# US 2022/0286243 A1 · Prioritization between feedback transmissions and receptions over sidelink > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0286243 A1 - Document ID: US20220286243A1 - Status: Published application - Kind: A1 - Application number: 17/191,546 - Filed: 2021-03-03 - Published: 2022-09-08 - Earliest claimed: 2021-03-03 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Wei Yang; Seyedkianoush Hosseini; Sony Akkarakaran - Web page: https://patentgrep.com/patent/US20220286243A1 ## CPC - H04L 1/1854: {Scheduling and prioritising arrangements} - H04L 1/1896: {ARQ related signaling} - H04L 1/1614: {using bitmaps} - H04L 1/1819: {with retransmission of additional or different redundancy} - H04L 1/1861: {Physical mapping arrangements (for ACK signaling see also H04L5/0053)} - H04L 1/1887: {Scheduling and prioritising arrangements} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/20: Control channels or signalling for resource management - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods, systems, and devices for wireless communications are described. In some wireless communications systems, a first wireless device may receive one or more sidelink control information messages scheduling a first multi-bit feedback and indicating a number of priority field values associated with respective feedback bits of the first multi-bit feedback. In such cases, the priority of the first multi-bit feedback may correspond to the highest priority field value. The first wireless device may determine that a first set of resources allocated for the first multi-bit feedback at least partially overlaps with a second set of resources allocated for a second feedback having a second priority, and the first wireless device may select the first or second feedback to transmit or receive based on the determined priorities of the first multi-bit feedback or the second feedback. ## Claims ### Claim 1 An apparatus for wireless communications at a first wireless device, comprising: a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: receive, from a second wireless device, one or more sidelink control information messages scheduling a first multi-bit feedback and indicating a plurality of priority field values associated with respective feedback bits of the first multi-bit feedback, wherein a first priority of the first multi-bit feedback corresponds to a highest priority of the plurality of priority field values; determine that a first set of resources allocated for the first multi-bit feedback at least partially overlaps with a second set of resources allocated for a second feedback having a second priority; select one of the first multi-bit feedback or the second feedback based at least in part on the first priority of the first multi-bit feedback and the second priority of the second feedback; and transmit or receive, the selected one of the first multi-bit feedback or the second feedback. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: select the first multi-bit feedback for transmission or reception over the first set of resources based at least in part on the first priority being higher than the second priority. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein a first priority field value corresponding to the first priority is smaller than a second priority field value corresponding to the second priority. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: receive, from the second wireless device, a priority field value associated with the second feedback, wherein the priority field value associated with the second feedback corresponds to the second priority of the second feedback. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: determine that the first priority of the first multi-bit feedback is equal to the second priority of the second feedback; compare a number of feedback bits of the first multi-bit feedback to a number of feedback bits of the second feedback to determine which feedback has a greatest number of feedback bits; and select the first multi-bit feedback or the second feedback for transmitting or receiving based at least in part on the comparing. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: determine that the first multi-bit feedback is associated with a first number of transport blocks and the second feedback is associated with a second number of transport blocks; and select the first multi-bit feedback or the second feedback for transmitting or receiving based at least in part on the respective feedback transmission that is associated with a greater number of transport blocks. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: determine that the first priority of the first multi-bit feedback is equal to the second priority of the second feedback, wherein the first multi-bit feedback comprises a first set of feedback bit repetitions; and select the first multi-bit feedback for transmitting or receiving based at least in part on the first multi-bit feedback comprising the first set of feedback bit repetitions. ### Claim 8 (depends on 7) The apparatus of claim 7, wherein the second feedback comprises a single-shot feedback transmission. ### Claim 9 (depends on 7) The apparatus of claim 7, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: determine the second feedback comprises a second set of feedback bit repetitions; and select the first multi-bit feedback for transmitting or receiving based at least in part on the first multi-bit feedback occurring before the second feedback. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: determine that the first multi-bit feedback occurs concurrently with the second feedback; and select the first multi-bit feedback for transmitting or receiving based at least in part on the first multi-bit feedback comprising a greater number of feedback bits. ### Claim 11 (depends on 7) The apparatus of claim 7, wherein the instructions to select one of the first multi-bit feedback or the second feedback are executable by the processor to cause the apparatus to: determine the second feedback comprises a second set of feedback bit repetitions; and select the first multi-bit feedback for transmitting or receiving based at least in part on the first set of feedback bit repetitions having a greater number of repetitions than the second set of feedback bit repetitions, wherein the first multi-bit feedback and the second feedback have an equal number of feedback bits. ### Claim 12 (depends on 7) The apparatus of claim 7, wherein the instructions are further executable by the processor to cause the apparatus to: determine the second feedback comprises a second set of feedback bit repetitions, wherein at least a portion of the first set of feedback bit repetitions are non-overlapping with the second set of feedback bit repetitions; and transmit or receive at least the portion of the first set of feedback bit repetitions and the second set of feedback bit repetitions that are non-overlapping. ### Claim 13 (depends on 1) The apparatus of claim 1, wherein the respective feedback bits of the first multi-bit feedback comprise a plurality of hybrid automatic repeat request (HARQ) bits responsive to at least one sidelink shared channel transmission. ### Claim 14 (depends on 1) The apparatus of claim 1, wherein the second priority of the second feedback corresponds to an additional highest priority of one or more priority field values associated with respective feedback bits of the second feedback. ### Claim 15 A method for wireless communications at a first wireless device, comprising: receiving, from a second wireless device, one or more sidelink control information messages scheduling a first multi-bit feedback and indicating a plurality of priority field values associated with respective feedback bits of the first multi-bit feedback, wherein a first priority of the first multi-bit feedback corresponds to a highest priority of the plurality of priority field values; determining that a first set of resources allocated for the first multi-bit feedback at least partially overlaps with a second set of resources allocated for a second feedback having a second priority; selecting one of the first multi-bit feedback or the second feedback based at least in part on the first priority of the first multi-bit feedback and the second priority of the second feedback; and transmitting or receiving, the selected one of the first multi-bit feedback or the second feedback. ### Claim 16 (depends on 15) The method of claim 15, wherein selecting one of the first multi-bit feedback or the second feedback comprises: selecting the first multi-bit feedback for transmission or reception over the first set of resources based at least in part on the first priority being higher than the second priority. ### Claim 17 (depends on 16) The method of claim 16, wherein a first priority field value corresponding to the first priority is smaller than a second priority field value corresponding to the second priority. ### Claim 18 (depends on 15) The method of claim 15, wherein selecting one of the first multi-bit feedback or the second feedback comprises: receiving, from the second wireless device, a priority field value associated with the second feedback, wherein the priority field value associated with the second feedback corresponds to the second priority of the second feedback. ### Claim 19 (depends on 15) The method of claim 15, wherein selecting one of the first multi-bit feedback or the second feedback comprises: determining that the first priority of the first multi-bit feedback is equal to the second priority of the second feedback; comparing a number of feedback bits of the first multi-bit feedback to a number of feedback bits of the second feedback to determine which feedback has a greater number of feedback bits; and selecting the first multi-bit feedback or the second feedback for transmitting or receiving based at least in part on the comparing. ### Claim 20 (depends on 15) The method of claim 15, wherein selecting one of the first multi-bit feedback or the second feedback comprises: determining that the first multi-bit feedback is associated with a first number of transport blocks and the second feedback is associated with a second number of transport blocks; and selecting the first multi-bit feedback or the second feedback for transmitting or receiving based at least in part on the respective feedback transmission that is associated with a greater number of transport blocks. ### Claim 21 (depends on 15) The method of claim 15, wherein selecting one of the first multi-bit feedback or the second feedback comprises: determining that the first priority of the first multi-bit feedback is equal to the second priority of the second feedback, wherein the first multi-bit feedback comprises a first set of feedback bit repetitions; and selecting the first multi-bit feedback for transmitting or receiving based at least in part on the first multi-bit feedback comprising the first set of feedback bit repetitions. ### Claim 22 (depends on 21) The method of claim 21, wherein the second feedback comprises a single-shot feedback transmission. ### Claim 23 (depends on 21) The method of claim 21, wherein selecting one of the first multi-bit feedback or the second feedback comprises: determining the second feedback comprises a second set of feedback bit repetitions; and selecting the first multi-bit feedback for transmitting or receiving based at least in part on the first multi-bit feedback occurring before the second feedback. ### Claim 24 (depends on 23) The method of claim 23, wherein selecting one of the first multi-bit feedback or the second feedback comprises: determining that the first multi-bit feedback occurs concurrently with the second feedback; and selecting the first multi-bit feedback for transmitting or receiving based at least in part on the first multi-bit feedback comprising a greater number of feedback bits. ### Claim 25 (depends on 21) The method of claim 21, wherein selecting one of the first multi-bit feedback or the second feedback comprises: determining the second feedback comprises a second set of feedback bit repetitions; and selecting the first multi-bit feedback for transmitting or receiving based at least in part on the first set of feedback bit repetitions having a greater number of repetitions than the second set of feedback bit repetitions, wherein the first multi-bit feedback and the second feedback have an equal number of feedback bits. ### Claim 26 (depends on 21) The method of claim 21, further comprising: determining the second feedback comprises a second set of feedback bit repetitions, wherein at least a portion of the first set of feedback bit repetitions are non-overlapping with the second set of feedback bit repetitions; and transmitting or receiving at least the portion of the first set of feedback bit repetitions and the second set of feedback bit repetitions that are non-overlapping. ### Claim 27 (depends on 15) The method of claim 15, wherein the respective feedback bits of the first multi-bit feedback comprise a plurality of hybrid automatic repeat request (HARQ) bits responsive to at least one sidelink shared channel transmission. ### Claim 28 (depends on 15) The method of claim 15, wherein the second priority of the second feedback corresponds to an additional highest priority of one or more priority field values associated with respective feedback bits of the second feedback. ### Claim 29 An apparatus for wireless communications at a first wireless device, comprising: means for receiving, from a second wireless device, one or more sidelink control information messages scheduling a first multi-bit feedback and indicating a plurality of priority field values associated with respective feedback bits of the first multi-bit feedback, wherein a first priority of the first multi-bit feedback corresponds to a highest priority of the plurality of priority field values; means for determining that a first set of resources allocated for the first multi-bit feedback at least partially overlaps with a second set of resources allocated for a second feedback having a second priority; means for selecting one of the first multi-bit feedback or the second feedback based at least in part on the first priority of the first multi-bit feedback and the second priority of the second feedback; and means for transmitting or receiving, the selected one of the first multi-bit feedback or the second feedback. ### Claim 30 A non-transitory computer-readable medium storing code for wireless communications at a first wireless device, the code comprising instructions executable by a processor to: receive, from a second wireless device, one or more sidelink control information messages scheduling a first multi-bit feedback and indicating a plurality of priority field values associated with respective feedback bits of the first multi-bit feedback, wherein a first priority of the first multi-bit feedback corresponds to a highest priority of the plurality of priority field values; determine that a first set of resources allocated for the first multi-bit feedback at least partially overlaps with a second set of resources allocated for a second feedback having a second priority; select one of the first multi-bit feedback or the second feedback based at least in part on the first priority of the first multi-bit feedback and the second priority of the second feedback; and transmit or receive, the selected one of the first multi-bit feedback or the second feedback.