# US 12,120,668 B2 · Method and device for performing SL communication on basis of resource allocation mode 1 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 12,120,668 B2 - Document ID: US12120668B2 - Status: Granted - Kind: B2 - Application number: 17/773,522 - Filed: 2020-10-29 - Published: 2022-12-22 - Granted: 2024-10-15 - Earliest claimed: 2019-10-31 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Woosuk Ko; Seungmin Lee; Daesung Hwang - Web page: https://patentgrep.com/patent/US12120668B2 ## CPC - H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows - H04L 1/1822: involving configuration of automatic repeat request [ARQ] with parallel processes - H04L 1/1887: {Scheduling and prioritising arrangements} - H04L 1/1893: {Physical mapping arrangements (physical resource mapping in general H04L5/00)} - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 28/0284: {detecting congestion or overload during communication (monitoring arrangements H04L43/00)} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 47/32: by discarding or delaying data units, e.g. packets or frames - H04L 2001/0092: {Error control systems characterised by the topology of the transmission link} - H04W 28/0289: {Congestion control (load shedding arrangements in network planning H04W16/08; performing reselection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12)} - H04W 72/569: {of the traffic information} - H04W 92/18: between terminal devices - 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 Provided are a method for performing wireless communication by a first device and a device for supporting same. The method comprises: receiving, from a base station, information related to a configured grant (CG) resource, wherein the CG resource includes at least one of a first resource related to CG type 1 or a second resource related to CG type 2; receiving, from the base station, information related to a dynamic grant (DG) resource; and performing a first sidelink (SL) transmission based on one of the CG resource or the DG resource. ## Claims ### Claim 1 A method for performing wireless communication by a first device, the method comprising: receiving, from a base station, information related to a configured grant (CG) resource, wherein the CG resource includes at least one of a first resource related to CG type 1 or a second resource related to CG type 2; receiving, from the base station, information related to a dynamic grant (DG) resource; and performing a first sidelink (SL) transmission based on one of the CG resource or the DG resource, wherein the CG resource or the DG resource overlaps in a time domain, wherein, based on the first SL transmission that is initial transmission, the first SL transmission is performed based on a resource related to the first SL transmission among the CG resource or the DG resource, and wherein, based on second SL transmission that is retransmission, the second SL transmission is not performed based on a resource related to the second SL transmission among the CG resource or the DG resource. ### Claim 2 (depends on 1) The method of claim 1, wherein, based on an overlapping of the first resource and the second resource, the first SL transmission is performed based on the first resource, and the second SL transmission is not performed based on the second resource. ### Claim 3 (depends on 1) The method of claim 1, wherein, based on an overlapping of the first resource and the second resource, the first SL transmission is performed based on the second resource, and the second SL transmission is not performed based on the first resource. ### Claim 4 (depends on 1) The method of claim 1, wherein the first SL transmission is performed based on a resource related to hybrid automatic repeat request (HARQ) feedback-based retransmission among the CG resource or the DG resource, and wherein the second SL transmission is not performed based on a resource related to blind retransmission or initial transmission among the CG resource or the DG resource. ### Claim 5 (depends on 1) The method of claim 1, wherein the first SL transmission is performed based on a resource related to blind retransmission among the CG resource or the DG resource, and wherein the second SL transmission is not performed based on a resource related to HARQ feedback-based retransmission or initial transmission among the CG resource or the DG resource. ### Claim 6 (depends on 1) The method of claim 1, wherein the first SL transmission with a small number of remaining retransmissions compared to a maximum number of retransmissions is performed based on one of the CG resource or the DG resource related to the first SL transmission, and wherein the second SL transmission with a large number of remaining retransmissions compared to the maximum number of retransmissions is not performed. ### Claim 7 (depends on 1) The method of claim 1, wherein the first SL transmission with a small number of retransmissions is performed based on one of the CG resource or the DG resource related to the first SL transmission, and wherein the second SL transmission with a large number of retransmissions is not performed. ### Claim 8 (depends on 1) The method of claim 1, wherein the first SL transmission related to a first cast type is performed based on one of the CG resource or the DG resource related to the first SL transmission, and wherein the second SL transmission related to a second cast type is not performed. ### Claim 9 (depends on 1) The method of claim 1, wherein the first SL transmission related to a large transport block (TB) size is performed based on one of the CG resource or the DG resource related to the first SL transmission, and wherein the second SL transmission related to a small TB size is not performed. ### Claim 10 (depends on 1) The method of claim 1, further comprising: measuring a congestion level related to a channel, wherein, based on the congestion level being equal to or greater than a threshold, the first SL transmission related to the DG resource is performed based on the DG resource, and the second SL transmission related to the CG resource is not performed. ### Claim 11 (depends on 1) The method of claim 1, wherein the information related to the DG resource is received through a first downlink control information (DCI), wherein information related to the second resource is received through a second DCI, wherein the first SL transmission is performed based on a resource allocated by a DCI received first among the first DCI and the second DCI, and wherein the second SL transmission is not performed based on a resource allocated by a DCI received later among the first DCI and the second DCI. ### Claim 12 (depends on 1) The method of claim 1, wherein, based on an overlapping of the first resource and the second resource, the first SL transmission is performed based on a resource with a large CG index among the first resource and the second resource, and the second SL transmission is not performed based on a resource with a small CG index among the first resource and the second resource. ### Claim 13 (depends on 1) The method of claim 1, wherein the first SL transmission is performed based on a resource with a large HARQ process ID among the CG resource or the DG resource, and wherein the second SL transmission is not performed based on a resource with a small HARQ process ID among the CG resource or the DG resource. ### Claim 14 A first device configured to perform wireless communication, the first device comprising: one or more memories storing instructions; one or more transceivers; and one or more processors connected to the one or more memories and the one or more transceivers, wherein the one or more processors execute the instructions to: receive, from a base station, information related to a configured grant (CG) resource, wherein the CG resource includes at least one of a first resource related to CG type 1 or a second resource related to CG type 2; receive, from the base station, information related to a dynamic grant (DG) resource; and perform a first sidelink (SL) transmission based on one of the CG resource or the DG resource, wherein the CG resource or the DG resource overlaps in a time domain, wherein, based on the first SL transmission that is initial transmission, the first SL transmission is performed based on a resource related to the first SL transmission among the CG resource or the DG resource, and wherein, based on second SL transmission that is retransmission, the second SL transmission is not performed based on a resource related to the second SL transmission among the CG resource or the DG resource. ### Claim 15 (depends on 14) The first device of claim 14, wherein, based on an overlapping of the first resource and the second resource, the first SL transmission is performed based on the first resource, and the second SL transmission is not performed based on the second resource. ### Claim 16 (depends on 14) The first device of claim 14, wherein, based on an overlapping of the first resource and the second resource, the first SL transmission is performed based on the second resource, and the second SL transmission is not performed based on the first resource. ### Claim 17 (depends on 14) The first device of claim 14, wherein the first SL transmission is performed based on a resource related to hybrid automatic repeat request (HARQ) feedback-based retransmission among the CG resource or the DG resource, and wherein the second SL transmission is not performed based on a resource related to blind retransmission or initial transmission among the CG resource or the DG resource. ### Claim 18 (depends on 14) The first device of claim 14, wherein the first SL transmission is performed based on a resource related to blind retransmission among the CG resource or the DG resource, and wherein the second SL transmission is not performed based on a resource related to HARQ feedback-based retransmission or initial transmission among the CG resource or the DG resource. ### Claim 19 (depends on 14) The first device of claim 14, wherein the first SL transmission with a small number of remaining retransmissions compared to a maximum number of retransmissions is performed based on one of the CG resource or the DG resource related to the first SL transmission, and wherein the second SL transmission with a large number of remaining retransmissions compared to the maximum number of retransmissions is not performed. ### Claim 20 An apparatus configured to control a first user equipment (UE) performing wireless communication, the apparatus comprising: one or more processors; and one or more memories operably connected to the one or more processors and storing instructions, wherein the one or more processors execute the instructions to: receive, from a base station, information related to a configured grant (CG) resource, wherein the CG resource includes at least one of a first resource related to CG type 1 or a second resource related to CG type 2; receive, from the base station, information related to a dynamic grant (DG) resource; and perform a first sidelink (SL) transmission based on one of the CG resource or the DG resource, wherein the CG resource or the DG resource overlaps in a time domain, wherein, based on the first SL transmission that is initial transmission, the first SL transmission is performed based on a resource related to the first SL transmission among the CG resource or the DG resource, and wherein, based on second SL transmission that is retransmission, the second SL transmission is not performed based on a resource related to the second SL transmission among the CG resource or the DG resource.