# US 12,009,932 B2 · Type 3 hybrid automatic repeat request codebook for sidelink > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,009,932 B2 - Document ID: US12009932B2 - Status: Granted - Kind: B2 - Application number: 17/445,260 - Filed: 2021-08-17 - Published: 2022-03-31 - Granted: 2024-06-11 - Earliest claimed: 2020-09-25 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Jing Sun; Xiaoxia Zhang - Web page: https://patentgrep.com/patent/US12009932B2 ## CPC - H04L 1/1819: {with retransmission of additional or different redundancy} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04B 7/0456: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting - H04L 1/1822: involving configuration of automatic repeat request [ARQ] with parallel processes - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 1/1896: {ARQ related signaling} - H04L 5/0033: {each allocating device acting autonomously, i.e. without negotiation with other allocating devices} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04W 72/20: Control channels or signalling for resource management - H04L 1/1614: {using bitmaps} - H04L 1/1664: {the supervisory signal being transmitted together with payload signals; piggybacking} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0026: {Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive sidelink control information (SCI) indicating that the UE is to transmit sidelink hybrid automatic repeat request (HARQ) feedback in a type 3 codebook. The UE may transmit the type 3 codebook on a physical sidelink channel for one or more sidelink HARQ processes based at least in part on the SCI. Numerous other aspects are provided. ## Claims ### Claim 1 A method of wireless communication performed by a user equipment (UE), comprising: receiving, from a second UE, sidelink control information (SCI) indicating that the UE is to use a type 3 codebook for transmitting sidelink hybrid automatic repeat request (HARQ) feedback; and transmitting, to the second UE, the type 3 codebook on a physical sidelink channel for one or more sidelink HARQ processes based at least in part on the SCI indicating that the UE is to use the type 3 codebook for transmitting the sidelink HARQ feedback. ### Claim 2 (depends on 1) The method of claim 1, wherein the sidelink HARQ feedback includes, for each of the one or more sidelink HARQ processes, a HARQ acknowledgement (ACK) or negative acknowledgement (NACK) that is multiplexed into the type 3 codebook. ### Claim 3 (depends on 1) The method of claim 1, further comprising transmitting a new data indicator for each corresponding sidelink HARQ process of the one or more sidelink HARQ processes. ### Claim 4 (depends on 1) The method of claim 1, wherein the physical sidelink channel includes a physical sidelink feedback channel (PSFCH). ### Claim 5 (depends on 4) The method of claim 4, further comprising determining a PSFCH resource for the type 3 codebook from a type 3 PSFCH resource pool. ### Claim 6 (depends on 4) The method of claim 4, further comprising transmitting the type 3 codebook on the PSFCH as a single type 3 codebook for a plurality of PSFCH feedbacks based at least in part on determining that at least one of the plurality of PSFCH feedbacks is a type 3 codebook. ### Claim 7 (depends on 1) The method of claim 1, further comprising transmitting the type 3 codebook as a single type 3 codebook from among a plurality of type 3 codebooks, wherein transmitting the type 3 codebook as the single type 3 codebook is based at least in part on selecting a type 3 codebook with a lowest index of indices of the plurality of type 3 codebooks. ### Claim 8 (depends on 6) The method of claim 6, further comprising selecting the single type 3 codebook based at least in part on a PSFCH resource hash of one or more of a source identifier or a destination identifier. ### Claim 9 (depends on 1) The method of claim 1, wherein the physical sidelink channel includes a physical sidelink shared channel or a physical sidelink control channel. ### Claim 10 (depends on 1) The method of claim 1, wherein the SCI is in format SCI2. ### Claim 11 A method of wireless communication performed by a user equipment (UE), comprising: transmitting, to a second UE, sidelink control information (SCI) indicating that the second UE is to use a type 3 codebook for transmitting sidelink hybrid automatic repeat request (HARQ) feedback for one or more sidelink HARQ processes; and receiving the type 3 codebook from the second UE on a physical sidelink channel after transmitting the SCI and based at least in on the SCI indicating that the second UE is to use the type 3 codebook for transmitting the sidelink HARQ feedback. ### Claim 12 (depends on 11) The method of claim 11, wherein the sidelink HARQ feedback includes, for each of the one or more sidelink HARQ processes, a HARQ acknowledgement (ACK) or negative acknowledgement (NACK) that is multiplexed into the type 3 codebook. ### Claim 13 (depends on 11) The method of claim 11, further comprising receiving a new data indicator for each corresponding sidelink HARQ process of the one or more sidelink HARQ processes. ### Claim 14 (depends on 11) The method of claim 11, wherein the physical sidelink channel includes a physical sidelink feedback channel (PSFCH). ### Claim 15 (depends on 14) The method of claim 14, further comprising receiving a single type 3 codebook on the PSFCH, as the type 3 codebook, for a plurality of PSFCH feedbacks. ### Claim 16 (depends on 11) The method of claim 11, wherein the physical sidelink channel includes a physical sidelink shared channel or a physical sidelink control channel. ### Claim 17 (depends on 11) The method of claim 11, wherein the SCI is in format SCI2. ### Claim 18 A user equipment (UE) for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: receive, from a second UE, sidelink control information (SCI) indicating that the UE is to use a type 3 codebook for transmitting sidelink hybrid automatic repeat request (HARQ) feedback; and transmit the type 3 codebook on a physical sidelink channel for one or more sidelink HARQ processes based at least in part on the SCI indicating that the UE is to transmit use the type 3 codebook for transmitting the sidelink HARQ feedback. ### Claim 19 (depends on 18) The UE of claim 18, wherein the sidelink HARQ feedback includes, for each of the one or more sidelink HARQ processes, a HARQ acknowledgement (ACK) or negative acknowledgement (NACK) that is multiplexed into the type 3 codebook. ### Claim 20 (depends on 18) The UE of claim 18, wherein the one or more processors are configured to transmit a new data indicator for each corresponding sidelink HARQ process of the one or more sidelink HARQ processes. ### Claim 21 (depends on 18) The UE of claim 18, wherein the physical sidelink channel includes a physical sidelink feedback channel (PSFCH). ### Claim 22 (depends on 21) The UE of claim 21, wherein the one or more processors are configured to determine a PSFCH resource for the type 3 codebook from a type 3 PSFCH resource pool. ### Claim 23 (depends on 21) The UE of claim 21, wherein the one or more processors are configured to transmit the type 3 codebook on the PSFCH as a single type 3 codebook for a plurality of PSFCH feedbacks based at least in part on determining that at least one of the plurality of PSFCH feedbacks is a type 3 codebook. ### Claim 24 (depends on 18) The UE of claim 18, wherein the one or more processors are configured to transmit the type 3 codebook as a single type 3 codebook from among a plurality of type 3 codebooks, wherein transmitting the type 3 codebook as the single type 3 codebook is based at least in part on selecting a type 3 codebook with a lowest index of indices of the plurality of type 3 codebooks. ### Claim 25 (depends on 23) The UE of claim 23, wherein the one or more processors are configured to select the single type 3 codebook based at least in part on a PSFCH resource hash of one or more of a source identifier or a destination identifier. ### Claim 26 A user equipment (UE) for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: transmit, to a second UE, sidelink control information (SCI) indicating that the second UE is to use a type 3 codebook for transmitting sidelink hybrid automatic repeat request (HARQ) feedback for one or more sidelink HARQ processes; and receive the type 3 codebook from the second UE on a physical sidelink channel after transmitting the SCI and based at least in part on the SCI indicating that the second UE is to use the type 3 codebook for transmitting the sidelink HARQ feedback. ### Claim 27 (depends on 26) The UE of claim 26, wherein the sidelink HARQ feedback includes, for each of the one or more sidelink HARQ processes, a HARQ acknowledgement (ACK) or negative acknowledgement (NACK) that is multiplexed into the type 3 codebook. ### Claim 28 (depends on 26) The UE of claim 26, wherein the one or more processors are configured to receive a new data indicator for each corresponding sidelink HARQ process of the one or more sidelink HARQ processes. ### Claim 29 (depends on 26) The UE of claim 26, wherein the physical sidelink channel includes a physical sidelink feedback channel (PSFCH). ### Claim 30 (depends on 29) The UE of claim 29, wherein the one or more processors are further configured to receive a single type 3 codebook on the PSFCH, as the type 3 codebook, for a plurality of PSFCH feedbacks.