# US 12,004,133 B2 · Method and apparatus for selecting resources based on partial sensing in NR V2X > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,133 B2 - Document ID: US12004133B2 - Status: Granted - Kind: B2 - Application number: 18/389,528 - Filed: 2023-11-14 - Published: 2024-03-21 - Granted: 2024-06-04 - Earliest claimed: 2021-07-06 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Woosuk Ko; Hanbyul Seo; Seungmin Lee - Web page: https://patentgrep.com/patent/US12004133B2 ## CPC - H04W 72/02: Selection of wireless resources by user or terminal - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 1/1893: {Physical mapping arrangements (physical resource mapping in general H04L5/00)} - H04W 74/0808: using carrier sensing, e.g. carrier sense multiple access [CSMA] - H04W 72/40: Resource management for direct mode communication, e.g. D2D or sidelink - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A method for a first device to perform wireless communication based on partial sensing and an apparatus supporting the same are provided. The method may comprise: triggering a resource selection procedure; determining a selection window within a packet delay budget (PDB) based on the triggering of the resource selection procedure; selecting Y candidate slots in the selection window; performing sensing within a contiguous partial sensing (CPS) window related to the Y candidate slots; and selecting a sidelink (SL) resource based on random selection within the selection window, based on the number of slots included in the CPS window which is less than a minimum number of slots, wherein Y is a positive integer. ## Claims ### Claim 1 A method for performing wireless communication based on partial sensing by a first device, the method comprising: triggering a resource selection procedure; determining a time interval within a packet delay budget (PDB) based on the triggering of the resource selection procedure; selecting Y candidate slots within the time interval; determining a contiguous partial sensing (CPS) window related to the Y candidate slots; and selecting a sidelink (SL) resource, wherein, based on that a minimum number of slots for CPS is not guaranteed, the SL resource is selected based on random selection from a resource pool, and wherein Y is a positive integer. ### Claim 2 (depends on 1) The method of claim 1, wherein, based on that the minimum number of slots for the CPS is guaranteed, the SL resource is selected based on the CPS in the Y candidate slots. ### Claim 3 (depends on 1) The method of claim 1, wherein information related to the minimum number of slots for the CPS is configured for the first device. ### Claim 4 (depends on 3) The method of claim 3, wherein the information related to the minimum number of slots for the CPS indicates a minimum size of the CPS window. ### Claim 5 (depends on 1) The method of claim 1, wherein information related to the resource pool is configured for the first device. ### Claim 6 (depends on 1) The method of claim 1, wherein the Y candidate slots are selected within the time interval such that Y is greater than or equal to a minimum number of candidate slots. ### Claim 7 (depends on 1) The method of claim 1, wherein, based on that a number of hybrid automatic repeat request (HARQ) negative acknowledgment (NACK) receptions is less than or equal to a threshold, the first device is allowed not to perform sensing within the CPS window related to the Y candidate slots. ### Claim 8 (depends on 1) The method of claim 1, wherein, based on that a channel congestion level is less than or equal to a threshold, the first device is allowed not to perform sensing within the CPS window related to the Y candidate slots. ### Claim 9 (depends on 1) The method of claim 1, wherein, based on that the resource selection procedure is triggered for SL transmission with a minimum communication range requirement which is less than or equal to a threshold, the first device is allowed not to perform sensing within the CPS window related to the Y candidate slots. ### Claim 10 (depends on 1) The method of claim 1, wherein, based on that the resource selection procedure is triggered for SL transmission with a priority value which is less than or equal to a threshold, the first device is allowed not to perform sensing within the CPS window related to the Y candidate slots. ### Claim 11 A first device adapted to perform wireless communication based on partial sensing, the first device comprising: at least one transceiver; at least one processor; and at least one memory connected to the at least one processor and storing instructions that, based on being executed by the at least one processor, cause the first device to perform operations comprising: triggering a resource selection procedure; determining a time interval within a packet delay budget (PDB) based on the triggering of the resource selection procedure; selecting Y candidate slots within the time interval; determining a contiguous partial sensing (CPS) window related to the Y candidate slots; and selecting a sidelink (SL) resource, wherein, based on that a minimum number of slots for CPS is not guaranteed, the SL resource is selected based on random selection from a resource pool, and wherein Y is a positive integer. ### Claim 12 (depends on 11) The first device of claim 11, wherein, based on that the minimum number of slots for the CPS is guaranteed, the SL resource is selected based on the CPS in the Y candidate slots. ### Claim 13 (depends on 11) The first device of claim 11, wherein information related to the minimum number of slots for the CPS is configured for the first device. ### Claim 14 (depends on 13) The first device of claim 13, wherein the information related to the minimum number of slots for the CPS indicates a minimum size of the CPS window. ### Claim 15 (depends on 11) The first device of claim 11, wherein information related to the resource pool is configured for the first device. ### Claim 16 A processing device adapted to control a first device performing wireless communication based on partial sensing, the processing device comprising: at least one processor; and at least one memory connected to the at least one processor and storing instructions that, based on being executed by the at least one processor, cause the first device to perform operations comprising: triggering a resource selection procedure; determining a time interval within a packet delay budget (PDB) based on the triggering of the resource selection procedure; selecting Y candidate slots within the time interval; determining a contiguous partial sensing (CPS) window related to the Y candidate slots; and selecting a sidelink (SL) resource, wherein, based on that a minimum number of slots for CPS is not guaranteed, the SL resource is selected based on random selection from a resource pool, and wherein Y is a positive integer. ### Claim 17 (depends on 16) The processing device of claim 16, wherein, based on that the minimum number of slots for the CPS is guaranteed, the SL resource is selected based on the CPS in the Y candidate slots. ### Claim 18 (depends on 16) The processing device of claim 16, wherein information related to the minimum number of slots for the CPS is configured for the first device. ### Claim 19 (depends on 18) The processing device of claim 18, wherein the information related to the minimum number of slots for the CPS indicates a minimum size of the CPS window. ### Claim 20 (depends on 16) The processing device of claim 16, wherein information related to the resource pool is configured for the first device.