CN111092696B

CN111092696B - Wireless communication transmission method, terminal equipment and storage medium

Info

Publication number: CN111092696B
Application number: CN201910713941.2A
Authority: CN
Inventors: 黄双红; 卢有雄; 邢卫民; 梅中辉
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2024-08-02
Anticipated expiration: 2039-08-02
Also published as: CN111092696A; WO2021023070A1

Abstract

The application discloses a transmission method, terminal equipment and storage medium for wireless communication, wherein the method comprises the following steps: the transmitting end performs block coding on a data block group to be transmitted and transmits a signal containing a block coding block; transmitting a control signal containing block coding codebook information used by the data block group to be transmitted; and the transmitting end determines the block coding codebook used by the data block group to be transmitted according to the configuration or the predefined or feedback information. By adopting the application, the reliability of data transmission can be improved, the retransmission efficiency of wireless communication can be improved, and the average time delay of the wireless communication can be reduced.

Description

Wireless communication transmission method, terminal equipment and storage medium

Technical Field

The present application relates to the field of communications technologies, and in particular, to a wireless communication transmission method, a terminal device, and a storage medium.

Background

In a wireless communication system, reliability of wireless communication can be improved through feedback and retransmission. In the feedback mechanism of the LTE system, feedback is performed based on a Transport Block (TB), and CB is a smaller coding transmission unit than TB, and one TB includes a plurality of Code Blocks (CB). But only the TB feedback is based on the feedback, namely only the decoding result of the whole TB can be fed back; when the received TB is not decoded correctly, NACK is fed back even if there is an error in data in only one of CBs, and the data of the entire TB needs to be retransmitted.

In a 5G New Radio communication (NR) system, the amount of data or CB number contained in one TB is multiplied compared to LTE, and in order to ensure reliability of data transmission and improve spectrum efficiency, a hybrid automatic request retransmission feedback (HARQ-ACK, hybrid automatic repeat request acknowledgement) mechanism supporting Code Block Group (CBG) feedback is adopted. If the serving cell or carrier is configured with higher layer parameters to feed back per CBG, the UE generates HARQ-ACK information based on the CBG. The base station only needs to retransmit CBG of CB containing decoding error instead of retransmitting the entire TB.

NR V2X belongs to phase3 (phase 3) of 3gpp V2X, can support advanced V2X services that LTE V2X cannot support, and can support low latency and high reliability service requirements through flexible design. Multicast and unicast communication are supported in the NR V2X system, and reliability of the sidelink multicast communication can be improved by considering a retransmission mechanism. Retransmission of multicast communications may be supported both TB-based feedback and CBG-based feedback. For the feedback mode based on the CBG, the conventional method is that the receiving UE feeds back the identification of the CBG with failed decoding to the sending UE, and the sending UE retransmits the CBs contained in the corresponding CBG until the receiving UE receives all CBs required by the received TB, and the receiving UE successfully decodes the TB, otherwise, the receiving UE fails.

The channel environment of different receiving UEs to the sending UE may be different in multicast communication, and for the same CB, some receiving UEs can be disassembled, and some UEs cannot be disassembled, and from the sending UE side, the CB which is decoded by different receiving UEs is different, i.e. the CB which needs to be retransmitted for different receiving UEs is different. If the transmitting UE sequentially retransmits the retransmission CBs required by each receiving UE, multiple retransmission resources are required, and the retransmission efficiency is low.

Disclosure of Invention

The application provides a transmission method for wireless communication, terminal equipment and a storage medium.

The embodiment of the application provides a transmission method of wireless communication, which comprises the following steps:

a transmitting end performs Block Coding (CB) on a data Block group to be transmitted and transmits a signal containing a Block Coding Block (BCB, block Coding Block);

Transmitting a control signal containing block coding codebook information used by the data block group to be transmitted;

And the transmitting end determines the block coding codebook used by the data block group to be transmitted according to the configuration or the predefined or feedback information.

In an embodiment, the determining, by the transmitting end, a block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information includes: a block code codebook used for an initial transmission or retransmission is determined.

In an embodiment, the determining the block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information includes at least one of the following:

determining a block coding codebook used by a first transmitted data block group according to configuration or predefining;

the block coding codebook used by the retransmitted set of data blocks is determined based on configuration or predefined or feedback information.

In one embodiment, the feedback information is sent by the receiving end node, and includes at least one of the following contents:

the block coding codebook index, the codebook value corresponding to the block coding codebook, the number of the block coding codebooks, the index of the BCB and the number of the BCB.

In an embodiment, the determining the block coding codebook used by the retransmitted data block group according to the feedback information includes at least one of the following ways:

Determining according to the block coding codebook index contained in the feedback information;

Determining according to a codebook value corresponding to a block coding codebook contained in the feedback information;

determining according to the number of the block coding codebook contained in the feedback information;

Determining according to indexes of BCB contained in the feedback information;

Determining according to the quantity of BCB contained in the feedback information;

Determining according to the number of the data block groups contained in the feedback information;

and determining according to indexes corresponding to the data block groups contained in the feedback information.

In one embodiment, the data block group to be transmitted includes: a TB group or CB group or other manner of data segment group; TB and CB are each a case of a TB combined CB group, and a single data segment is a case of a data segment group.

In an embodiment, the block encoding the set of data blocks to be transmitted includes at least one of the following combinations:

Mode one: block coding based on between TBs;

Mode two: block coding based on between TB groups;

mode three: block coding is performed among CB groups;

Mode four: block coding is performed based on the CB;

mode five: block coding is performed among the data segment groups;

mode six: block coding is performed based on between data segments.

In one embodiment, the BCB refers to a data block or a data block group output after block encoding the data block group to be transmitted.

In one embodiment, the block coding codebook information used by the data block group to be transmitted includes at least one of the following:

An index indicating a block coding codebook used by the data block group to be transmitted;

A corresponding codebook value indicating a block coding codebook used by the set of data blocks to be transmitted;

indicating the number of block coding codebooks used by the set of data blocks to be transmitted.

In an embodiment, the block coding codebook information used by the data block group to be transmitted further includes:

Indicating the coding codebook index and/or the number of the block coding codebooks corresponding to the block coding codebook used by the data block group to be transmitted, wherein the coding codebook index and/or the number of the block coding codebooks comprise at least one of the following components:

The codebook with the minimum index number or the initial codebook corresponds to the index number and/or the number of block coding codebooks used by the data block group;

the codebook or termination codebook with the largest index number corresponds to the index number and/or the number of block coding codebooks used by the data block group.

receiving a signal containing a block coded block BCB and/or a control signal containing block coded codebook information;

Transmitting a signal containing feedback information;

The feedback information at least comprises: the block encoding codebook information and/or the information of the data block group of the BCB that fails decoding.

In one embodiment, the transmitting the signal including the feedback information includes:

and indicating the information of the data block group which fails to decode and/or the BCB and/or the block coding codebook information corresponding to the data block group which fails to decode to the transmitting end.

In an embodiment, the indicating the information of the data block group with the failed decoding and/or the information of the block coding codebook corresponding to the data block group with the failed decoding to the transmitting end includes at least one of the following modes:

A block coding codebook index;

Codebook values corresponding to block-coded codebooks;

The number of block-encoded codebooks;

Index of BCB;

the amount of BCB;

The number of data block groups;

and indexes corresponding to the data block groups.

In an embodiment, after receiving the signal containing the block coded block BCB and/or the control signal containing the block coded codebook information, the method further comprises:

analyzing the control signal; and/or obtaining the block encoded codebook information;

And decoding a signal containing CBCs according to the block coding blocks and/or the block coding codebook information.

In one embodiment, the information of the data block group includes: TB group or CB group; or other means of data segment grouping; TB and CB are each a case of a TB combined CB group, and a single data segment is also a case of a data segment group.

In one embodiment, the decoding the CBC-containing signal includes a combination of at least one of:

Mode one: corresponding decoding based on a decoding rule of block encoding between TBs;

Mode two: corresponding decoding based on a decoding rule of block encoding among the TB groups;

mode three: corresponding decoding based on a decoding rule of block coding among CB groups;

mode four: corresponding decoding based on a decoding rule of block coding between CBs;

Mode five: corresponding decoding based on decoding rules of block encoding between other data segments;

Mode six: the corresponding decoding is based on decoding rules for block encoding between other sets of data segments.

Analyzing the control signal and then analyzing the signal containing BCB;

The BCB is obtained after a transmitting end performs block coding on a data block group to be transmitted.

Analyzing the control signal and/or acquiring the block coding codebook information;

the block encoded codebook information includes at least one of:

an index indicating a block coding codebook used by a data block group to be transmitted by a transmitting end;

indicating a corresponding codebook value of a block coding codebook used by a data block group to be transmitted by a transmitting end;

analyzing the control signal to obtain the block coding codebook information;

the block coding codebook information indicates coding codebook indexes and/or the number of block coding codebooks corresponding to the block coding codebooks used by the data block group to be transmitted by the transmitting end, and the method comprises at least one of the following steps:

The embodiment of the application provides a terminal device, which comprises:

The coding unit is used for carrying out block coding on the data block group to be transmitted by the transmitting end and transmitting a signal containing a block coding block BCB;

A transmitting unit configured to transmit a control signal including block coding codebook information used by the data block group to be transmitted;

And the determining unit is used for determining the block coding codebook used by the data block group to be transmitted according to the configuration or the predefined or feedback information by the transmitting end.

In an embodiment, the determining unit is further configured to: a block code codebook used for an initial transmission or retransmission is determined.

In an embodiment, the determining unit is further configured to: the method adopted in the process of determining the block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information comprises at least one of the following steps:

In an embodiment, the determining unit is further configured to: the method for determining the block coding codebook used by the retransmitted data block group according to the feedback information comprises at least one of the following steps:

Determining according to indexes of BCB contained in the feedback information;

In one embodiment, the data block group to be transmitted includes: a TB group or CB group or other manner of data segment group; TB and CB are a special case of a TB combined CB group, respectively, and a single data segment is also a case of a data segment group.

Mode one: block coding based on between TBs;

Mode two: block coding based on between TB groups;

mode three: block coding is performed among CB groups;

Mode four: block coding is performed based on the CB;

mode five: block coding is performed among the data segment groups;

mode six: block coding is performed based on between data segments.

The embodiment of the application provides a terminal device, which comprises:

A receiving unit for receiving a signal containing a block coded block BCB and/or a control signal containing block coded codebook information;

a transmitting unit configured to transmit a signal containing feedback information;

In an embodiment, the transmitting unit is further configured to:

In an embodiment, the block coding codebook information further used for indicating the data block group information with decoding failure and/or the block coding codebook information corresponding to the data block group with decoding failure to the transmitting end includes at least one of the following modes:

A block coding codebook index;

Codebook values corresponding to block-coded codebooks;

The number of block-encoded codebooks;

Index of BCB;

the amount of BCB;

The number of data block groups;

and indexes corresponding to the data block groups.

In one embodiment, the apparatus further comprises:

The analysis unit is used for analyzing the control signal;

and the decoding unit is used for decoding the signal containing the CBC according to the block coding block and/or the block coding codebook information.

In one embodiment, the information of the data block group includes: TB group or CB group; TB and CB are each a case of the TB combination CB group.

In an embodiment, the decoding unit is further configured to decode a signal containing CBC, including at least one of the following combinations:

In one embodiment, the apparatus further comprises:

the analysis unit is used for analyzing the control signal and then analyzing a signal containing BCB;

In one embodiment, the apparatus further comprises:

The analysis unit is used for analyzing the control signal and acquiring the block coding codebook information;

the block encoded codebook information includes at least one of:

In one embodiment, the apparatus further comprises:

Embodiments of the present application provide a storage medium storing a computer program which, when executed by a processor, implements the method of any of the preceding claims.

By adopting the application, the transmitting end carries out block coding on the data block group to be transmitted and transmits the signal containing BCB; transmitting a control signal containing block coding codebook information used by the data block group to be transmitted; and the transmitting end determines the block coding codebook used by the data block group to be transmitted according to the configuration or the predefined or feedback information. The application can ensure the reliability of data transmission, improve the retransmission efficiency of wireless communication and reduce the average time delay of wireless communication.

With respect to the above embodiments and other aspects of the application and implementations thereof, further description is provided in the accompanying drawings, detailed description and claims.

Drawings

Fig. 1 is a schematic flow chart of a transmission method of wireless communication according to an embodiment of the present application;

fig. 2 is a schematic diagram of a transmission method of wireless communication according to an embodiment of the present application;

Fig. 3 is a schematic diagram of a scenario for implementing a sidelink multicast communication by a multi-terminal according to an embodiment of the present application;

Fig. 4 is a flowchart of a transmission method of wireless communication according to an embodiment of the present application;

Fig. 5 is a block diagram of a terminal device according to an embodiment of the present application;

fig. 6 is a hardware schematic diagram of a terminal device according to an embodiment of the present application;

Fig. 7 is a schematic structural diagram of an embodiment of a terminal device according to an embodiment of the present application.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.

It should be noted that "block coding" described in various embodiments of the present disclosure may also be referred to as "inter-block coding", and may be denoted as "block (inter) coding", referring to: a coding mode between code blocks or between data blocks.

Fig. 1 is a schematic flow chart of a transmission method of wireless communication according to an embodiment of the present application, as shown in fig. 1, including:

Step 101, the transmitting end performs block coding on the data block group to be transmitted, and transmits a signal containing BCB.

Step 102, transmitting a control signal, wherein the control signal contains block coding codebook information used by the data block group to be transmitted.

Step 103, the transmitting end determines the block coding codebook used by the data block group to be transmitted according to the configuration or the predefined or feedback information.

By adopting the application, the transmitting end carries out block coding on the data block group to be transmitted, transmits a signal containing BCB, transmits a control signal, wherein the control signal contains block coding codebook information used by the data block group to be transmitted, and the transmitting end determines the block coding codebook used by the data block group to be transmitted according to configuration or predefining or feedback information, thereby ensuring the reliability of data transmission, improving the retransmission efficiency of wireless communication and reducing the average time delay of the wireless communication.

It should be noted that: the embodiment of the present application is not limited to the order of steps 101 to 103, but may include other orders, such as an order reverse to the above-mentioned step flow, for example, the transmitting end determines, according to configuration or predefined or feedback information, a block coding codebook used by the data block group to be transmitted; transmitting a control signal containing block coding codebook information used by the data block group to be transmitted; the transmitting end performs block coding on the data block group to be transmitted and transmits a signal containing BCB.

Determining according to indexes of BCB contained in the feedback information;

In one embodiment, the data block group to be transmitted includes: a TB group or CB group or other manner of data segment group; TB and CB are each a special case of a TB combined CB group, and a single data segment is also a special case of a data segment group.

Mode one: block coding based on between TBs;

Mode two: block coding based on between TB groups;

mode three: block coding is performed among CB groups;

Mode four: block coding is performed based on the CB;

mode five: block coding is performed among the data segment groups;

mode six: block coding is performed based on between data segments.

Fig. 2 is a second flowchart of a transmission method of wireless communication according to an embodiment of the present application, as shown in fig. 2, including:

step 201, receiving a signal containing BCB and/or a control signal containing block coding codebook information.

Step 202, transmitting a signal containing feedback information, wherein the feedback information at least comprises block coding codebook information and/or data block group information of BCB which fails to decode.

In one embodiment, the transmitting the signal including the feedback information includes: and indicating the information of the data block group which fails to decode and/or the BCB and/or the block coding codebook information corresponding to the data block group which fails to decode to the transmitting end.

In an embodiment, the indicating the information of the data block group with the decoding failure and/or the block coding codebook information corresponding to the data block group with the decoding failure to the transmitting end includes at least one of the following modes:

A block coding codebook index;

Codebook values corresponding to block-coded codebooks;

The number of block-encoded codebooks;

Index of BCB;

the amount of BCB;

The number of data block groups;

and indexes corresponding to the data block groups.

In an embodiment, after receiving the signal containing BCB and/or the control signal containing block coded codebook information, the method further comprises:

Analyzing the control signal;

Analyzing the control signal and then analyzing the signal containing BCB;

analyzing the control signal to obtain the block coding codebook information;

the block encoded codebook information includes at least one of:

analyzing the control signal to obtain the block coding codebook information;

Fig. 3 is a schematic diagram of a scenario for implementing a sidelink multicast communication by using multiple terminals according to an embodiment of the present application, as shown in fig. 3, assuming that UE0 for the sidelink multicast communication is a central node UE, UE1, UE2 and UE3 are member nodes, UE0 generates a set of code blocks CB (Code Block) (CB 1', CB2', CB3 'and CB 4') based on a transport block TB, and performs coding based on block codes BC (Block Coding) based on CB1 'to CB4', to form a set of (inter) code blocks CBC (Block Coding Block): CB1, CB2, CB3 and CB4. The CB1 may include only information of CB1', or may include, in addition to information of CB1', redundant information of CB2', CB3', and CB4', and similarly, the CB2 may include only information of CB2', or may include, in addition to information of CB2', redundant information of CB3', and CB4', and the CB3 may include only information of CB3', or may include, in addition to information of CB3', redundant information of CB1', CB2', and CB4', and the CB4 may include only information of CB4', or may include redundant information of CB1', CB2', and CB3', in addition to information of CB4 '. The block encoding described above refers to a method of encoding between data blocks, and is based on a set of input encoding blocks iBCB (input Block Code Block) that encode according to one or more algorithms, such as exclusive-or operation, between data blocks, to obtain a set of output encoding blocks oBCB (output Block Code Block). Wherein the one or more algorithms are not limited to exclusive-or operations.

In one example, if expressed as a function, it may be expressed as (CB ₁,CB₂,...,CBn)＝f(CB₁',CB₂'. If the codebook of the block code BC is expressed as CBI₁＝(a₁₁,a₁₂,...,a_1m)',CBI₂＝(a₂₁,a₂₂,...,a_2m)',...,CBI_n＝(a_n1,a_n2,...,a_nm)'. in a matrix operation formula, it can be expressed as the following formula (1):

[CB₁,CB₂,...,CBn]＝[CBI₁,CBI₂,...,CBI_n]'*[CB₁',CB₂',...,CBm'] (1)

In one example, whether CB1 contains CB2', CB3' and CB4' redundancy information depends on the codebook used by block code BC, one codebook containing information that is a block coding scheme corresponding to a set of input coded blocks iBCB. For example: one way is that CBi corresponding to the first 4 codebooks in a block coded codebook (as in table 1 below) contains only CBi' information, and CBi corresponding to the last 4 codebooks contains redundant information of other part or all CBs. All block code codebooks contained in a block code codebook table form a block code matrix.

In one example, block code BC is encoded between segmented-based packets. Specifically, it may be performed on a TB-to-TB basis, a CBG (CB group) -to-CB basis, or a CB-to-CB basis. The present application is collectively referred to as BCB (Block Coding Block) -based.

Codebook i	CB1’	CB2’	CB3’	CB4’
					1	1	0	0	0
2	0	1	0	0
					3	0	0	1	0
4	0	0	0	1
					5	1	-1	0	0
6	1	1	-1	0
					7	0	-1	1	0
8	0	0	1	-1

TABLE 1

In one example, the transmitting node indicates a block code codebook between BCBs participating in block coding that are currently transmitted, the indicating manner includes indicating a block code codebook index, such as 1,2, or contents of a block code codebook, such as {1, 0}, or indicating a starting codebook (including codebook index or contents of codebook) of BCBs currently participating in block coding (including CB or CBG) and/or a number of BCBs participating in block coding (CB or CBG).

In an example, the receiving end node feeds back an index containing BCB that failed to decode, and/or a block-encoded codebook (including the codebook index or the contents of the codebook) of BCB that failed to decode, where BCB may be CB or CBG or TB.

In an example, the transmitting end determines the retransmitted block code according to the information (BCB index, and/or block code codebook of BCB) fed back by the receiving end node, and indicates to the receiving end node (including the codebook index or the manner of coding the codebook content by the block).

The above description is directed to a multicast scenario, where the above block coded transmission scheme may also be applied in a unicast scenario: in one example, a may be sent first, then B, then a+b. The current channel conditions may not correctly decode B for the receiving UE, but may decode a and a+b, and may decode B by a and a+b. Wherein A and B are BCB, and can be CB, CBG or TB.

Example 1:

Fig. 4 is a flowchart of a transmission method of wireless communication according to an embodiment of the present application, in which a multicast communication method based on block coding BC is described by taking sidelink communication as an example. In the schematic diagram of the sidelink multicast communication shown in fig. 3, the multicast communication UE includes UE0, UE1, UE2 and UE3, where UE0 is a sending end of the multicast communication and other UEs are receiving ends, and the transmission method of the wireless communication based on block coding in the sidelink multicast communication scene is shown in fig. 4, and includes the following steps:

Step 301: the transmitting terminal UE generates CB based on the transmitting TB, determines BCB to be transmitted, and performs block coding among a group of BCBs to be transmitted to obtain output BCB.

Step 302: the transmitting terminal UE transmits a signal containing output BCB and transmits a control signal to instruct to transmit block coding information, wherein the signal contains block coding information corresponding to a group of transmitted BCB; wherein the transmission block coding information here includes at least one of: block coding codebook index, block coding codebook value, number of BCBs participating in block coding; the block coding codebook contains vectors of coefficients that refer to block coding.

Step 303: the receiving end UE decodes the received output BCB, and for the BCB which is not successfully decoded and recovered, the receiving end UE sends corresponding feedback information, wherein the feedback information comprises at least one of the following steps: the method comprises the steps of outputting block coding codebook indexes corresponding to BCB which are failed to decode, outputting block coding codebook values corresponding to BCB which are failed to decode, outputting BCB indexes which are failed to decode, outputting the number of BCB which are failed to decode, outputting indexes corresponding to BCB which are not recovered which are failed to decode, and outputting the number of BCB which are not recovered.

Step 304: the transmitting terminal UE transmits the retransmitted output BCB and indicates to transmit block coding information, wherein the block coding information comprises a group of block coding information corresponding to the transmitted BCB; the transmitting block coding information includes at least one of: block coding codebook index, block coding codebook value, number of BCBs participating in block coding.

Here, the retransmitted output BCB refers to the retransmitted output BCB, which is the same as or different from the originally transmitted output BCB, and the adopted block coding codebook is the same as or different from the originally transmitted output BCB.

Before the transmitting end UE transmits the output BCB of the retransmission, the transmitting end UE may further include determining transmission block coding codebook information of the BCB to be retransmitted, specifically, the transmitting end UE receives feedback information, determines block coding of the BCB to be retransmitted, and/or block coding information of the BCB to be retransmitted. The feedback information received by the transmitting end UE includes block coding information fed back by one or more receiving end UEs, for example, information fed back by all receiving end UEs in multicast, and if the feedback information is information fed back by a plurality of receiving end UEs, the feedback information fed back by different receiving end UEs may be the same or different.

In the above description, BCB may be one of the following: one or more CBs within a CB group (CBG), one or more CB groups, one or more CBs within a different CB group, one or more CBs within a TB or one or more CB groups, one or more TBs, other ways of data segmentation group. One of the TBs contains one or more CB groups, one of the CB groups contains one or more CBs, and a single data segment is also one instance of a data segment group. The output BCB described above refers to a packet obtained after BCB is block-coded.

In one example of this embodiment, for example, UE0 generates CB1, CB2, and CB3 from TB0 to be transmitted by multicast, it is determined that the block codes of 3 CBs in the first transmission are {1, 0}, {0,1,0} and {0, 1}, cbnc1=cb1, cbnc2=cb2, cbnc3=cb3 according to a block code codebook table (table 2 below). UE0 first transmits cb_nc1, cb_nc2, and cb_nc3 and indicates block coded codebook indexes 0,1, and 2. In the receiving end UE, if UE1 and UE3 do not solve cb_nc1 and cb_nc3, respectively, the block coding codebook indexes 0 and 3 are fed back, respectively. UE0 determines the block code codebook of retransmission as {1,0,1} according to the indexes 0 and 3 fed back, determines the retransmission transmission cb_nc_rt=cb1+cb3, and indicates the block code codebook index 4.

Index	CB1	CB2	CB3
				0	1	0	0
1	0	1	0
				2	0	0	1
3	1	1	0
				4	1	0	1
5	0	0	1
				6	1	1	1

TABLE 2

Example 2:

The present embodiment describes a procedure of how to instruct a block coding codebook, and block coding codebook information used by a transmitting node to instruct BCB is included in transmitting block coding instruction information 1. The method of indicating includes at least one of:

Indicating the first block coding codebook index used by the BCB and/or the number of BCBs that are block coded. For example, based on the block coding codebook table (table 3 below), the transmitting node indicates that the first block coding codebook index is 1 and the number of bcbs corresponds to 4 in the transmitting block coding information 1. The block coding codebooks adopted by CB1, CB2, CB3 and CB4 in the BCB are respectively: {0,1, 0}, {0,1, 0}, {0, 1} and {1, 0}. That is, the block coding codebooks of CB1, CB2, CB3 and CB4 are determined from the block coding codebook table (table 3 below) in index order.

A value indicating the first block coding codebook used by the BCB, and/or the number of BCBs that are block coded. For example, based on the block coding table (table 3 below), the transmitting node indicates that the first block coding codebook is {1, 0} in the transmission block coding indication information 1, and the number of CB groups including CBs is 4. The block code codebooks employed by CB1, CB2, CB3 and CB4 within the CB group are: {1, 0}, {0,1, 0}, {0,1, 0} and {0, 1}.

Indicating all block coded codebook indexes corresponding to BCB. For example, based on a block coding table (table 3 below), the transmitting node indicates that the block coding codebook indexes are 1,4,7, and 8, respectively, in the transmitting block coding indication information 1. The block coding codebooks adopted by CB1, CB2, CB3 and CB4 corresponding to the BCB are respectively: {0,1, 0}, {1, 0}, {1, 0} and {1, 1}.

All block code codebook values corresponding to the indication BCB are indicated, for example, based on a block code table (table 3 below), and the transmitting node indicates in the transmission block code indication information 1 that the block code codebook values are respectively: {0,1, 0}, {1, 0}, {1, 0} and {1, 1}, block code codebooks corresponding to CB1, CB2, CB3 and CB4, respectively.

The transmitting node in this embodiment may be a User Equipment (UE), a base station, or other wireless network nodes. The sending node may send multicast communication data, or may send unicast communication data or broadcast communication data.

Index	CB1 or CBG1	CB2 or CBG2	CB3 or CBG3	CB4 or CBG4
					0	1	0	0	0
1	0	1	0	0
					2	0	0	1	0
3	0	0	0	1
					4	1	1	0	0
5	1	0	1	0
					6	0	1	0	1
7	1	1	1	0
					8	1	1	1	1

TABLE 3 Table 3

In the above description, BCB may be one of the following: one or more CBs within a CB group (CBG), one or more CB groups, one or more CBs within a different CB group, one or more CBs within a TB or one or more CB groups, one or more TBs, other data segments or data segment groups. One of the TBs contains one or more CB groups, one of the CB groups contains one or more CBs, and a single data segment is also one instance of a data segment group.

Example 3:

The present embodiment describes how to perform feedback, where the receiving end node sends block coding feedback information 1, where the block coding feedback information 1 includes BCB information that is not successfully decoded and/or corresponding block coding information, and the content of the block coding feedback information 1 includes at least one of the following: the method comprises the steps of sequentially selecting a sequence number of a CB or a sequence number of a CB group or a sequence number of a TB (block), a number of the CB or the CB group or the TB, a block coding codebook of a BCB corresponding to the CB or the CB group or the TB, a block coding codebook index of a BCB corresponding to the CB or the CB group or the TB, and a block coding codebook value or index corresponding to the BCB. The above-described sequence number of the CB or the sequence number of the CB group or the sequence number of the TB, which fails in decoding, includes the sequence number of the CB or the CB group or the sequence number of the TB in the output BCB, or the sequence number in the block coding.

The method of feedback includes at least one of:

indicating that the correct CB or CB group or TB sequence number is not decoded in the BCB. For example, based on the block coding codebook of table 3, if UE1 does not successfully decode CB of the corresponding block coding codebook index 2, it indicates that UE1 does not successfully decode CB3 in the CB group, and UE1 feeds back the sequence number value 3 of CB 3. As another example, based on the block code codebook of table 3, if UE2 does not successfully decode CB of the corresponding block code codebook index 4, UE2 feeds back sequence numbers 1 and 2 of CB1 and CB2, and may also feed back block code codebook index value 4 or feedback block code codebook value {1, 0}.

Indicating that the correct CB or CB group or block code codebook index or codebook value corresponding to the TB is not decoded in the BCB. For example, based on the block coding codebook of table 3, the data transmission is based on block coding between CBGs (CB groups), and if UE1 does not successfully decode CBG2 corresponding to the corresponding block coding codebook index 1, UE1 feeds back codebook index 1 or directly feeds back codebook {0,1, 0}.

Indicating the number of CBs or CB groups or TBs in the BCB that are not decoded correctly. For example, based on the block coding codebook of table 3, if UE1 does not successfully decode CB1, CB2, and CB3, UE1 feeds back a value of 3. The number of CB corresponding to the fed back value may be continuous or discontinuous.

Example 4:

this embodiment describes a procedure how to determine the block coding of the retransmission, and the transmitting node determines the codebook of the block coding of the BCB to be retransmitted, including determining the codebook index of the block coding of the BCB to be retransmitted.

As an embodiment, the transmitting node may determine the block coded codebook to which BCB is to be retransmitted based on the received block coded feedback message 1. Wherein the block coding feedback message 1 contains block coding information fed back by the receiving node, and the feedback includes feedback based on CB or group CB or TB. Specifically, in the sidelink multicast communication, the transmitting end UE determines a feedback information set a according to all received feedback messages 1 corresponding to the same transmitting TB, where all feedback messages 1 may be from the same receiving end UE or from different receiving end UEs, and the block code codebook information included in the feedback information set a is a set of all fed back block code codebook information. According to the feedback information set A, the transmitting end UE determines a block coding codebook of the retransmission CB, wherein the method comprises the mode of coding the codebook or the codebook index in blocks. For example, in table 3, UE1 feeds back a block code codebook index of 0 and UE3 feeds back a block code codebook of 2, the feedback information set a is {0,2}, indicating that CB1 and CB3 are not de-paired. The transmitting end UE determines that the block coding codebook of the retransmission CB group contains {1,0,1,0} according to the feedback set A, and the corresponding codebook index is 5. As another example, in table 3, UE1 feeds back block code codebook indexes 0 and 1, UE3 feeds back block code codebook 2, and feedback information set a is { (0, 1), 2}, indicating that CB1, CB2 and CB3 have no solution. The transmitting end UE determines that the block coding codebook of the retransmission CB group contains {1, 0} and {1,0,1,0} according to the feedback set A, and the corresponding codebook indexes are respectively 4 and 5.

As another example, the transmitting node may determine a retransmitted set of block coding codebooks based on a set that is larger than all of the fed back sets of block coding codebooks. Specifically, the sending node determines, according to all received feedback messages 2 corresponding to the same sending TB, a feedback information set a, where all feedback messages 2 may be from the same receiving node or from different receiving nodes, and the feedback information set a includes a block code codebook larger than a set of all feedback block code codebooks, i.e. the set of feedback block code codebooks is a subset of the set a. Based on the feedback information set a, the transmitting node determines a retransmitted block-encoded codebook, including in the manner of a block-encoded codebook or codebook index. For example, taking the sidelink multicast communication as an example, in table 3, UE1 feeds back a block coding codebook index of 0, UE3 feeds back a block coding codebook of 2, and the fed back set of block coding codebooks is {0,2}, indicating that CB1 and CB3 have not been decoded. The transmitting end UE determines that a feedback information set A of a block coding codebook set containing feedback is {0,1,2}. And determining that the block coding codebook of the retransmission CB group comprises {1, 0} according to the feedback set A, wherein the corresponding codebook index is 7.

As another example, the transmitting node may determine the retransmitted set of block coding codebooks based on a subset of the fed back set of block coding codebooks. Specifically, the transmitting node determines the block coding codebook of BCB to be retransmitted according to the received partial information of the feedback message 3 corresponding to the same transmitting TB. For example, based on table 3, if UE1 fails to decode CB1 and CB2 in the receiving UE, the feedback information sent by UE1 contains information of codebook indexes 0 and 1, UE2 fails to decode CB3 and CB4, and the feedback information sent by UE2 contains information of codebook indexes 2 and 3. And the sending UE acquires partial block coding information in the feedback information to determine a codebook of the retransmission CB. For example, the data of UE1 is retransmitted with the block code codebook corresponding to codebook index 5, and the data of UE2 is retransmitted with the block code codebook corresponding to codebook index 6. It is understood here that only the determination of the retransmission codebook of part of the data of UE1 and UE2 is described.

Example 5:

This embodiment describes how to fall back to a process that is not based on block coded transmission. When wireless communication is based on block coded transmission, the transmitting node indicates block coded codebook information of the transmitted data, including block coded codebook values and/or codebook indexes of the transmitting BCB. When the wireless transmission exits from the block coding transmission and is transmitted according to the existing transmission scheme in the LTE/NR/sidelink, the transmitting node indicates that the median value of the block coding codebook information of the transmitted data is a fixed value or a special value, for example, the maximum value indicated by the indication domain is taken, or the value of the indication block coding codebook is a0 vector, so that the current transmission is returned to the transmission mode in the prior art, and the block coding transmission is not adopted.

As one embodiment, the condition for the wireless transmission to exit the block coded transmission includes at least one of: receiving node continuously feeds back NACK for N times, wherein N is a positive integer; the transmitting node cannot determine the block code codebook of BCB to be retransmitted; according to a network side indication, such as configuration information or RRC signaling indication.

It should be noted that any combination of the above-described embodiments may be used to form new embodiments.

Fig. 5 is a block diagram of a terminal device according to an embodiment of the present application, where the terminal device shown in fig. 5 includes: an encoding unit 31, configured to perform block encoding on a data block group to be transmitted by a transmitting end, and transmit a signal including a block encoding block BCB; a transmitting unit 32 configured to transmit a control signal containing block coding codebook information used by the data block group to be transmitted; a determining unit 33, configured to determine, by the transmitting end, a block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information.

Determining according to indexes of BCB contained in the feedback information;

Mode one: block coding based on between TBs;

Mode two: block coding based on between TB groups;

mode three: block coding is performed among CB groups;

Mode four: block coding is performed based on the CB;

mode five: block coding is performed among the data segment groups;

mode six: block coding is performed based on between data segments.

The terminal equipment of the embodiment of the application comprises: a receiving unit for receiving a signal containing a block coded block BCB and/or a control signal containing block coded codebook information; a transmitting unit configured to transmit a signal containing feedback information; the feedback information at least comprises: the block encoding codebook information and/or the information of the data block group of the BCB that fails decoding.

In an embodiment, the transmitting unit is further configured to: and indicating the information of the data block group which fails to decode and/or the BCB and/or the block coding codebook information corresponding to the data block group which fails to decode to the transmitting end.

A block coding codebook index;

Codebook values corresponding to block-coded codebooks;

The number of block-encoded codebooks;

Index of BCB;

the amount of BCB;

The number of data block groups;

and indexes corresponding to the data block groups.

In one embodiment, the apparatus further comprises:

The analysis unit is used for analyzing the control signal;

In one embodiment, the apparatus further comprises:

the block encoded codebook information includes at least one of:

In one embodiment, the apparatus further comprises:

Fig. 6 is a schematic hardware diagram of a terminal device according to an embodiment of the present application, as shown in fig. 6, the terminal device according to an embodiment of the present application may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, etc., and a fixed terminal such as a digital TV, a desktop computer, etc. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for a moving purpose.

The terminal device may comprise a wireless communication unit, and in particular may consist of a transmitter 61 and a receiver 62 in the figure, a memory 63, a processor 64, a power supply unit 65, etc. Terminal devices having various components are shown in the figures, but it should be understood that not all illustrated components are required to be implemented. More or fewer components may be implemented instead. The transmitter may be a physical component of the transmitting module in this embodiment; the processor may be an indication module, a first determination module, a second determination module, a third determination module, a fourth determination module, or a fifth determination module in this embodiment.

Fig. 7 is a schematic structural diagram of an embodiment of a terminal device according to an embodiment of the present application, as shown in fig. 7, the terminal device 130 includes: a memory 1303 and a processor 1304. The terminal device 130 may also include an interface 1301 and a bus 1302. The interface 1301, memory 1303 and processor 1304 are connected via a bus 1302. The memory 1303 is used for storing instructions. The processor 1304 is configured to read the instructions to perform the technical solutions of the method embodiments applied to the terminal device, which are similar to the implementation principle and technical effect, and are not described herein again.

The foregoing description is only exemplary embodiments of the application and is not intended to limit the scope of the application.

It will be appreciated by those skilled in the art that the term user terminal encompasses any suitable type of wireless user equipment, such as a mobile telephone, a portable data processing device, a portable web browser or a car mobile station.

In general, the various embodiments of the application may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. For example, some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device, although the application is not limited thereto.

Embodiments of the application may be implemented by a data processor of a mobile device executing computer program instructions, e.g. in a processor entity, either in hardware, or in a combination of software and hardware. The computer program instructions may be assembly instructions, instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages.

The block diagrams of any of the logic flows in the figures of this application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions. The computer program may be stored on a memory. The memory may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology. The memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), a flash Memory, or the like. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as external cache memory. The RAM may include various forms such as static random access memory (STATIC RAM, SRAM), dynamic random access memory (DYNAMIC RAM, DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate Synchronous dynamic random access memory (Double DATA RATE SDRAM, DDR SDRAM), enhanced Synchronous dynamic random access memory (ENHANCED SDRAM, ESDRAM), synchronous link dynamic random access memory (SYNCHLINK DRAM, SLDRAM), and Direct memory bus RAM (DR RAM). The memory of the systems and methods described herein includes, but is not limited to, these and any other suitable types of memory.

The Processor of an embodiment of the application may be of any type suitable to the local technical environment, such as, but not limited to, a general purpose computer, a special purpose computer, a microprocessor, a digital signal Processor (DIGITAL SIGNAL Processor, DSP), an Application SPECIFIC INTEGRATED Circuit (ASIC), a Field-Programmable logic device (Field-Programmable GATE ARRAY, FGPA) or other Programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or a Processor based on a multi-core Processor architecture. The general purpose processor may be a microprocessor or may be any conventional processor or the like. The above-described processor may implement or perform the steps of the methods disclosed in the embodiments of the present application. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.

The foregoing detailed description of exemplary embodiments of the application has been provided by way of exemplary and non-limiting examples. Various modifications and adaptations to the above embodiments may become apparent to those skilled in the art without departing from the scope of the application, which is defined in the accompanying drawings and claims. Accordingly, the proper scope of the application is to be determined according to the claims.

Claims

1. A transmission method for wireless communication, the method comprising:

The transmitting end performs block coding on a data block group to be transmitted and transmits a signal containing a block coding block BCB;

The transmitting end determines a block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information;

The determining the block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information comprises the following steps:

determining a block coding codebook used by the retransmitted data block group according to the feedback information;

The method for determining the block coding codebook used by the retransmitted data block group according to the feedback information comprises the following steps:

The method comprises the steps that a sending end determines a feedback information set according to all received feedback information corresponding to the same sending TB, wherein all feedback information comes from different receiving ends, and block coding codebook information contained in the feedback information set is a set of all feedback block coding codebook information or a set of block coding codebooks larger than all feedback; according to the feedback information set, a transmitting end determines a retransmission block coding codebook, performs block coding on one or more CB blocks which fail to be decoded by a plurality of receiving ends according to the determined retransmission block coding codebook, and retransmits the block coding blocks after block coding to the plurality of receiving ends;

2. The method of claim 1, wherein the feedback information is sent by the receiving end node, comprising content of at least one of:

The method comprises the steps of block coding codebook indexes, codebook values corresponding to the block coding codebooks, at least one of the block coding codebook indexes, the codebook values corresponding to the block coding codebooks and the indexes of the BCB and the number of the block coding codebooks, the indexes of the BCB, at least one of the block coding codebook indexes, the codebook values corresponding to the block coding codebook and the indexes of the BCB and the number of the BCB.

3. The method of claim 1, wherein determining the block coding codebook used by the retransmitted set of data blocks based on the feedback information comprises at least one of:

determining at least one of a block coding codebook index, a codebook value corresponding to the block coding codebook, an index of a BCB (binary coded block), an index corresponding to a data block group and the number of the block coding codebooks according to the feedback information;

Determining according to indexes of BCB contained in the feedback information;

Determining at least one of a block coding codebook index, a codebook value corresponding to the block coding codebook, an index of the BCB, an index corresponding to the data block group and the quantity of the BCB according to the feedback information;

Determining at least one of a block coding codebook index, a codebook value corresponding to the block coding codebook, an index of a BCB (binary coded block), an index corresponding to a data block group and the number of the data block groups according to the feedback information;

4. The method of claim 1, wherein the group of data blocks to be transmitted comprises: a transport block TB group or a code block CB group or other means of data segmentation group; TB and CB are each a case of a TB combined CB group, and a single data segment is a case of a data segment group.

5. The method according to claim 1 or 4, characterized in that said block encoding of the group of data blocks to be transmitted comprises a combination of at least one of the following:

Mode one: block coding based on between TBs;

Mode two: block coding based on between TB groups;

mode three: block coding is performed among CB groups;

Mode four: block coding is performed based on the CB;

mode five: block coding is performed among the data segment groups;

mode six: block coding is performed based on between data segments.

6. The method of claim 1, wherein the BCB refers to a data block or a data block group outputted after block encoding the data block group to be transmitted.

7. The method of claim 1, wherein the block coding codebook information used by the group of data blocks to be transmitted comprises at least one of:

An index indicating a block coding codebook used by the data block group to be transmitted, at least one of a corresponding codebook value of the block coding codebook used by the data block group to be transmitted, and the number of block coding codebooks used by the data block group to be transmitted.

8. The method of claim 1, wherein the block coding codebook information used by the group of data blocks to be transmitted further comprises:

indicating the coding codebook index and the number of the block coding codebooks corresponding to the block coding codebook used by the data block group to be transmitted, wherein the coding codebook index and the number of the block coding codebooks comprise at least one of the following components:

the codebook with the minimum index number or the initial codebook corresponds to the index number and the number of block coding codebooks used by the data block group;

the codebook with the largest index number or the stop codebook corresponds to the index number and the number of block coding codebooks used by the data block group.

9. A transmission method for wireless communication, the method comprising:

receiving a signal containing a block coded block BCB and a control signal containing block coded codebook information;

Transmitting a signal containing feedback information so that a transmitting end determines a block coding codebook used by a data block group to be transmitted according to the feedback information;

The method for determining the block coding codebook used by the data block group to be transmitted by the transmitting terminal according to the feedback information comprises the following steps:

The transmitting end determines a block coding codebook used by the retransmitted data block group according to the feedback information;

The method for determining the block coding codebook used by the retransmitted data block group by the transmitting end according to the feedback information comprises the following steps:

10. The method of claim 9, wherein the transmitting the signal containing feedback information comprises:

and indicating the information of the data block group which fails to decode and/or the information of the block coding codebook corresponding to the data block group which fails to decode to the transmitting end.

11. The method according to claim 10, wherein the indicating to the transmitting end the information of the data block group with decoding failure and/or the BCB and/or the block coding codebook information corresponding to the data block group with decoding failure includes at least one of the following ways:

A block coding codebook index;

Codebook values corresponding to block-coded codebooks;

At least one of a block coding codebook index, a codebook value corresponding to the block coding codebook, an index of the BCB, an index corresponding to the data block group, and the number of the block coding codebooks;

Index of BCB;

at least one of a block coding codebook index, a codebook value corresponding to the block coding codebook, an index of BCB, an index corresponding to the data block group, and the number of BCBs;

At least one of a block coding codebook index, a codebook value corresponding to the block coding codebook, an index of BCB, an index corresponding to the data block group, and the number of the data block groups;

and indexes corresponding to the data block groups.

12. Method according to claim 9, characterized in that after said receiving a signal containing block coded block BCB and/or a control signal containing block coded codebook information, the method further comprises:

Analyzing the control signal;

13. The method of claim 12, wherein the information for the set of data blocks comprises: a transport block TB group or a code block CB group or other means of data segmentation group; TB and CB are each a case of a TB combined CB group, and a single data segment is a case of a data segment group.

14. The method of claim 12, wherein decoding the CBC-containing signal comprises a combination of at least one of:

15. Method according to claim 9, characterized in that after said receiving a signal containing block coded block BCB and/or a control signal containing block coded codebook information, the method further comprises:

Analyzing the control signal and then analyzing the signal containing BCB;

16. Method according to claim 9, characterized in that after said receiving a signal containing block coded block BCB and/or a control signal containing block coded codebook information, the method further comprises:

analyzing the control signal to obtain the block coding codebook information;

the block encoded codebook information includes at least one of:

And indicating at least one of an index of a block coding codebook used by a data block group to be transmitted by a transmitting end, a corresponding codebook value of the block coding codebook used by the data block group to be transmitted by the transmitting end and the number of the block coding codebooks used by the data block group to be transmitted.

17. Method according to claim 9, characterized in that after said receiving a signal containing block coded block BCB and/or a control signal containing block coded codebook information, the method further comprises:

analyzing the control signal to obtain the block coding codebook information;

The block coding codebook information indicates a coding codebook index and the number of block coding codebooks corresponding to a block coding codebook used by a data block group to be transmitted by a transmitting end, and the block coding codebook information comprises at least one of the following:

18. A terminal device, the device comprising:

A determining unit, configured to determine, by a transmitting end, a block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information;

the determining unit is further configured to: the method adopted in the process of determining the block coding codebook used by the data block group to be transmitted according to configuration or predefined or feedback information comprises the following steps:

19. The apparatus of claim 18, wherein the feedback information is transmitted by the receiving end node and comprises content of at least one of:

20. The apparatus of claim 18, wherein the determining unit is further configured to: the method for determining the block coding codebook used by the retransmitted data block group according to the feedback information comprises at least one of the following steps:

Determining according to indexes of BCB contained in the feedback information;

21. The apparatus of claim 18, wherein the set of data blocks to be transmitted comprises: a transport block TB group or a code block CB group or other means of data segmentation group; TB and CB are each a special case of a TB combined CB group, and a single data segment is a case of a data segment group.

22. The apparatus according to claim 18 or 21, wherein said block encoding of the group of data blocks to be transmitted comprises a combination of at least one of the following:

Mode one: block coding based on between TBs;

Mode two: block coding based on between TB groups;

mode three: block coding is performed among CB groups;

Mode four: block coding is performed based on the CB;

mode five: block coding is performed among the data segment groups;

mode six: block coding is performed based on between data segments.

23. The apparatus of claim 18, wherein the BCB refers to a data block or a data block group outputted after block encoding the data block group to be transmitted.

24. The apparatus of claim 18, wherein the block coding codebook information used by the group of data blocks to be transmitted comprises at least one of:

25. A terminal device, the device comprising:

a receiving unit for receiving a signal containing a block coded block BCB and a control signal containing block coded codebook information;

A transmitting unit, configured to transmit a signal containing feedback information so that a transmitting end determines a block coding codebook used by a data block group to be transmitted according to the feedback information;

26. A storage medium storing a computer program which, when executed by a processor, implements the method of any one of claims 1-8, 9-17.