3 One main plot in module and N number of secondary cell correspond, main plot in the respectively described L2 module and N number of auxiliary small Area；The L2 module is that the 1+N cell is respectively created a cell example, and by each cell and corresponding cell example It is bound.

Step 1035, the L2 module are each cell exemplary configuration uplink scheduling module and descending scheduling module； The configuration information of the uplink scheduling module includes the bandwidth of up-link carrier；Under the configuration information of the descending scheduling module includes The bandwidth of row carrier wave.

Wherein, cell example corresponding for each secondary cell, by the uplink scheduling module configured and descending scheduling mould Block is preset as the state that is not called, it may be assumed that for secondary cell, uplink and downlink scheduler module is not used；It is corresponding for main plot Cell example, the uplink scheduling module and descending scheduling module configured be used to execute the uplink scheduling of the 1+N cell And descending scheduling, that is to say, that the uplink scheduling and descending scheduling of all cells pass through the corresponding cell example in main plot respectively In uplink and downlink scheduler module execute.

Step 1036, the L3 module be the L1 module configure 1+N cell, the 1+N cell respectively with the L3 One main plot in module and N number of secondary cell correspond, main plot in the respectively described L1 module and N number of auxiliary small Area；The physical-layer cell ID of the 1+N cell is configured physical-layer cell ID in the Cell Configuration message by the L3 module The corresponding value of IE；For the FDD cell, the L3 module by the L1 module in each secondary cell on descending carrier it is each The transmission power of physical channel and physical signal is configured to 0；The L1 module is that L3 module is distinguished for each cell of its configuration Corresponding cell example is created, it is auxiliary from uplink main carrier and N number of uplink that 1+N cell of the L1 module is respectively used to processing The uplink baseband signal of carrier wave；Wherein, the main plot of the L1 module is responsible for sending the downlink physical of main plot and N number of secondary cell Channel and physical signal, the transmitting of each physical channel and physical signal on the descending carrier of each secondary cell of the L1 module Power is both configured to 0.

It further, can also include: that the eNodeB is executed at the uplink of the FDD cell after the step 103 Reason process.

Specifically, above-mentioned uplink treatment process includes the following steps:

Main plot and each secondary cell in the L1 module are handled respectively on uplink main carrier and each upstream auxiliary carriers PRACH, PUCCH and PUSCH baseband signal, and obtained data are separately sent to the main plot of L2 module and each auxiliary The corresponding memory block of cell, the data include the TB on UCI and PUSCH on detected PRACH, PUCCH.

Further, the uplink treatment process may include: the place of MAC layer in the example of main plot in the L2 module Reason, the processing of rlc layer and PDCP layers of processing.

Wherein, the processing of the MAC layer includes: the processing to PRACH, the processing to PUCCH and the processing to PUSCH.

Preferably, the processing to PRACH may include following step:

(1) the uplink scheduling module of the MAC layer detects in the memory block of each cell in the L2 module The determination PRACH to be responded in PRACH, these PRACH to be responded are the PRACH detected in same sub-frame of uplink, described PDCCH the and PUSCH resource that the uplink scheduling module of MAC layer gives the PRACH each to be responded distribution to send MSG3 for UE；It is right In each PRACH for being successfully assigned with MSG3 resource, then indicating downlink scheduler module gives this to the uplink scheduling module of the MAC layer A little PRACH distribute PDCCH the and PDSCH resource for sending RAR.

(2) the descending scheduling module of the MAC layer is distributed according to the instruction of the MAC layer uplink scheduling module for sending PDCCH the and PDSCH resource of RAR.If being successfully assigned with RAR resource, by the MSG3 of RAR resource allocation information and each PRACH Resource allocation information is handed down to the main plot of the L1 module.

Wherein, the RAR resource allocation information includes PDCCH configuration information, the PDCCH for sending random access response Upper DCI and PDSCH configuration information.

The MSG3 resource allocation information of each PRACH includes PDCCH configuration information, PDCCH for sending MSG3 TB in upper DCI and the RAR resource allocation information on PDSCH；

TB in the RAR resource allocation information on PDSCH is by the corresponding training sequence of each PRACH responded Peamble subscript, uplink authorization information and Temporary C-RNTI are constituted；Wherein, each PRACH responded it is corresponding on Row authorization message is to send the scheduling information of the PUSCH of UE transmission carrying MSG3 of the PRACH responded, Temporary C- RNTI is used to identify the UE of transmission MSG3；

Preferably, the processing to PUCCH can specifically include the following contents:

(1) UCI on PUCCH is for carrying ACK/NACK information and/or CQI information.

(2) when the UCI on PUCCH carries ACK/NACK information, if the information is nack message, show corresponding Transmission block TB on PDSCH is not properly received by UE, then the MAC layer indicating downlink scheduler module is not connect correctly by UE TB on the PDSCH of receipts dispatches the PDSCH resource for retransmitting the TB；If the information is ACK information, show corresponding PDSCH On transmission block TB be properly received by UE, then the MAC layer by corresponding PDSCH TB occupy hybrid automatic repeat-request HARQ Process is set as idle, can use the subsequent TB of the process transmission.

(3) when the UCI on PUCCH carries CQI information, when UE of the downlink scheduler module to each cell carries out downlink When scheduling, the CQI information for the UE that MAC layer saves in the corresponding affiliated subdistrict UE is read, based on the nothing for the UE that the CQI information determines Line channel quality is scheduled.

Preferably, the processing to PUSCH may include the following contents:

(1) when TB decoding is correct on PUSCH, corresponding HARQ process is arranged to the free time by MAC layer, and parses the TB, Obtain MAC SDU or/and MAC CE；The MAC layer solution parsing MAC CE obtains the control information from corresponding UE and saves the letter Breath；MAC SDU is given rlc layer corresponding RLC entity by the MAC layer by respective logical channels.

(2) when TB decoding error on PUSCH, if the number of retransmissions of the TB is not up to preset maximum retransmission and is adopted When with adaptive retransmission, the MAC layer instruction uplink scheduling module is to TB scheduling PDSCH resource to retransmit the TB.

(3) when TB decoding is correct on PUSCH, the MAC layer generates ACK information；Otherwise, MAC layer generates nack message； The resource subscript of the ACK/NACK information of TB on PUSCH and the PHICH for feeding back the information are handed down to the L1 by the MAC layer The main plot of module.

(4) main plot of the L1 module is encoded and is modulated to ACK/NACK information, then according under PHICH resource Modulated information is fed back to UE by corresponding PHICH channel by mark.

Preferably, the processing of the rlc layer includes:

(1) MAC SDU of the corresponding RLC entity handles of rlc layer from respective logical channels, obtains RLC SDU；If should RLC SDU comes from control channel, then the RLC SDU is RRC information, and corresponding RLC SDU is uploaded to rrc layer by RLC entity；

(2) if the RLC SDU comes from Traffic Channel, corresponding RLC SDU is uploaded to phase in PDCP layers by RLC entity The PDCP entity answered.

Preferably, PDCP layers of the processing includes:

Corresponding RLC SDU of the PDCP entity handles from corresponding RLC entity, obtains PDCP SDU in PDCP layers, described PDCP SDU will be carried by EPS corresponding on S1 interface and is transferred to gateway gateway (S-GW).

Preferably, the processing of the rrc layer includes:

The corresponding RRC information of rrc layer processing, and corresponding process is executed according to the type of message.

It should be noted that there are many type of RRC information, each type of RRC information has corresponding process flow.This A little processes are not the contents of the present invention, and details are not described herein.

Further, the present embodiment can also include the processing in down direction:

Only have main plot to carry out downlink processing in L3 module, other secondary cells are without downlink processing.L3 module gives L1 mould The transmission power of all down physical channels and physical signal is configured to 0 in each secondary cell in block.

The main plot of main plot instruction L1 sends PSS, SSS and PBCH in L3 module.

Based on this, preferably, may further include after the step 103: eNodeB is executed under the FDD cell Row treatment process；The downlink processing process includes: the processing of control plane and the processing in user face.

Specifically, the processing of the control plane includes: the processing of MIB, SIB, paging message and the dedicated control signaling of UE.

Wherein, the MIB, SIB, paging message are common control information, and the treatment process of these information includes:

(1) described MIB, SIB and paging message correspond to RLC entity different in main plot in L2 module；In L3 module MIB, SIB and paging message are placed into position different in the memory block of main plot in L2 module by main plot.

(2) the corresponding RLC entity of MIB/SIB/ paging message is main from the L2 module in main plot in the L2 module MIB/SIB/ paging message is taken out in corresponding position in the memory block of cell, carries out respective handling, obtains RLC PDU, and pass through RLC PDU is sent to the MAC layer of cell by corresponding logic channel；MIB and SIB corresponds to different BCCH, and paging message is corresponding PCCH。

(3) the corresponding BCCH of the MIB is mapped on BCH, is sent eventually by PBCH；The running time-frequency resource that PBCH is occupied is solid It is fixed；The BCCH and PCCH for carrying each SIB are mapped on different DL-SCH, are sent eventually by different PDSCH；Main plot MAC layer obtain MIB from corresponding BCCH, MIB is sent to the main plot of L1 module by BCH.

(4) the descending scheduling module of MAC layer executes following treatment process in main plot, comprising:

The descending scheduling module give respectively carrying SIB BCCH and bearing call message PCCH distribution PDCCH and PDSCH resource, and the configuration information of DCI information and PDSCH on the configuration information of PDCCH, PDCCH is handed down to the L1 mould The main plot of block, the DCI information are the scheduling information of PDSCH.

After to BCCH and PCCH scheduling resource, the MAC layer of descending scheduling module instruction main plot is by coming from RLC PDU on BCCH/PCCH assembles MAC PDU；MAC PDU on different logic channels is passed through under different DL-SCH Issue the main plot of the L1 module.

(5) PDCCH corresponding for BCCH and PDSCH, main plot carries out channel to DCI on PDCCH in the L1 module Coding and modulation, to DCI carry out channel coding when, by the DCI obtain 16 bits CRC, with SI-RNTI to the CRC into Row scrambling, then executes the subsequent processing and symbol-modulated of channel coding, symbol stream is mapped on PDCCH, is then passed through Main plot descending carrier sends the scrambled PDCCH of the SI-RNTI；The main plot of the L1 module to MAC PDU on DL-SCH into Row channel coding and modulation obtain the CRC of 16 bits by MAC PDU, use SI-RNTI when carrying out channel coding to MAC PDU The CRC is scrambled, the subsequent processing and symbol-modulated of channel coding is then executed, symbol stream is mapped on PDSCH, Then the scrambled PDSCH of SI-RNTI is sent to by UE by the descending carrier of main plot.

(6) PDCCH corresponding for PCCH and PDSCH, main plot carries out letter to the DCI on PDCCH in the L1 module Road coding and modulation, to DCI carry out channel coding when, by the DCI obtain 16 bits CRC, with P-RNTI to the CRC into Row scrambling, then executes the subsequent processing and symbol-modulated of channel coding, symbol stream is mapped on PDCCH, is then passed through Main plot descending carrier sends the scrambled PDCCH of P-RNTI；The main plot of the L1 module carries out letter to MAC PDU on DL-SCH Road coding and modulation obtain the CRC of 16 bits by MAC PDU, with P-RNTI to this when carrying out channel coding to MAC PDU CRC is scrambled, and is then executed the subsequent processing and symbol-modulated of channel coding, symbol stream is mapped on PDSCH, then The scrambled PDSCH of P-RNTI is sent to UE by the descending carrier of main plot；

The processing of the dedicated control signaling of the UE includes:

(1) the corresponding RLC entity of the dedicated control signaling of the UE, the RLC entity is using dedicated control signaling as RLC SDU is handled, and obtains RLC PDU, RLC PDU is sent to MAC layer by corresponding logic channel DCCH.

(2) the descending scheduling module of MAC layer is scheduled UE in each cell in the main plot；Dispatching a UE When, the downlink data total amount on each logic channel based on the UE gives UE to distribute PDSCH resource；Simultaneously on priority scheduling DCCH The UE for thering is downlink data to need to transmit.

(3) as one UE of successful dispatch, will distribute to the PDCCH of the UE the upper DCI of configuration information, PDCCH and The configuration information of PDSCH is handed down to the main plot of the L1 module；Meanwhile descending scheduling module indicates the place UE cell MAC layer is by the data assembling MACPDU on each logic channel of the UE；Wherein, preferentially using on high priority logic channel MAC SDU assembles MAC PDU, which is the TB of physical layer；It will be under MAC PDU by corresponding transmission channel DL-SCH Issue the main plot of the L1 module.

(4) main plot carries out channel coding and modulation to DCI on PDCCH in the L1 module, and symbol stream is mapped to On PDCCH, the scrambled PDCCH of C-RNTI is then sent by main plot descending carrier；The main plot of the L1 module is to DL- The upper MAC PDU of SCH carries out channel coding and modulation, and symbol stream is mapped on PDSCH, the descending carrier of main plot is then passed through The scrambled PDSCH of C-RNTI is sent to UE.

Preferably, the processing in the user face includes:

(1) for the downlink DRB established in a cell, the DRB in the L2 module in corresponding cell have pair The PDCP entity and RLC entity and corresponding logic channel DTCH, transmission channel DL-SCH and physical channel PDSCH answered.

(2) the PDCP SDU on the DRB passes through corresponding PDCP entity handles, obtains PDCPPDU；Corresponding RLC is real Body handles PDCP PDU, obtains RLC PDU；The RLC PDU gives cell by corresponding logic channel DTCH MAC layer.

(3) the descending scheduling module of main plot is responsible for being scheduled the UE of all cells in the L2 module；For quilt The UE of scheduling, the upper DCI and PDSCH configuration information of PDCCH configuration information, PDCCH that descending scheduling module will distribute to the UE It is sent to the memory block of main plot in the L1 module.

(4) for scheduled UE, descending scheduling module indicates the MAC layer of cell belonging to the UE by each of the UE RLC PDU on the corresponding each logic channel of DRB and each SRB assembles MACPDU, and MAC PDU is passed through corresponding DL- SCH is sent to the memory block of main plot in L1 module.

(5) main plot of the L1 module carries out channel coding and modulation to DCI, and the symbol stream that modulation obtains is mapped to On PDCCH, the scrambled PDCCH of C-RNTI is sent to UE by the descending carrier of main plot.

(6) main plot of the L1 module carries out channel coding and modulation to TB, and symbol stream is mapped on PDSCH, leads to The descending carrier for crossing main plot sends the scrambled PDSCH of C-RNTI to UE.

Preferably, may further include after the step 103: user equipment (UE) initiates random access in main plot Realization process；The process includes:

Step x1, UE sends MSG1 to the eNodeB.

Specifically, in this step, UE, which obtains PRACH resource distribution on uplink main carrier according to the system message of cell, to be believed Breath sends MSG1 (sending PRACH on uplink main carrier) on uplink main carrier according to the PRACH resource allocation information.

Step x2, the described eNodeB sends MSG2 according to the MSG1, Xiang Suoshu UE.

Preferably, this step x2 can be realized using following step:

(1) after the main plot in the L1 module detects the PRACH that the UE is sent, which is reported to institute State the main plot in L2 module.

(2) it selects to need in the PRACH that the uplink scheduling module of main plot detects in each cell in the L2 module The PRACH to be responded distributes PUSCH resource for each PRACH responded, and the UE for sending corresponding PRACH sends MSG3. And indicate that the descending scheduling module of main plot in L2 module is each PRACH distribution transmission RAR for being successfully assigned with MSG3 resource Resource.

(3) in the L2 module descending scheduling module of main plot according to the uplink scheduling mould of main plot in the L2 module The PRACH distribution PDCCH resource for being designated as all responses and PDSCH resource of block, for sending the random access of these PRACH Response, and PDCCH configuration information, the upper DCI information of PDCCH and PDSCH configuration information are handed down to main plot in the L1 module； Wherein, the upper DCI information of PDCCH is the scheduling information of PDSCH, receives PDSCH for UE.

(4) in the L2 module main plot MAC layer according to the corresponding PUSCH resource of the PRACH of each response generate with Machine access response MAC PDU, and random access response MAC PDU is handed down to main plot in the L1 module；The MAC PDU is TB on PDSCH；The relevant information of the PRACH of each response is carried on the MAC PDU；It, should for each PRACH responded The relevant information of PRACH include: the PRACH use the subscript of preamble, uplink authorization information and distribute to transmission should The Temporary C-RNTI of the UE of PRACH, the uplink authorization information are the PUSCH of the corresponding carrying MSG3 of the PRACH Configuration information.

(5) main plot is directed to DCI information, the random access response on the PDCCH received in the L1 module MAC PDU executes corresponding treatment process, which includes:

To on PDCCH DCI information carry out channel coding and modulation, and in the L1 module main plot descending carrier On, the symbol stream that modulation obtains is sent to UE by the scrambled PDCCH of RA-RNTI；

To on PDSCH MAC PDU carry out channel coding and modulation, and in the L1 module main plot descending carrier On, the symbol stream that modulation obtains is sent to UE by the scrambled PDSCH of RA-RNTI.

Step x3, the described UE sends MSG3 according to the MSG2, Xiang Suoshu eNodeB.

Preferably, step x3 can be realized using following methods:

The UE is received after the descending carrier of main plot detects the scrambled PDCCH of RA-RNTI in same subframe The scrambled PDSCH of RA-RNTI, extracted from the PDSCH the corresponding uplink authorization information of PRACH transmitted by the UE and Temporary C-RNTI；The scrambled PUSCH of Temporary C-RNTI is sent in uplink main carrier according to uplink authorization information, MSG3 is carried on the PUSCH, the MSG3 is that request message is established in RRC connection.

Step x4, the described eNodeB sends MSG4 according to the MSG3, Xiang Suoshu UE.

Preferably, step x4 can be realized using following step:

(1) the detection scrambled PUSCH of Temporary C-RNTI in main plot in the L1 module, will be detected The TB decoded on PUSCH is reported to main plot in the L2 module.

(2) MAC layer of main plot extracts MAC SDU from the TB in the L2 module, reports corresponding RLC entity, Obtained RLC SDU is reported main plot in the L3 module by the RLC entity, and the RLC SDU carries the RRC connection and builds Vertical request message.

(3) in the L3 module rrc layer of main plot obtained from RLC SDU the RRC connection establish request message it Afterwards, Signaling Radio Bearer SRB is established for the UE, and the RRC connection is established into message as RLC SDU and is sent to L2 module The configuration information that message carries SRB is established in the corresponding RLC entity of middle main plot, the RRC connection.

(4) the descending scheduling module of main plot distributes PDCCH to the RLC SDU of the RLC physically in the L2 module Resource and PDSCH resource, and PDCCH configuration information, the upper DCI information of PDCCH and PDSCH configuration information are handed down to the L1 mould Main plot in block；Wherein, the scheduling information that DCI information is PDSCH on the PDCCH；The downlink of main plot in the L2 module For scheduler module after to the RLC entity allocating resources, instruction MAC layer assembles MAC by the RLC SDU of the RLC physically PDU；The MAC PDU is the TB on PDSCH；UE Contend resolution ID MAC CE is carried in the MAC PDU； Wherein, Contend resolution ID MAC CE is made of preceding 48 bit in the corresponding MAC SDU of MSG3.

(5) in the L1 module main plot according to the PDCCH configuration information, the upper DCI information of PDCCH, PDSCH match confidence Breath and the MAC PDU of RLC SDU assembling, execute corresponding processing；Wherein, which includes: on the PDCCH DCI information carries out channel coding and modulation, and the symbol stream that modulation is obtained is sent out by the scrambled PDCCH of Temporary C-RNTI Give UE；Channel coding and modulation are carried out to the TB on the PDSCH, the symbol stream that modulation is obtained passes through Temporary C- The scrambled PDSCH of RNTI is sent to UE.

Step x5, the described UE handles the MSG4 received.

Preferably, step x5 can be realized using following step:

(1) UE receives the scrambled PDCCH of Temporary C-RNTI on uplink main carrier, and connects in same subframe Receive the scrambled PDSCH of Temporary C-RNTI；MAC layer processing is carried out to the TB of PDSCH, obtains MAC SDU and UE resolution ID MAC CE。

(2) if the information in the UE resolution ID MAC CE is corresponding with the MSG3 that foregoing description UE is sent MAC SDU in preceding 48 bit it is not identical, then the MAC layer of the UE abandons MAC SDU obtained, current random access mistake Journey failure；If the information MAC corresponding with the MSG3 that foregoing description UE is sent in the UE resolution ID MAC CE Preceding 48 bit is identical in SDU, then the MAC SDU is sent to corresponding RLC entity by the MAC layer of the UE.

(3) the RLC SDU that processing obtains is reported rrc layer by the RLC entity.

(4) rrc layer extracts RRC connection from RLC SDU and establishes message；Message is established according to the RRC connection to hold The corresponding configuration of row, and C-RNTI is arranged to Temporary C-RNTI, delete Temporary C-RNTI.

(5) rrc layer generates RRC connection setup complete message, which carries NAS message, It include business application information and UE ability information in the NAS message；Include at least in the ability information of UE: UE is supported special The band information of FDD/TDD cell.

(6) UE sends SR by the scheduling request SR resource on the PUCCH of distribution on uplink main carrier, to Shen Please ascending resource, and monitor with the scrambled PDCCH of C-RNTI；If detecting corresponding PDCCH, according on the PDCCH The scheduling information of PUSCH, the UE send RRC connection setup complete message to main plot on the up-link carrier of main plot.

Preferably, may further include after the step 103: the main plot of the L3 module is according to from UE ability The band information for the special FDD cell that the UE extracted in message is supported determines each uplink in the special FDD cell In carrier wave UE support up-link carrier, when the UE support each up-link carrier in include at least one upstream auxiliary carriers and institute State L3 module determine one of them described upstream auxiliary carriers is allocated to UE after, the main plot of the L3 module passes through transmission The UE is switched to upstream auxiliary carriers from uplink main carrier in up direction to UE, triggering by RRC connection reconfiguration message.Specifically, Above-mentioned handoff procedure can be realized using following methods:

(1) ability information that the main plot of the L3 module is reported according to UE knows the auxiliary load of each uplink that UE is supported Wave, and the uplink of the UE is switched in one of upstream auxiliary carriers by determination；Wherein, the ability information includes what UE was supported The band information of special FDD/TDD cell.

(2) main plot of the L3 module binds UE with secondary cell corresponding in L3 module；Wherein, the secondary cell is upper Row carrier wave is the upstream auxiliary carriers for switching to the uplink of the UE that the main plot of the L3 module determines；Own in L3 module Secondary cell does not execute downlink processing, and the downlink processing of corresponding secondary cell is all executed in main plot, and therefore, the UE is in secondary cell The downlink resource configuration of UE in existing main plot is still continued to use in downlink resource configuration, is only needed these resource distributions and UE institute Secondary cell binding.However, it is desirable to redistribute ascending resource to UE on the up-link carrier of secondary cell, comprising: PRACH money Source, PUCCH resource and SRS resource；For each DRB and each SRB established before UE in the main plot L3, these are carried on The configuration information of main plot respectively and in L3 module and L2 module in the configuration information of main plot and L2 module in the L3 module Corresponding secondary cell binding, it may be assumed that the configuration information of these carryings becomes the carrying of secondary cell foundation by the binding with secondary cell.

(3) uplink and downlink of UE by the bandwidth of corresponding upstream auxiliary carriers and are distributed in the main plot of the L3 module The configuration information of resource is sent to UE by RRC connection reconfiguration message.

(4) UE refreshes the uplink money of the side UE according to uplink and downlink resource allocation information in the RRC connection reconfiguration message Source configuration information and downlink resource configuration information, and on the uplink main carrier of main plot, it returns to RRC connection reconfiguration and completes message To main plot.

(5) after the main plot of the L3 module receives the RRC reconfiguration completion message, money of the release UE in main plot Source configuration information；Later, the uplink of UE is sent in upstream auxiliary carriers execution, and downlink reception is still on the descending carrier of main plot It executes.

Preferably, may further include after the step 103: the treatment process of uplink and downlink scheduling, specific as follows:

The descending scheduling module of main plot MAC layer realizes descending scheduling treatment process, the descending scheduling in the L2 module Treatment process includes:

(1) according to the instruction of uplink scheduling module, for the PRACH distribution for needing to respond in main plot and all secondary cells PDCCH and PDSCH resource is to send RAR.

(2) PDCCH and PDSCH resource is distributed for the common control information of special FDD/TDD cell；The public affairs of the cell Control information includes: MIB, SIB and paging message altogether；Resource is distributed to these information respectively, and ensures described MIB, SIB and seeks Exhale message that cannot be multiplexed together.

(3) distribute PDCCH and PDSCH resource for UE each in main plot and each secondary cell, with transmit UE it is each under The data in data and downlink SRB on row DRB.

The uplink scheduling module of main plot MAC layer realizes uplink scheduling treatment process, the uplink scheduling in the L2 module Treatment process includes:

(1) PRACH for needing to respond is determined in the PRACH detected in main plot and all secondary cells, gives these PRACH distributes PDCCH resource and PUSCH resource respectively, so that corresponding UE sends MSG3.

(2) be respectively in each cell each UE distribution PDCCH and PUSCH resource；UE in different community is located at not On same up-link carrier；When dispatching UE, PUSCH resource is distributed to UE according to the bandwidth of the up-link carrier where UE, and adjust It spends in information and carries up-link carrier mark.

It should be noted that special TDD cell includes a TDD carrier wave and one or more up-link carriers.Wherein, TDD Carrier wave is unique carrier wave sent simultaneously for uplink and downlink in the particular cell, which is both descending carrier and uplink Main carrier, every other up-link carrier are the upstream auxiliary carriers of the cell.The above method is also applied for special TDD cell.

In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (17)

1. a kind of implementation method of LTE cell characterized by comprising

A, for special Frequency Division Duplex FDD cell, operational administrative center OMC or LMT Local Maintenance Terminal LMT by the small differentiation of the FDD Solution is a main plot and at least one secondary cell；The special FDD cell is configured on a pair of FDD carrier wave and at least one Row secondary carrier, the main plot are made of a pair of of FDD carrier wave of the FDD cell；For each secondary cell, up-link carrier For a upstream auxiliary carriers of the FDD cell, descending carrier is the descending carrier in the pair of FDD carrier wave；

B, when OMC or LMT configure the FDD cell, the main plot and described is correspondingly configured in Cell Configuration message Secondary cell；

C, when base station eNodeB receives the Cell Configuration message, believed according to the cell type that the Cell Configuration message carries First IE know current-configuration cell be special FDD cell after, according to the configuration in message, respectively in L3, L2 and L1 The main plot FDD and at least one secondary cell are established in module, and the main plot that each module is established is built with same module Vertical each secondary cell is associated, and the main plot that L3 module is established is related to the main plot that L2 module and L1 module are established respectively The corresponding secondary cell that each secondary cell that L3 module is established is established to L2 module and L1 module respectively is associated by connection.

2. the method according to claim 1, wherein described correspondingly configure the master in Cell Configuration message Cell and the secondary cell include:

Cell type IE in the Cell Configuration message is provided for the IE that indicating cell type is special FDD cell Value；

In the Cell Configuration message, a pair of of FDD carrier wave of the main plot is indicated using carrier configuration information IE；

In the Cell Configuration message, increase secondary cell configuration information IE, the secondary cell configuration information IE includes secondary cell The carrier configuration information IE of number IE and each secondary cell；Wherein, the carrier configuration information IE of each secondary cell is used to indicate one The up-link carrier and descending carrier of a secondary cell；

In the Cell Configuration message, the physical-layer cell of the FDD cell is configured using physical-layer cell identifier ID IE ID, the main plot and each secondary cell physical-layer cell ID；Wherein, the physical-layer cell ID of each cell is equal For numerical value indicated by the IE of the physical-layer cell.

3. according to the method described in claim 2, it is characterized in that, the step c includes:

When the L3 module of the eNodeB receives Cell Configuration message, according to the cell type cell of the Cell Configuration message IE knows that the cell of current-configuration for after special FDD cell, the L3 module is that the cell creates 1+N cell example, is divided It Dui Ying not a main plot and N number of secondary cell；Wherein, the N is configured by secondary cell number IE in the Cell Configuration message Secondary cell number；

The eNodeB configures a pair of of FDD of the main plot according to the carrier configuration information IE in the Cell Configuration message Carrier wave, and according to the up-link carrier and descending carrier of the carrier configuration information IE of each secondary cell configuration secondary cell；Wherein, each The configuration information of carrier wave includes: the frequency point and bandwidth of carrier wave, for descending carrier, the configuration information further include: each on the carrier wave The transmission power of a down physical channel and each downlink physical signal, for up-link carrier, the configuration information further include: the load The configuration information of each uplink physical channel on wave, the configuration information of uplink physical channel include Packet Random Access Channel PRACH configuration information, physical uplink control channel PUCCH configuration information and detection reference signal SRS configuration information；Each The transmission power of each down physical channel and each downlink physical signal is configured to 0 on the descending carrier of secondary cell；

The L3 module binds established main plot and N number of secondary cell, and is the main plot and described N number of Secondary cell configures same physical-layer cell ID, and physical-layer cell ID is from the physical-layer cell ID in the Cell Configuration message IE is obtained；

The L3 module to the L2 module configure 1+N cell, the 1+N cell respectively with described one in the L3 module A main plot and N number of secondary cell correspond, main plot and N number of secondary cell in the respectively described L2 module；The L2 module A cell example is respectively created for the 1+N cell, and each cell is bound with corresponding cell example；

The L2 module is each cell exemplary configuration uplink scheduling module and descending scheduling module；The uplink scheduling mould The configuration information of block includes the bandwidth of up-link carrier；The configuration information of the descending scheduling module includes the bandwidth of descending carrier； Wherein, cell example corresponding for each secondary cell, the uplink scheduling module configured and descending scheduling module are preset as Be not called state；Cell example corresponding for main plot, the uplink scheduling module and descending scheduling module configured are used for Execute the uplink scheduling and descending scheduling of the 1+N cell；

The L3 module be the L1 module configure 1+N cell, the 1+N cell respectively with described one in the L3 module A main plot and N number of secondary cell correspond, main plot and N number of secondary cell in the respectively described L1 module；The L3 module ID IE corresponding value in physical-layer cell in the Cell Configuration message is configured by the physical-layer cell ID of the 1+N cell；It is right In the FDD cell, the L3 module is by each physical channel and object on descending carrier in each secondary cell in the L1 module The transmission power of reason signal is configured to 0；The L1 module be L3 module for its configuration each cell be respectively created it is corresponding small Area's example, 1+N cell of the L1 module are respectively used to handle the uplink base from uplink main carrier and N number of upstream auxiliary carriers Band signal；Wherein, the main plot of the L1 module is responsible for sending down physical channel and the physics letter of main plot and N number of secondary cell Number, the transmission power of each physical channel and physical signal is both configured on the descending carrier of each secondary cell of the L1 module 0。

4. the method according to claim 1, wherein further comprising after the step c: the eNodeB Execute the uplink treatment process of the FDD cell；The uplink treatment process includes: main plot in the L1 module and each auxiliary Cell handles uplink main carrier and PRACH, PUCCH and Physical Uplink Shared Channel PUSCH in each upstream auxiliary carriers respectively Baseband signal, and obtained data are separately sent to the main plot and the corresponding memory block of each secondary cell of L2 module, institute Stating data includes the transmission block TB on ascending control information UCI and PUSCH on detected PRACH, PUCCH.

5. according to the method described in claim 4, it is characterized in that, the uplink treatment process further comprises: the L2 mould The processing of media access control MAC layer in the example of main plot, the processing of radio link layer control RLC and packet data convergence in block The processing that PDCP layers of agreement.

6. according to the method described in claim 5, it is characterized in that, the processing of the MAC layer include: processing to PRACH, it is right The processing of PUCCH and processing to PUSCH；

The processing to PRACH includes:

In the PRACH that the uplink scheduling module of the MAC layer detects in the memory block of each cell in the L2 module really The PRACH for needing to respond calmly, the PRACH that the needs respond are the PRACH detected in same sub-frame of uplink, the MAC layer Uplink scheduling module to it is each need respond PRACH distribution for UE send MSG3 PDCCH and PUSCH resource；For It is successfully assigned with each PRACH of MSG3 resource, then indicating downlink scheduler module gives these to the uplink scheduling module of the MAC layer PRACH distributes PDCCH the and PDSCH resource for sending RAR；

The descending scheduling module of the MAC layer is distributed according to the instruction of the MAC layer uplink scheduling module for sending RAR's PDCCH and PDSCH resource；If being successfully assigned with RAR resource, the MSG3 resource of RAR resource allocation information and each PRACH are matched Confidence ceases the main plot for being handed down to the L1 module；

The RAR resource allocation information include the upper DCI of PDCCH configuration information, PDCCH for sending random access response and PDSCH configuration information；

The MSG3 resource allocation information of each PRACH includes the upper DCI of PDCCH configuration information, PDCCH for sending MSG3 And the TB in the RAR resource allocation information on PDSCH；TB in the RAR resource allocation information on PDSCH is by each quilt The corresponding training sequence Preamble subscript of the PRACH of response, uplink authorization information and Temporary C-RNTI are constituted；Its In, each corresponding uplink authorization information of PRACH responded is the UE transmission carrying MSG3 for sending the PRACH responded The scheduling information of PUSCH, Temporary C-RNTI are used to identify the UE of transmission MSG3；

The processing to PUCCH includes:

UCI on PUCCH is for carrying ACK/NACK information and/or channel quality indicator CQI information；

When the UCI on PUCCH carries ACK/NACK information, if the information is nack message, under the MAC layer instruction Row scheduler module is the TB on the PDSCH not being properly received by UE, dispatches the PDSCH resource for retransmitting the TB；If should Information is ACK information, then the MAC layer sets the hybrid automatic repeat-request HARQ process occupied of TB on corresponding PDSCH to Free time, the process can be used for transmitting subsequent TB；

When the UCI on PUCCH carries CQI information, when UE of the downlink scheduler module to each cell carries out descending scheduling, The CQI information for reading the UE that MAC layer saves in the corresponding affiliated subdistrict UE, based on the wireless channel for the UE that the CQI information determines Quality is scheduled；

The processing to PUSCH includes:

When TB decoding is correct on PUSCH, corresponding HARQ process is arranged to the free time by MAC layer, and parses the TB, obtains MAC Service Data Unit MAC SDU or/and MAC Control Element MAC CE；The MAC layer solution parsing MAC CE is obtained from corresponding UE's Control information simultaneously saves the information；MAC SDU is given rlc layer corresponding RLC reality by the MAC layer by respective logical channels Body；

When TB decoding error on PUSCH, if the number of retransmissions of the TB not up to presets maximum retransmission and using adaptive When should retransmit, the MAC layer instruction uplink scheduling module is to TB scheduling PDSCH resource to retransmit the TB；

When TB decoding is correct on PUSCH, the MAC layer generates ACK information；Otherwise, MAC layer generates nack message；The MAC Layer is by the ACK/NACK information of TB on PUSCH and the money for the physical mixed automatic re-transmission indicating channel PHICH for feeding back the information Source subscript is handed down to the main plot of the L1 module；

The main plot of the L1 module is encoded and is modulated to ACK/NACK information, is then passed through according to PHICH resource subscript Modulated information is fed back to UE by corresponding PHICH channel；

The processing of the rlc layer includes:

Rlc layer MAC SDU of the corresponding RLC entity handles from respective logical channels, obtains RLC SDU；If the RLC SDU From control channel, then the RLC SDU is RRC information, and corresponding RLC SDU is uploaded to rrc layer by RLC entity；

If the RLC SDU comes from Traffic Channel, corresponding RLC SDU is uploaded in PDCP layers accordingly by RLC entity PDCP entity；

PDCP layers of the processing includes:

Corresponding RLC SDU of the PDCP entity handles from corresponding RLC entity, obtains PDCP SDU, the PDCP in PDCP layers SDU will be carried by evolved packet system EPS corresponding on S1 interface and is transferred to gateway S-GW；

The processing of the rrc layer includes:

The corresponding RRC information of rrc layer processing, and corresponding process is executed according to the type of message.

7. the method according to claim 1, wherein further comprising after the step c: the eNodeB Execute the downlink processing process of the FDD cell；The downlink processing process includes: the processing of control plane and the place in user face Reason；

The processing of the control plane includes: Master Information Block MIB, system information block SIB, paging message and the dedicated control signaling of UE Processing；Wherein, the treatment process of described MIB, SIB and paging message includes:

Described MIB, SIB and paging message correspond to RLC entity different in main plot in L2 module；Main plot will in L3 module MIB, SIB and paging message are placed into position different in the memory block of main plot in L2 module；

The MIB/SIB/ paging message corresponding RLC entity main plot from the L2 module is deposited in main plot in the L2 module MIB/SIB/ paging message is taken out in corresponding position in storage area, carries out respective handling, obtains RLC PDU, and by patrolling accordingly Collect the MAC layer that RLC PDU is sent to cell by channel；MIB and SIB corresponds to different BCCH channel of broadcast control, paging message pair Answer paging control channel (PCCH).

The corresponding BCCH of the MIB is mapped on BCH, is sent eventually by Physical Broadcast Channel PBCH；The time-frequency that PBCH is occupied Resource is fixed；The BCCH and PCCH for carrying each SIB are mapped on different DSCH Downlink Shared Channel DL-SCH, eventually by difference PDSCH send；The MAC layer of main plot obtains MIB from corresponding BCCH, and MIB is sent to L1 module by broadcast channel BCH Main plot；

The descending scheduling module of MAC layer executes treatment process in main plot, which includes: the descending scheduling module point The BCCH of SIB and the PCCH distribution PDCCH and PDSCH resource of bearing call message Gei not be carried, and PDCCH is matched into confidence The configuration information of breath, the DCI information on PDCCH and PDSCH is handed down to the main plot of the L1 module, which is PDSCH Scheduling information；After to BCCH and PCCH scheduling resource, the MAC layer of descending scheduling module instruction main plot is by coming from RLC PDU on BCCH/PCCH assembles MAC PDU；MAC PDU on different logic channels is passed through under different DL-SCH Issue the main plot of the L1 module；

PDCCH corresponding for BCCH and PDSCH, main plot carries out channel coding to DCI on PDCCH and adjusts in the L1 module System is obtained the CRC of 16 bits by the DCI, is scrambled with SI-RNTI to the CRC, so when carrying out channel coding to DCI The subsequent processing and symbol-modulated for executing channel coding afterwards, symbol stream is mapped on PDCCH, then passes through main plot downlink Carrier wave sends system information-scrambled PDCCH of radio network temporary identifier SI-RNTI；The main plot of the L1 module is to DL- The upper MAC PDU of SCH carries out channel coding and modulation, when carrying out channel coding to MAC PDU, obtains 16 bits by MAC PDU CRC, the CRC is scrambled with SI-RNTI, then execute channel coding subsequent processing and symbol-modulated, by symbol Stream is mapped on PDSCH, and the scrambled PDSCH of SI-RNTI is then sent to UE by the descending carrier of main plot；

PDCCH corresponding for PCCH and PDSCH, in the L1 module main plot to the DCI on PDCCH carry out channel coding with Modulation is obtained the CRC of 16 bits by the DCI, is scrambled with P-RNTI to the CRC when carrying out channel coding to DCI, Then the subsequent processing and symbol-modulated for executing channel coding, symbol stream is mapped on PDCCH, then by under main plot Row carrier wave sends paging information-scrambled PDCCH of grid temporary identifier P-RNTI；The main plot of the L1 module is to DL- The upper MAC PDU of SCH carries out channel coding and modulation, when carrying out channel coding to MAC PDU, obtains 16 bits by MAC PDU CRC, the CRC is scrambled with P-RNTI, then execute channel coding subsequent processing and symbol-modulated, by symbol stream It is mapped on PDSCH, the scrambled PDSCH of P-RNTI is then sent to by UE by the descending carrier of main plot；

The processing of the dedicated control signaling of the UE includes:

The corresponding RLC entity of the dedicated control signaling of the UE, the RLC entity using dedicated control signaling as RLC SDU into Row processing, obtains RLC PDU, RLC PDU is sent to MAC layer by corresponding logic channel DCCH；

The descending scheduling module of MAC layer is scheduled UE in each cell in the main plot；When dispatching a UE, it is based on Downlink data total amount on each logic channel of the UE distributes PDSCH resource to UE；There is downlink on priority scheduling DCCH simultaneously Data need the UE transmitted；

As one UE of successful dispatch, by matching for configuration information, the PDCCH upper DCI and PDSCH for distributing to the PDCCH of the UE Confidence ceases the main plot for being handed down to the L1 module；Meanwhile descending scheduling module indicates the MAC layer of the place UE cell by the UE Each logic channel on data assembling MAC PDU；Wherein, preferentially using the MAC SDU group on high priority logic channel Medium Access Control (MAC) Protocol Data Unit MAC PDU is filled, which is the TB of physical layer；By corresponding transmission channel DL-SCH by MAC PDU is handed down to the main plot of the L1 module；

Main plot carries out channel coding and modulation to DCI on PDCCH in the L1 module, symbol stream is mapped on PDCCH, so Detection cell-scrambled PDCCH of radio network temporary identifier C-RNTI is sent by main plot descending carrier afterwards；The L1 module Main plot on DL-SCH MAC PDU carry out channel coding and modulation, symbol stream is mapped on PDSCH, master is then passed through The scrambled PDSCH of C-RNTI is sent to UE by the descending carrier of cell；

The processing in the user face includes:

For the downlink DRB established in a cell, which has corresponding PDCP in the L2 module in corresponding cell Entity and RLC entity and corresponding logic channel DTCH, transmission channel DL-SCH and physical channel PDSCH；

PDCP SDU on the DRB passes through corresponding PDCP entity handles, obtains PDCP PDU；Corresponding RLC entity pair PDCP PDU is handled, and RLC PDU is obtained；The RLC PDU gives the MAC of cell by corresponding logic channel DTCH Layer；

The descending scheduling module of main plot is responsible for being scheduled the UE of all cells in the L2 module；For what is be scheduled UE, descending scheduling module send the upper DCI and PDSCH configuration information of the PDCCH configuration information, the PDCCH that distribute to the UE to The memory block of main plot in the L1 module；

For scheduled UE, descending scheduling module indicates the MAC layer of cell belonging to the UE by each DRB of the UE and each RLC PDU over-assemble MAC PDU on the corresponding each logic channel of a SRB, and MAC PDU is given by corresponding DL-SCH The memory block of main plot into L1 module；

The main plot of the L1 module carries out channel coding and modulation to DCI, and the symbol stream that modulation obtains is mapped to PDCCH On, the scrambled PDCCH of C-RNTI is sent to UE by the descending carrier of main plot；

The main plot of the L1 module carries out channel coding and modulation to TB, and symbol stream is mapped on PDSCH, main plot is passed through Descending carrier send the scrambled PDSCH of C-RNTI to UE.

8. the method according to claim 1, wherein further comprising: user equipment (UE) after the step c The realization process of random access is initiated in main plot；The process includes:

X1, UE send MSG1 to the eNodeB；

X2, the eNodeB send MSG2 according to the MSG1, Xiang Suoshu UE；

X3, the UE send MSG3 according to the MSG2, Xiang Suoshu eNodeB；

X4, the eNodeB send MSG4 according to the MSG3, Xiang Suoshu UE；

X5, the UE handle the MSG4 received.

9. according to the method described in claim 8, it is characterized in that, the step x1 includes:

The UE obtains PRACH resource allocation information on uplink main carrier according to the system message of cell, according to the PRACH resource Configuration information sends MSG1 on uplink main carrier.

10. according to the method described in claim 8, it is characterized in that, the step x2 includes:

After main plot in the L1 module detects the PRACH that the UE is sent, which is reported to the L2 module In main plot；

Selection needs to respond in the PRACH that the uplink scheduling module of main plot detects in each cell in the L2 module PRACH distributes PUSCH resource for each PRACH for needing to respond, and the UE for sending corresponding PRACH sends MSG3, and indicates The descending scheduling module of main plot is successfully to be assigned with the resource of each PRACH distribution transmission RAR of MSG3 resource in L2 module；

The descending scheduling module of main plot is according to the finger of the uplink scheduling module of main plot in the L2 module in the L2 module It is shown as the PRACH distribution PDCCH resource and PDSCH resource of all responses, for sending the random access response of these PRACH, And PDCCH configuration information, the upper DCI information of PDCCH and PDSCH configuration information are handed down to main plot in the L1 module；Wherein, The upper DCI information of PDCCH is the scheduling information of PDSCH, receives PDSCH for UE；

The MAC layer of main plot generates random access according to the corresponding PUSCH resource of PRACH of each response and rings in the L2 module MAC PDU is answered, and random access response MAC PDU is handed down to main plot in the L1 module；The MAC PDU is on PDSCH TB；The relevant information of the PRACH of each response is carried on the MAC PDU；For each PRACH responded, the PRACH's Relevant information includes: the subscript, uplink authorization information and the UE for distributing to the transmission PRACH for the preamble that the PRACH is used Temporary C-RNTI, the uplink authorization information be the PRACH it is corresponding carrying MSG3 PUSCH configuration information；

Main plot is directed to DCI information, the random access response MAC PDU on the PDCCH received in the L1 module, Corresponding treatment process is executed, which includes:

Channel coding and modulation are carried out to DCI information on PDCCH, and in the L1 module on the descending carrier of main plot, it will It modulates obtained symbol stream and UE is sent to by the scrambled PDCCH of RA-RNTI；

Channel coding and modulation are carried out to the MAC PDU on PDSCH, and in the L1 module on the descending carrier of main plot, The symbol stream that modulation obtains is sent to UE by the scrambled PDSCH of RA-RNTI.

11. according to the method described in claim 8, it is characterized in that, the step x3 includes:

The UE receives RA- after the descending carrier of main plot detects the scrambled PDCCH of RA-RNTI, in same subframe The scrambled PDSCH of RNTI extracts the corresponding uplink authorization information of PRACH transmitted by the UE and Temporary from the PDSCH C-RNTI；According to uplink authorization information on the transmission of uplink the main carrier scrambled PUSCH of Temporary C-RNTI, the PUSCH MSG3 is carried, the MSG3 is that request message is established in RRC connection.

12. according to the method described in claim 8, it is characterized in that, the step x4 includes:

The main plot detection scrambled PUSCH of Temporary C-RNTI, will translate on detected PUSCH in the L1 module The TB that code obtains is reported to main plot in the L2 module；

The MAC layer of main plot extracts MAC SDU from the TB in the L2 module, reports corresponding RLC entity, the RLC Obtained RLC SDU is reported main plot in the L3 module by entity, and the RLC SDU carries the RRC connection and establishes request Message；

The rrc layer of main plot in RLC SDU from obtaining after the RRC connection establishes request message in the L3 module, for institute It states UE and establishes Signaling Radio Bearer SRB, and the RRC connection established into message as RLC SDU be sent to master in L2 module and is small The configuration information that message carries SRB is established in the corresponding RLC entity in area, the RRC connection；

In the L2 module descending scheduling module of main plot to the RLC physically RLC SDU distribution PDCCH resource and PDSCH resource, and PDCCH configuration information, the upper DCI information of PDCCH and PDSCH configuration information are handed down to master in the L1 module Cell；Wherein, the scheduling information that DCI information is PDSCH on the PDCCH；The descending scheduling mould of main plot in the L2 module For block after to the RLC entity allocating resources, instruction MAC layer assembles MAC PDU by the RLC SDU of the RLC physically； The MAC PDU is the TB on PDSCH；UE Contend resolution ID MAC CE is carried in the MAC PDU；Wherein, Contend resolution ID MAC CE is made of preceding 48 bit in the corresponding MAC SDU of MSG3；

In the L1 module main plot according to the PDCCH configuration information, the upper DCI information of PDCCH, PDSCH configuration information and The MAC PDU of the RLC SDU assembling, executes corresponding processing；Wherein, which includes: to DCI information on the PDCCH Channel coding and modulation are carried out, the symbol stream that modulation obtains is sent to UE by the scrambled PDCCH of Temporary C-RNTI； Channel coding and modulation are carried out to the TB on the PDSCH, the symbol stream that modulation obtains is added by Temporary C-RNTI The PDSCH disturbed is sent to UE.

13. according to the method described in claim 8, it is characterized in that, the step x5 includes:

The UE receives the scrambled PDCCH of Temporary C-RNTI on uplink main carrier, and receives in same subframe The scrambled PDSCH of Temporary C-RNTI；MAC layer processing is carried out to the TB of PDSCH, obtains MAC SDU and UE resolution ID MAC CE；

If the information MAC corresponding with the MSG3 that foregoing description UE is sent in the UE resolution ID MAC CE Preceding 48 bit is not identical in SDU, then the MAC layer of the UE abandons MAC SDU obtained, and current random access procedure loses It loses；If the information MAC SDU corresponding with the MSG3 that foregoing description UE is sent in the UE resolution ID MAC CE In preceding 48 bit it is identical, then the MAC SDU is sent to corresponding RLC entity by the MAC layer of the UE；

The RLC SDU that processing obtains is reported rrc layer by the RLC entity；

The rrc layer extracts RRC connection from RLC SDU and establishes message；Message is established according to the RRC connection to execute accordingly Configuration, and C-RNTI is arranged to Temporary C-RNTI, delete Temporary C-RNTI；

The rrc layer generates RRC connection setup complete message, which carries NAS message, the NAS It include business application information and UE ability information in message；It is included at least in the ability information of UE: the special FDD/TDD that UE is supported The band information of cell；

The UE sends SR by the scheduling request SR resource on the PUCCH of distribution on uplink main carrier, to apply for uplink Resource, and monitor with the scrambled PDCCH of C-RNTI；If detecting corresponding PDCCH, according to the tune of PUSCH on the PDCCH Information is spent, the UE sends RRC connection setup complete message to main plot on the up-link carrier of main plot.

14. the method according to claim 1, wherein further comprising after the step c:

Y, the main plot of the L3 module is believed according to the frequency band of the UE extracted from UE capabilities message the special FDD cell supported Breath, determine in the special FDD cell in each up-link carrier UE support up-link carrier, when the UE support it is each It include that at least one upstream auxiliary carriers and the L3 module determine and configure one of them described upstream auxiliary carriers in up-link carrier After UE, the main plot of the L3 module by sending RRC connection reconfiguration message to UE, triggering by the UE up direction from Uplink main carrier switches to upstream auxiliary carriers.

15. according to the method for claim 14, which is characterized in that the step y includes:

The ability information that the main plot of the L3 module is reported according to UE knows each upstream auxiliary carriers that UE is supported, and really It is fixed that the uplink of the UE is switched in one of upstream auxiliary carriers；Wherein, the ability information includes the special of UE support The band information of FDD/TDD cell；

UE is bound the main plot of the L3 module with secondary cell corresponding in L3 module；Wherein, the up-link carrier of the secondary cell The upstream auxiliary carriers for switching to the uplink of the UE determined for the main plot of the L3 module；It is carried in the uplink of the secondary cell Ascending resource is redistributed to UE on wave, comprising: PRACH resource, PUCCH resource and SRS resource；For small in L3 master before UE These are carried in the L3 module in the configuration information of main plot and L2 module and lead by each DRB and each SRB that area establishes The configuration information of cell is bound with secondary cell corresponding in L3 module and L2 module respectively；

The main plot of the L3 module is by the bandwidth of corresponding upstream auxiliary carriers and the uplink and downlink resource for distributing to UE Configuration information is sent to UE by RRC connection reconfiguration message；

UE refreshes the ascending resource configuration of the side UE according to uplink and downlink resource allocation information in the RRC connection reconfiguration message Information and downlink resource configuration information, and on the uplink main carrier of main plot, it returns to RRC connection reconfiguration and completes message to master Cell；

After the main plot of the L3 module receives the RRC reconfiguration completion message, resource distribution of the release UE in main plot Information；Later, the uplink of UE is sent in upstream auxiliary carriers execution, and downlink reception is still on the descending carrier of main plot and executes.

16. the method according to claim 1, wherein further comprising after the step c:

The descending scheduling module of main plot MAC layer realizes descending scheduling treatment process, descending scheduling processing in the L2 module Process includes:

According to the instruction of uplink scheduling module, the PRACH to need to respond in main plot and all secondary cells distribute PDCCH and PDSCH resource is to send RAR；

PDCCH and PDSCH resource is distributed for the common control information of special FDD/TDD cell；The public control of the cell Information includes: MIB, SIB and paging message；Resource is distributed to these information respectively, and ensures described MIB, SIB and paging message It cannot be multiplexed together；

For UE each in main plot and each secondary cell distribution PDCCH and PDSCH resource, on each downlink DRB to transmit UE Data and downlink SRB on data.

17. the method according to claim 1, wherein further comprising after the step c:

The uplink scheduling module of main plot MAC layer realizes uplink scheduling treatment process, uplink scheduling processing in the L2 module Process includes:

The PRACH for needing to respond is determined in the PRACH detected in main plot and all secondary cells, is distinguished to these PRACH PDCCH resource and PUSCH resource are distributed, so that corresponding UE sends MSG3；

Each UE in respectively each cell distributes PDCCH and PUSCH resource；UE in different community is located at different uplinks On carrier wave；When dispatching UE, PUSCH resource is distributed to UE according to the bandwidth of the up-link carrier where UE, and in scheduling information Carry up-link carrier mark.