# US 2025/0167933 A1 · Method and apparatus for codebook transmission, method and apparatus for reception and determination, communication apparatus and storage media > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0167933 A1 - Document ID: US20250167933A1 - Status: Published application - Kind: A1 - Application number: 18/841,109 - Filed: 2022-02-25 - Published: 2025-05-22 - Earliest claimed: 2022-02-25 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Qun ZHAO - Web page: https://patentgrep.com/patent/US20250167933A1 ## CPC - H04L 1/1887: {Scheduling and prioritising arrangements} - H04L 1/16: in which the return channel carries supervisory signals, e.g. repetition request signals - H04L 1/1614: {using bitmaps} - H04L 1/18: Automatic repetition systems, e.g. Van Duuren systems - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 5/00: Arrangements affording multiple use of the transmission path - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method, apparatus and computer readable medium for codebook transmission in a communication network. The codebook is transmitted by: determining a configured group radio network temporary identity (G-RNTI); generating a codebook corresponding to the G-RNTI; obtaining a target codebook by carrying out a bundling operation on bits in the codebook; and sending the target codebook to a network device. ## Claims ### Claim 1 A method for codebook transmission, performed by a terminal, the method comprising: determining a configured group-radio network temporary identity (G-RNTI); generating a codebook corresponding to the G-RNTI; obtaining a target codebook by carrying out a bundling operation according to bits in the codebook corresponding to the G-RNTI; and sending the target codebook to a network device. ### Claim 2 (depends on 1) The method according to claim 1, wherein the bundling operation comprises a logical AND operation. ### Claim 3 (depends on 1) The method according to claim 1, wherein the obtaining the target codebook by carrying out the bundling operation according to bits in the codebook corresponding to the G-RNTI comprises: obtaining the target codebook by carrying out a bundling operation on corresponding bits in at least two of the codebooks. ### Claim 4 (depends on 3) The method according to claim 3, further comprising: determining, in response to different numbers of bits comprised in at least two of the codebooks, a first codebook comprising a greatest number of bits; and adding to bits comprised in other codebooks according to a number of bits in the first codebook, wherein an added bit is configured to indicate a hybrid automatic repeat request-acknowledgment (HARQ-ACK). ### Claim 5 (depends on 3) The method according to claim 3, further comprising: receiving a first indication sent by the network device; and determining, according to the first indication, a codebook to undergo the bundling operation in the codebook corresponding to the G-RNTI. ### Claim 6 (depends on 1) The method according to claim 1, wherein the obtaining the target codebook by carrying out the bundling operation according to bits in the codebook corresponding to the G-RNTI comprises: obtaining the target codebook by carrying out a bundling operation on at least two bits located in the same codebook. ### Claim 7 (depends on 6) The method according to claim 6, further comprising: receiving a second indication sent by the network device; and determining, according to the second indication, a number of bits to undergo the bundling operation. ### Claim 8 (depends on 1) The method according to claim 1, further comprising: receiving a third indication sent by the network device; and determining, according to the third indication, whether to carry out the bundling operation on the bits in the codebook. ### Claim 9 (depends on 1) The method according to claim 1, further comprising: determining a codebook corresponding to a unicast physical downlink shared channel (PDSCH); wherein the obtaining the target codebook by carrying out the bundling operation according to bits in the codebook corresponding to the G-RNTI comprises: obtaining the target codebook by carrying out a bundling operation on bits in the codebook corresponding to the G-RNTI and bits in the codebook corresponding to the unicast PDSCH. ### Claim 10 (depends on 1) The method according to claim 1, further comprising: receiving retransmission scheduling information sent by the network device; and ignoring the retransmission scheduling information in response to determining that a PDSCH scheduled by the retransmission scheduling information is successfully decoded. ### Claim 11 A method for reception and determination, performed by a network device, the method comprising: receiving a target codebook sent by a terminal, wherein the target codebook is obtained by carrying out a bundling operation according to bits in a codebook corresponding to at least one G-RNTI; and determining, according to bits in the target codebook, whether the terminal successfully decodes a PDSCH candidate corresponding to each bit in the codebook corresponding to the at least one G-RNTI. ### Claim 12 (depends on 11) The method according to claim 11, wherein the bundling operation comprises a logical AND operation. ### Claim 13 (depends on 12) The method according to claim 12, wherein the target codebook is obtained by carrying out a bundling operation on corresponding bits in at least two codebooks; and the determining, according to bits in the target codebook, whether the terminal successfully decodes the PDSCH candidate corresponding to each bit in the codebook corresponding to the at least one G-RNTI comprises: determining, according to the bits in the target codebook, whether the terminal successfully decodes PDSCH candidates corresponding to corresponding bits in the at least two codebooks. ### Claim 14 (canceled) ### Claim 15 (depends on 12) The method according to claim 12, wherein the target codebook is obtained by carrying out a bundling operation on at least two bits located in the same codebook, and the determining, according to bits in the target codebook, whether the terminal successfully decodes the PDSCH candidate corresponding to each bit in the codebook corresponding to the at least one G-RNTI comprises: determining, according to the bits in the target codebook, whether the terminal successfully decodes PDSCH candidates corresponding to at least two bits in at least one codebook. ### Claim 16 (canceled) ### Claim 17 (canceled) ### Claim 18 (depends on 11) The method according to claim 11, wherein the target codebook is obtained by carrying out a bundling operation on the bits in the codebook corresponding to the G-RNTI and bits in a codebook corresponding to a unicast physical downlink shared channel (PDSCH); and the determining, according to bits in the target codebook, whether the terminal successfully decodes the PDSCH candidate corresponding to each bit in the codebook corresponding to the at least one G-RNTI comprises: determining, according to the bits in the target codebook, whether the terminal successfully decodes PDSCH candidates corresponding to the bits in the codebook corresponding to the G-RNTI and bits in a codebook corresponding to the unicast PDSCH. ### Claim 19 (depends on 11) The method according to claim 11, further comprising: sending retransmission scheduling information to the terminal in response to determining that the terminal does not successfully decode a PDSCH candidate corresponding to a first bit in the codebook corresponding to the at least one G-RNTI for scheduling PDSCH retransmission on the PDSCH candidate corresponding to the first bit. ### Claim 20 (canceled) ### Claim 21 (canceled) ### Claim 22 A communication apparatus, comprising: one or more processors and a memory, and the one or more processors are collectively configured to: determine a configured group-radio network temporary identity (G-RNTI); generate a codebook corresponding to the G-RNTI; obtain a target codebook by carrying out a bundling operation according to bits in the codebook corresponding to the G-RNTI; and send the target codebook to a network device. ### Claim 23 (depends on 11) A communication apparatus, comprising: one or more processors; and a memory configured to store a computer program; wherein when the computer program is executed by the one or more processors, the communication apparatus performs the reception and determination method according to claim 11. ### Claim 24 (depends on 1) A non-transitory computer-readable storage medium, storing a computer program, wherein when the computer program is executed by one or more processors, the one or more processors collectively perform the method according to claim 1. ### Claim 25 (depends on 11) A non-transitory computer-readable storage medium, storing a computer program, wherein when the computer program is executed by one or more processors, the one or more processors collectively perform the method according to claim 11.