CN103812621A - Method and device for sending HARQ (Hybrid Automatic Repeat Request) coded information based on TDD (Time Division Duplexing) configuration 2 - Google Patents

Abstract

The invention provides a method and a device for sending HARQ (Hybrid Automatic Repeat Request) coded information based on TDD (Time Division Duplexing) configuration 2. The method for sending the HARQ coded information based on the TDD configuration 2 comprises performing matching inquiring in an HARQ mapping table according to transmission state information of down links from eNB to user equipment to obtain a corresponding PUCCH (Physical Uplink Control Channel) parameter and HARQ encoding information; calculating a PUCCH parameter assignment which is corresponding to the PUCCH parameter according to the PUCCH parameter and in combination with resource relevant information of the user equipment; sending the HARQ encoding information to the eNB according to a corresponding resource position of the PUCCH parameter assignment in a target resource block and based on an information format which is corresponding to the TDD configuration 2. The target resource block is reused to send the user equipment to a CQI (Channel Quality Indicator) of the eNB. Compared with the prior art, the method for sending the HARQ coded information based on the TDD configuration 2 solves the problem that the prior art is lack of ACK (Acknowledgement) /NACK (Negative Acknowledgement) and increases the HARQ feedback accuracy when CQI/PMI (Precoding Matrix Indicator)/RI (Rank Indicator)/SR (Scheduling Request) and ACK/NACK are reused.

Description

A kind of method and apparatus that sends HARQ coded message based on TDD configuration 2

Technical field

The present invention relates to communication technical field, relate in particular to a kind of for based on TDD (Time Division Duplexing, time division duplex) configuration 2 sends the technology of HARQ (Hybrid Automatic Repeat Request, mixed automatic retransfer request) coded messages.

Background technology

In TDD LTE, not necessarily symmetrical between up-downgoing.In configuration at descending sub frame more than sub-frame of uplink, there will be the situation that simultaneously reports the HARQ of multiple descending sub frames in a sub-frame of uplink.In a sub-frame of uplink, report the number of HARQ to depend on the configuration of LTE up-downgoing and descending MIMO pattern.By the configuration on upper strata, LTE TDD supports the ascending HARQ report of two kinds of patterns: (1) ACK (Acknowledgement, affirmative acknowledgement)/NACK (Negative Acknowledgement, negative response) binds (Bundling).Multiple ACK/NACK generate the ACK (or NACK) of a position in sub-frame of uplink by logic and operation, logic and operation is to carry out for (Multiple-Input Multiple-Output, the multiple-input, multiple-output) code words of the each MIMO in descending sub frame (Codeword).For the situation of two code words in spatial reuse, can in sub-frame of uplink, generate the ACK/NACK of two positions.(2) ACK/NACK multiplexing (Multiplexing).ACK/NACK multiplexer mode allows the ACK (or NACK) of maximum four descending sub frames to be multiplexed into together.

Under normal circumstances, subscriber equipment sends CQI (Channel Quality Indicator by independent resource, channel quality indication)/PMI (Precoding Matrix Indicator, pre-coding matrix indication)/RI (Rank Indicator, grade indication)/SR (Scheduling Request, dispatch request), and ACK/NACK.And when carrying out when multiplexing, subscriber equipment sends ACK/NACK information on the resource location that sends CQI/PMI/RI/SR information, as defined in 3GPP 36.213.To TDD, when subscriber equipment is under multiplexer mode,

information will be lost, and eNB only knows that how many subscriber equipmenies have fed back how many ACK or NACK, but unclear concrete which subframe corresponding A CK, the corresponding NACK of which subframe, this will affect eNB and process re-transmission.ENB supposes that HARQ is NACK or is ACK conventionally.If there is a NACK, eNB will retransmit all message.This processing mode can not accurately be processed HARQ, is not suitable for tdd mode.

Summary of the invention

The object of this invention is to provide a kind of for send the method and apparatus of HARQ coded message based on TDD configuration 2.

According to an aspect of the present invention, provide a kind of at subscriber equipment end for send the method for HARQ coded messages based on TDD configuration 2, wherein, the method comprises the following steps:

A is the downlink transmission state information to subscriber equipment according to eNB, carries out matching inquiry in HARQ mapping table, to obtain corresponding PUCCH parameter and HARQ coded message;

B is according to described PUCCH parameter, and in conjunction with the resource related information of described subscriber equipment, calculates the corresponding PUCCH parameter of described PUCCH parameter assignment;

C is the resource location at target resource piece according to described PUCCH parameter assignment correspondence, configure 2 corresponding information formats based on TDD, described HARQ coded message is sent to described eNB, and wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.

According to another aspect of the present invention, also provide a kind of method that receives HARQ coded messages based on TDD configuration 2 for auxiliary of holding at eNB, wherein, the method comprises the following steps:

A is according to being received from HARQ coded message that subscriber equipment the sends resource location at target resource piece, and in conjunction with described HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB;

B, according to described downlink transmission state information, sends the message corresponding with described downlink transmission state information to described subscriber equipment.

According to a further aspect of the invention, also provide a kind of for send the subscriber equipment of HARQ coded message based on TDD configuration 2, wherein, this subscriber equipment comprises:

The first inquiry unit for the downlink transmission state information to subscriber equipment according to eNB, carries out matching inquiry in HARQ mapping table, to obtain corresponding PUCCH parameter and HARQ coded message;

Assignment calculation element, for according to described PUCCH parameter, and in conjunction with the resource related information of described subscriber equipment, calculates the corresponding PUCCH parameter of described PUCCH parameter assignment;

The first dispensing device, for the resource location at target resource piece according to described PUCCH parameter assignment correspondence, configure 2 corresponding information formats based on TDD, described HARQ coded message is sent to described eNB, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.

According to a further aspect of the invention, also provide a kind of for the auxiliary eNB that receives HARQ coded message based on TDD configuration 2, wherein, this eNB comprises:

The second inquiry unit, for according to being received from HARQ coded message that subscriber equipment the sends resource location at target resource piece, and in conjunction with described HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB;

The second dispensing device, for according to described downlink transmission state information, sends the message corresponding with described downlink transmission state information to described subscriber equipment.

According to a further aspect of the invention, also provide a kind of for configure the system of 2 sending/receiving HARQ coded messages based on TDD, comprised subscriber equipment described above and eNB described above.

Compared with prior art, the present invention, in tdd mode, when CQI/PMI/RI/SR and ACK/NACK are when multiplexing, has solved the problem of the ACK/NACK disappearance existing in prior art, has increased the accuracy of HARQ feedback.

Accompanying drawing explanation

By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:

Fig. 1 illustrate according to one aspect of the invention for send the method flow diagram of HARQ coded messages based on TDD configuration 2;

Fig. 2 illustrate in accordance with a preferred embodiment of the present invention for send the schematic diagram of HARQ coded messages based on TDD configuration 2;

Fig. 3 illustrate according to another preferred embodiment of the present invention for send the schematic diagram of HARQ coded messages based on TDD configuration 2;

Fig. 4 illustrate according to one aspect of the invention for send the equipment schematic diagram of HARQ coded messages based on TDD configuration 2.

In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.

Embodiment

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Fig. 1 illustrate according to one aspect of the invention for send the method flow diagram of HARQ coded messages based on TDD configuration 2.

In step S101, subscriber equipment 1 is the downlink transmission state information to subscriber equipment according to eNB, carries out matching inquiry in HARQ mapping table, to obtain corresponding PUCCH parameter and HARQ coded message.Particularly, in TDD LTE, not necessarily symmetrical between uplink downlink, in the configuration at descending sub frame more than sub-frame of uplink, there will be the situation that simultaneously reports the HARQ of multiple descending sub frames in a sub-frame of uplink.In TDD configuration 2, four corresponding uplink sub-frames of downlink subframe, for these four from eNB the downlink subframe to subscriber equipment, subscriber equipment 1 has corresponding transmitting state information, as affirmative acknowledgement (ACK, Acknowledgment), represent that eNB sends to the data of subscriber equipment 1 to be confirmed to receive by correct in this downlink subframe, negative response (NACK, Negative acknowledgment), thus represent that eNB sends to wrong needs of data receiver of subscriber equipment 1 to retransmit in this downlink subframe.Now, subscriber equipment 1 is distinguished corresponding transmitting state information according to these four downlink subframe, that is, ACK/NACK information is carried out matching inquiry in HARQ mapping table as shown in Figure 2, obtains corresponding PUCCH parameter, that is,

in i, and HARQ coded message, that is, b (0), b (1).

In step S102, subscriber equipment 1 is according to described PUCCH parameter, and in conjunction with the resource related information of described subscriber equipment, calculates the corresponding PUCCH parameter of described PUCCH parameter assignment.Particularly, in step S102, subscriber equipment 1 is according to determined PUCCH parameter in step S101, in conjunction with transmit corresponding Physical Resource Block quantity information such as PUCCH

the piecemeal quantity information that described Physical Resource Block is included

pDCCHCCE index value n _{cCE, i}deng resource related information,

By following formula:

$n_{\mathrm{PUCCH},i}^{\left(2\right)}=N_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2+n_{\mathrm{CCE},i}{\mathrm{ModN}}_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2---\left(1\right)$

Calculate the corresponding PUCCH parameter of this PUCCH parameter assignment

For example, suppose to can be used in each time slot the Physical Resource Block number of PUCCH form 2/2a/2b transmission

be 2, the piecemeal quantity information that each Physical Resource Block is included

be 12, base station is in downlink subframe 3, 4, in 5 and 6, send data to subscriber equipment 1, PDCCH CCE index value is respectively 8, 12, 20 and 16, and this eNB to four downlink subframe of this subscriber equipment 1 respectively corresponding ACK/NACK information be NACK, NACK, ACK, NACK, , subframe 3, 4 and 6 corresponding nack messages, subframe 5 corresponding A CK information, in step S101, subscriber equipment 1 is according to above-mentioned downlink transmission state information, in HARQ mapping table, carry out matching inquiry, obtaining corresponding PUCCH parameter i is 3, HARQ coded message is b (0), b (1)=(1, 0), subsequently, in step S102, subscriber equipment 1 is 3 according to PUCCH parameter i, determines this PDCCH CCE index value n _{cCE, i}be 20, and then, according to above-mentioned formula (1), calculate and obtain PUCCH parameter assignment

In step S103, subscriber equipment 1 is the resource location at target resource piece according to described PUCCH parameter assignment correspondence, configure 2 corresponding information formats based on TDD, described HARQ coded message is sent to described eNB, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.Particularly, in step S103, subscriber equipment 1 is according to calculate the PUCCH parameter assignment obtaining in step S102, determine the resource location of this PUCCH parameter assignment correspondence at target resource piece, on this resource location, configure 2 corresponding information formats based on TDD, for example, PUCCH form 2b, by HARQ coded message b (0) definite in step S101, b (1) is sent to this eNB, this HARQ coded message for example can be encoded with the coded system of being scheduled to CQI, , this HARQ coded message and this CQI are carried out multiplexing, be sent to together again this eNB.Connect example, in step S102, subscriber equipment 1 calculates and obtains PUCCH parameter assignment is 16,, in step S103, subscriber equipment 1 is according to this 16 corresponding resource location, by HARQ coded message b (0), b (1)=(1,0) is sent to this eNB.

At this, owing to adopting TDD technology, a Physical Resource Block is to there being multiple subscriber equipmenies, and according to this PUCCH parameter assignment, this subscriber equipment 1 can be determined for transmitting this HARQ coded message b (0), the resource location of b (1).

Accordingly, hold at eNB, in step S104, eNB is according to being received from HARQ coded message that subscriber equipment the sends resource location at target resource piece, and in conjunction with described HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.Particularly, in step S104, eNB for example detects on this subscriber equipment 1 may send four resource locations of information, in the time transfer of data having been detected, receive these data, as HARQ coded message, determine the corresponding resource location of this transfer of data simultaneously, and then, according to this resource location, and in conjunction with this HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment.At this, subscriber equipment end for example can be encoded this HARQ coded message and CQI with the coded system of being scheduled to, that is, this HARQ coded message and this CQI are carried out multiplexing, then is sent to together this eNB; Accordingly, this eNB decodes to the multiplexed information receiving with corresponding decoding process, and obtains this HARQ coded message.

For example, in step S104, eNB may send at this subscriber equipment 1 on four resource locations of information and detect, detect on resource location 3 and have transfer of data, by on this resource location 3 transmission data as HARQ coded message, as b (0), b (1)=(1, 0), and then, according to this resource location i=3, and in conjunction with this HARQ coded message b (0), b (1)=(1, 0), in HARQ mapping table as shown in Figure 2, carry out matching inquiry, obtain the downlink transmission state information of eNB to subscriber equipment, , NACK, NACK, ACK, NACK.

In step S105, eNB, according to described downlink transmission state information, sends the message corresponding with described downlink transmission state information to described subscriber equipment.Particularly, in step S105, eNB is according to downlink transmission state information definite in step S104, send the message corresponding with this downlink transmission state information to corresponding subscriber equipment, for example, when this downlink transmission state information comprises ACK information, in step S105, this eNB sends new message to this subscriber equipment in the corresponding subframe of this ACK information; When this downlink transmission state information comprises nack message, in step S105, this eNB retransmits the corresponding origination message of this nack message to this subscriber equipment in the corresponding subframe of this nack message.

Connect example, in step S104, eNB determines that the downlink transmission state information of this subscriber equipment feedback is NACK, NACK, ACK, NACK, take time slot into consideration, in the corresponding subframe 9 of ACK information, send new message, in the corresponding subframe 6,8 and 0 of nack message, retransmit the corresponding origination message of this nack message, as shown in Figure 3.

At this, core concept of the present invention is by increasing dynamic CQI resource information and b (0), and b (1) represents HARQ feedback.In similar PUCCH form 1a and 1b, dynamic by combining

and b (0), b (1) represents specific ACK/NACK information to the PDSCH having distributed.When HARQ feedback model is configured to multiplexer mode, dynamically

selected according to down link CCE information.In each time slot, can be used for the Physical Resource Block number of PUCCH form 2/2a/2b transmission

be divided into two parts.One of them part is for PUCCH form 2/2a, for not carrying out multiplexing ACK and CQI a subframe; Another is for PUCCH form 2b,

calculate based on down link CCE information.Like this,

and b (0), b (1) can be used to multiplexing ACK/NACK information in detail together.

To PUCCH form 2a:

configured by upper strata RRC (Radio Resource Control, Radio Resource control) message;

To PUCCH form 2b: can be according to formula $n_{\mathrm{PUCCH},i}^{\left(2\right)}=N_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2+n_{\mathrm{CCE},i}{\mathrm{ModN}}_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2$ Calculate, it is relevant to the CCE index of PDCCH.

Preferably, the method also comprises step S106 (not shown), and in this step S106, eNB is according to PUCCH candidate parameter and HARQ candidate code information, sets up or upgrades described HARQ mapping table; By with upgrade after the corresponding lastest imformation of described HARQ mapping table be sent to described subscriber equipment, to synchronize described HARQ mapping table with described subscriber equipment.For example, consider the problems such as fail safe, eNB can regularly or answer Event triggered ground, and the HARQ mapping table on it is upgraded, and for example, upgrades HARQ coded message b (0), the specific coding mode of b (1); Subsequently, this eNB can be sent to this subscriber equipment 1 by the lastest imformation corresponding with described HARQ mapping table after this renewal, as directly the HARQ mapping table after this renewal being sent to this subscriber equipment 1, or, only vicissitudinous more new portion in this HARQ mapping table is sent to this subscriber equipment 1, to make this subscriber equipment 1 synchronize this HARQ mapping table with this eNB.

Accordingly, at subscriber equipment end, in step S107 (not shown), subscriber equipment 1 be received from eNB send for upgrading the lastest imformation of described HARQ mapping table; According to described lastest imformation, upgrade described HARQ mapping table, to synchronize described HARQ mapping table with described eNB.For example, in step S107, subscriber equipment 1 is received from this eNB and sends the HARQ mapping table after upgrading, and directly replaces with original HARQ mapping table; Or subscriber equipment 1 is received from vicissitudinous more new portion in this HARQ mapping table that this eNB sends, and upgrades this vicissitudinous more new portion in original HARQ mapping table, to realize and the synchronizeing of HARQ mapping table in this eNB.

Fig. 4 illustrate according to one aspect of the invention for send the equipment schematic diagram of HARQ coded messages based on TDD configuration 2.Subscriber equipment 1 comprises the first inquiry unit 401, assignment calculation element 402 and the first dispensing device 403; ENB comprises the second inquiry unit 404 and the second dispensing device 405.

The first inquiry unit 401 is the downlink transmission state information to subscriber equipment according to eNB, carries out matching inquiry in HARQ mapping table, to obtain corresponding PUCCH parameter and HARQ coded message.Particularly, in TDD LTE, not necessarily symmetrical between uplink downlink, in the configuration at descending sub frame more than sub-frame of uplink, there will be the situation that simultaneously reports the HARQ of multiple descending sub frames in a sub-frame of uplink.In TDD configuration 2, four corresponding uplink sub-frames of downlink subframe, for these four from eNB the downlink subframe to subscriber equipment, subscriber equipment 1 has corresponding transmitting state information, as positive acknowledgement (ACK, positive acknowledgment), represent that eNB sends to the data of subscriber equipment 1 to be confirmed to receive by correct in this downlink subframe, deny determining (NACK, negative acknowledgment), thus represent that eNB sends to wrong needs of data receiver of subscriber equipment 1 to retransmit in this downlink subframe.Now, subscriber equipment 1 is distinguished corresponding transmitting state information according to these four downlink subframe, that is, ACK/NACK information is carried out matching inquiry in HARQ mapping table as shown in Figure 2, obtains corresponding PUCCH parameter, that is,

in i, and HARQ coded message, that is, b (0), b (1).

Assignment calculation element 402 is according to described PUCCH parameter, and in conjunction with the resource related information of described subscriber equipment, calculates the corresponding PUCCH parameter of described PUCCH parameter assignment.Particularly, assignment calculation element 402 is according to the determined PUCCH parameter of the first inquiry unit 401, in conjunction with transmit corresponding Physical Resource Block quantity information such as PUCCH

the piecemeal quantity information that described Physical Resource Block is included pDCCH CCE index value n _{cCE, i}deng resource related information,

By following formula:

$n_{\mathrm{PUCCH},i}^{\left(2\right)}=N_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2+n_{\mathrm{CCE},i}{\mathrm{ModN}}_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2---\left(1\right)$

Calculate the corresponding PUCCH parameter of this PUCCH parameter assignment

For example, suppose to can be used in each time slot the Physical Resource Block number of PUCCH form 2/2a/2b transmission be 2, the piecemeal quantity information that each Physical Resource Block is included

be 12, base station is in downlink subframe 3, 4, in 5 and 6, send data to subscriber equipment 1, PDCCH CCE index value is respectively 8, 12, 20 and 16, and this eNB to four downlink subframe of this subscriber equipment 1 respectively corresponding ACK/NACK information be NACK, NACK, ACK, NACK, , subframe 3, 4 and 6 corresponding nack messages, subframe 5 corresponding A CK information, the first inquiry unit 401 is according to above-mentioned downlink transmission state information, in HARQ mapping table, carry out matching inquiry, obtaining corresponding PUCCH parameter i is 3, HARQ coded message is b (0), b (1)=(1, 0), subsequently, assignment calculation element 402 is 3 according to PUCCH parameter i, determines this PDCCH CCE index value n _{cCE, i}be 20, and then, according to above-mentioned formula (1), calculate and obtain PUCCH parameter assignment $n_{\mathrm{PUCCH},i}^{\left(2\right)}=2*12/2+20\mathrm{MOD}(2*12/2)=16.$

The first dispensing device 403 is the resource location at target resource piece according to described PUCCH parameter assignment correspondence, configure 2 corresponding information formats based on TDD, described HARQ coded message is sent to described eNB, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.Particularly, the first dispensing device 403 calculates the PUCCH parameter assignment obtaining according to assignment calculation element 402, determine the resource location of this PUCCH parameter assignment correspondence at target resource piece, on this resource location, configure 2 corresponding information formats based on TDD, for example, PUCCH form 2b, by HARQ coded message b (0) definite the first inquiry unit 401, b (1) is sent to this eNB, this HARQ coded message for example can be encoded with the coded system of being scheduled to CQI, , this HARQ coded message and this CQI are carried out multiplexing, be sent to together again this eNB.Connect example, assignment calculation element 402 calculates and obtains PUCCH parameter assignment is 16, and the first dispensing device 403 is according to this 16 corresponding resource location, by HARQ coded message b (0), b (1)=(1,0) is sent to this eNB.

At this, owing to adopting TDD technology, a Physical Resource Block is to there being multiple subscriber equipmenies, and according to this PUCCH parameter assignment, this subscriber equipment 1 can be determined for transmitting this HARQ coded message b (0), the resource location of b (1).

Accordingly, hold at eNB, the second inquiry unit 404 is according to being received from HARQ coded message that subscriber equipment the sends resource location at target resource piece, and in conjunction with described HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.Particularly, the second inquiry unit 404 for example detects on this subscriber equipment 1 may send four resource locations of information, in the time transfer of data having been detected, receive these data, as HARQ coded message, determine the corresponding resource location of this transfer of data simultaneously, and then, according to this resource location, and in conjunction with this HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment.At this, subscriber equipment end for example can be encoded this HARQ coded message and CQI with the coded system of being scheduled to, that is, this HARQ coded message and this CQI are carried out multiplexing, then is sent to together this eNB; Accordingly, this eNB decodes to the multiplexed information receiving with corresponding decoding process, and obtains this HARQ coded message.

For example, the second inquiry unit 404 may send at this subscriber equipment 1 on four resource locations of information and detect, detect on resource location 3 and have transfer of data, by on this resource location 3 transmission data as HARQ coded message, as b (0), b (1)=(1, 0), and then, according to this resource location i=3, and in conjunction with this HARQ coded message b (0), b (1)=(1, 0), in HARQ mapping table as shown in Figure 2, carry out matching inquiry, obtain the downlink transmission state information of eNB to subscriber equipment, , NACK, NACK, ACK, NACK.

The second dispensing device 405, according to described downlink transmission state information, sends the message corresponding with described downlink transmission state information to described subscriber equipment.Particularly, the downlink transmission state information that the second dispensing device 405 is definite according to the second inquiry unit 404, send the message corresponding with this downlink transmission state information to corresponding subscriber equipment, for example, when this downlink transmission state information comprises ACK information, the second dispensing device 405 sends new message to this subscriber equipment in the corresponding subframe of this ACK information; When this downlink transmission state information comprises nack message, the second dispensing device 405 retransmits the corresponding origination message of this nack message to this subscriber equipment in the corresponding subframe of this nack message.

Connect example, the second inquiry unit 404 determines that the downlink transmission state information of this subscriber equipment feedback is NACK, NACK, ACK, NACK, take time slot into consideration, in the corresponding subframe 9 of ACK information, send new message, in the corresponding subframe 6,8 and 0 of nack message, retransmit the corresponding origination message of this nack message, as shown in Figure 3.

At this, core concept of the present invention is by increasing dynamic CQI resource information and b (0), and b (1) represents HARQ feedback.In similar PUCCH form 1a and 1b, dynamic by combining

and b (0), b (1) represents specific ACK/NACK information to the PDSCH having distributed.When HARQ feedback model is configured to multiplexer mode, dynamically

selected according to down link CCE information.In each time slot, can be used for the Physical Resource Block number of PUCCH form 2/2a/2b transmission

be divided into two parts.One of them part is for PUCCH form 2/2a, for not carrying out multiplexing ACK and CQI a subframe; Another is for PUCCH form 2b, calculate based on down link CCE information.Like this,

and b (0), b (1) can be used to multiplexing ACK/NACK information in detail together.

To PUCCH form 2a:

configured by upper strata RRC (Radio Resource Control, Radio Resource control) message;

To PUCCH form 2b: can be according to formula $n_{\mathrm{PUCCH},i}^{\left(2\right)}=N_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2+n_{\mathrm{CCE},i}{\mathrm{ModN}}_{\mathrm{RB}}^{\left(2\right)}{N}_{\mathrm{sc}}^{\mathrm{RB}}/2$ Calculate, it is relevant to the CCE index of PDCCH.

Preferably, this eNB also comprises the second updating device (not shown), and this second updating device is according to PUCCH candidate parameter and HARQ candidate code information, sets up or upgrades described HARQ mapping table; By with upgrade after the corresponding lastest imformation of described HARQ mapping table be sent to described subscriber equipment, to synchronize described HARQ mapping table with described subscriber equipment.For example, consider the problems such as fail safe, eNB can regularly or answer Event triggered ground, and the HARQ mapping table on it is upgraded, and for example, upgrades HARQ coded message b (0), the specific coding mode of b (1); Subsequently, this eNB can be sent to this subscriber equipment 1 by the lastest imformation corresponding with described HARQ mapping table after this renewal, as directly the HARQ mapping table after this renewal being sent to this subscriber equipment 1, or, only vicissitudinous more new portion in this HARQ mapping table is sent to this subscriber equipment 1, to make this subscriber equipment 1 synchronize this HARQ mapping table with this eNB.

Accordingly, subscriber equipment 1 also comprises the first updating device (not shown), this first updating device be received from eNB send for upgrading the lastest imformation of described HARQ mapping table; According to described lastest imformation, upgrade described HARQ mapping table, to synchronize described HARQ mapping table with described eNB.For example, the first updating device is received from this eNB and sends the HARQ mapping table after upgrading, and directly replaces with original HARQ mapping table; Or subscriber equipment 1 is received from vicissitudinous more new portion in this HARQ mapping table that this eNB sends, and upgrades this vicissitudinous more new portion in original HARQ mapping table, to realize and the synchronizeing of HARQ mapping table in this eNB.

It should be noted that the present invention can be implemented in the assembly of software and/or software and hardware, for example, can adopt application-specific integrated circuit (ASIC) (ASIC), general object computer or any other similar hardware device to realize.In one embodiment, software program of the present invention can carry out to realize step mentioned above or function by processor.Similarly, software program of the present invention (comprising relevant data structure) can be stored in computer readable recording medium storing program for performing, for example, and RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, steps more of the present invention or function can adopt hardware to realize, for example, thereby as coordinate the circuit of carrying out each step or function with processor.

In addition, a part of the present invention can be applied to computer program, and for example computer program instructions, in the time that it is carried out by computer, by the operation of this computer, can call or provide the method according to this invention and/or technical scheme.And call the program command of method of the present invention, may be stored in fixing or movably in recording medium, and/or be transmitted by the data flow in broadcast or other signal bearing medias, and/or be stored in according in the working storage of the computer equipment of described program command operation.At this, comprise according to one embodiment of present invention a device, this device comprises memory for storing computer program instructions and the processor for execution of program instructions, wherein, in the time that this computer program instructions is carried out by this processor, trigger this device and move based on aforementioned according to the method for multiple embodiment of the present invention and/or technical scheme.

To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to be included in the present invention.Any Reference numeral in claim should be considered as limiting related claim.In addition, obviously other unit or step do not got rid of in " comprising " word, and odd number is not got rid of plural number.Multiple unit of stating in device claim or device also can be realized by software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and does not represent any specific order.

Claims (15)

1. a method that is used for sending based on TDD configuration 2 HARQ coded messages at subscriber equipment end, wherein, the method comprises the following steps:

A is the downlink transmission state information to subscriber equipment according to eNB, carries out matching inquiry in HARQ mapping table, to obtain corresponding PUCCH parameter and HARQ coded message;

B is according to described PUCCH parameter, and in conjunction with the resource related information of described subscriber equipment, calculates the corresponding PUCCH parameter of described PUCCH parameter assignment;

C is the resource location at target resource piece according to described PUCCH parameter assignment correspondence, configure 2 corresponding information formats based on TDD, described HARQ coded message is sent to described eNB, and wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.

2. method according to claim 1, wherein, described resource related information comprises following at least any one:

-PUCCH transmits corresponding Physical Resource Block quantity information;

The piecemeal quantity information that-described Physical Resource Block is included;

-PDCCH CCE index value.

3. method according to claim 1 and 2, wherein, the method also comprises:

-be received from eNB send for upgrading the lastest imformation of described HARQ mapping table;

-according to described lastest imformation, upgrade described HARQ mapping table, to synchronize described HARQ mapping table with described eNB.

4. be used for an auxiliary method that receives HARQ coded messages based on TDD configuration 2 at eNB end, wherein, the method comprises the following steps:

A is according to being received from HARQ coded message that subscriber equipment the sends resource location at target resource piece, and in conjunction with described HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB;

B, according to described downlink transmission state information, sends the message corresponding with described downlink transmission state information to described subscriber equipment.

5. method according to claim 4, wherein, described downlink transmission state information comprises ACK information, wherein, described step B comprises:

-according to described ACK information, in the corresponding subframe of described ACK information, send new message to described subscriber equipment.

6. according to the method described in claim 4 or 5, wherein, described downlink transmission state information comprises nack message, and wherein, described step B also comprises:

-according to described nack message, in the corresponding subframe of described nack message, retransmit the corresponding origination message of described nack message to described subscriber equipment.

7. according to the method described in any one in claim 4 to 6, wherein, the method also comprises:

-according to PUCCH candidate parameter and HARQ candidate code information, set up or upgrade described HARQ mapping table;

-by with upgrade after the corresponding lastest imformation of described HARQ mapping table be sent to described subscriber equipment, to synchronize described HARQ mapping table with described subscriber equipment.

8. for send a subscriber equipment for HARQ coded message based on TDD configuration 2, wherein, this subscriber equipment comprises:

The first inquiry unit for the downlink transmission state information to subscriber equipment according to eNB, carries out matching inquiry in HARQ mapping table, to obtain corresponding PUCCH parameter and HARQ coded message;

Assignment calculation element, for according to described PUCCH parameter, and in conjunction with the resource related information of described subscriber equipment, calculates the corresponding PUCCH parameter of described PUCCH parameter assignment;

The first dispensing device, for the resource location at target resource piece according to described PUCCH parameter assignment correspondence, configure 2 corresponding information formats based on TDD, described HARQ coded message is sent to described eNB, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB.

9. subscriber equipment according to claim 8, wherein, described resource related information comprises following at least any one:

-PUCCH transmits corresponding Physical Resource Block quantity information;

The piecemeal quantity information that-described Physical Resource Block is included;

-PDCCH CCE index value.

10. subscriber equipment according to claim 8 or claim 9, wherein, this equipment also comprises the first updating device, for:

-be received from eNB send for upgrading the lastest imformation of described HARQ mapping table;

-according to described lastest imformation, upgrade described HARQ mapping table, to synchronize described HARQ mapping table with described eNB.

11. 1 kinds for the auxiliary eNB that receives HARQ coded messages based on TDD configuration 2, and wherein, this eNB comprises:

The second inquiry unit, for according to being received from HARQ coded message that subscriber equipment the sends resource location at target resource piece, and in conjunction with described HARQ coded message, in HARQ mapping table, carry out matching inquiry, to obtain the downlink transmission state information of eNB to subscriber equipment, wherein, described target resource piece is re-used to send the CQI of described subscriber equipment to described eNB;

The second dispensing device, for according to described downlink transmission state information, sends the message corresponding with described downlink transmission state information to described subscriber equipment.

12. eNB according to claim 11, wherein, described downlink transmission state information comprises ACK information, wherein, described the second dispensing device is used for:

-according to described ACK information, in the corresponding subframe of described ACK information, send new message to described subscriber equipment.

13. according to the eNB described in claim 11 or 12, and wherein, described downlink transmission state information comprises nack message, wherein, described the second dispensing device also for:

-according to described nack message, in the corresponding subframe of described nack message, retransmit the corresponding origination message of described nack message to described subscriber equipment.

14. according to claim 11 to the eNB described in any one in 13, and wherein, this eNB also comprises the second updating device, for:

-according to PUCCH candidate parameter and HARQ candidate code information, set up or upgrade described HARQ mapping table;

-by with upgrade after the corresponding lastest imformation of described HARQ mapping table be sent to described subscriber equipment, to synchronize described HARQ mapping table with described subscriber equipment.

15. 1 kinds for configuring the system of 2 sending/receiving HARQ coded messages based on TDD, comprise the subscriber equipment as described in any one in claim 8 to 10 and the eNB as described in any one in claim 11 to 14.

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