# US 12,114,337 B2 · Method of transmitting or receiving sidelink signal in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,114,337 B2 - Document ID: US12114337B2 - Status: Granted - Kind: B2 - Application number: 17/615,003 - Filed: 2020-07-30 - Published: 2022-07-14 - Granted: 2024-10-08 - Earliest claimed: 2019-07-30 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Seoyoung Back; Woosuk Ko; Seungmin Lee - Web page: https://patentgrep.com/patent/US12114337B2 ## CPC - H04W 72/40: Resource management for direct mode communication, e.g. D2D or sidelink - H04L 5/00: Arrangements affording multiple use of the transmission path - H04L 25/0216: {with estimation of channel length} - H04L 27/2607: {Cyclic extensions} - H04L 27/2647: {Arrangements specific to the receiver only (equalisation H04L27/01)} - H04L 27/2695: {with channel estimation, e.g. determination of delay spread, derivative or peak tracking (channel estimation H04L25/0202)} - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 28/0875: {to or through Device to Device [D2D] links, e.g. direct-mode links} - H04W 28/09: {Management thereof} - H04W 56/00: Synchronisation arrangements - H04W 72/044: based on the type of the allocated resource - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/25: between terminals via a wireless link, e.g. sidelink - H04W 76/14: Direct-mode setup - H04W 76/23: Manipulation of direct-mode connections - H04W 72/20: Control channels or signalling for resource management - H04W 84/005: {Moving wireless networks} - H04W 84/02: Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop] - H04W 88/04: adapted for relaying to or from another terminal or user - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04W 92/02: Inter-networking arrangements - 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 An aspect of the present disclosure provides a method of a user device in a wireless communication system, the method comprising: receiving, on one bandwidth part (BWP) among multiple BWPs, multiple discovery signals; on the basis of a delay spread value of each of the multiple discovery signals, transmitting, on the one BWP, allocation information of BWPs remaining after excluding the one BWP among the multiple BWPs; and receiving, on the remaining BWPs, multiple sidelink control signals and data signals, wherein it is configured that only an extended CP is to be used on the one BWP, and only a normal CP is to be used on the remaining BWPs. The user device is an autonomous driving vehicle or is included in an autonomous driving vehicle. ## Claims ### Claim 1 A method of a user equipment (UE) in a wireless communication system, the method comprising: receiving a plurality of discovery signals in one of a plurality of bandwidth parts (BWPs); transmitting allocation information regarding remaining BWPs except for the one BWP among the plurality of BWPs in the one BWP, based on delay spread values of the plurality of respective discovery signals; and receiving a plurality of control signals and data signals in the remaining BWPs, wherein the one BWP is configured to be used only with an extended cyclic prefix (CP), and the remaining BWPs are configured to be used only with a normal CP. ### Claim 2 (depends on 1) The method according to claim 1, wherein based on the delay spread values being included in a length of the normal CP, the remaining BWPs are allocated differently to a plurality of respective UEs which have transmitted the plurality of discovery signals. ### Claim 3 (depends on 2) The method according to claim 2, wherein based on the delay spread values being equal to or larger than (n−1) times the length of the normal CP and less than n times the length of the normal CP, the remaining BWPs are allocated differently to the plurality of respective UEs which have transmitted the plurality of discovery signals, and n is a natural number. ### Claim 4 (depends on 2) The method according to claim 2, wherein the one BWP and the remaining BWPs are allocated to different resources in a time domain. ### Claim 5 (depends on 4) The method according to claim 4, wherein a time gap is configured between the one BWP and the remaining BWPs. ### Claim 6 (depends on 4) The method according to claim 4, wherein a time gap is configured between the remaining BWPs adjacent to teach other. ### Claim 7 (depends on 2) The method according to claim 2, wherein the allocation information includes an index of a BWP allocated to each of a plurality of UEs which have transmitted the plurality of discovery signals. ### Claim 8 An apparatus for a user equipment (UE) in a wireless communication system, the apparatus comprising: at least one processor; and at least one memory operably coupled to the at least one processor and storing at least one instruction which causes the at least one processor to perform operations, wherein the operations include: receiving a plurality of discovery signals in one of a plurality of bandwidth parts (BWPs); transmitting allocation information regarding remaining BWPs except for the one BWP among the plurality of BWPs in the one BWP, based on delay spread values of the plurality of respective discovery signals; and receiving a plurality of control signals and data signals in the remaining BWPs, and wherein the one BWP is configured to be used only with an extended cyclic prefix (CP), and the remaining BWPs are configured to be used only with a normal CP. ### Claim 9 (depends on 8) The apparatus according to claim 8, wherein based on the delay spread values being included in a length of the normal CP, the remaining BWPs are allocated differently to a plurality of respective UEs which have transmitted the plurality of discovery signals. ### Claim 10 (depends on 9) The apparatus according to claim 9, wherein based on the delay spread values being equal to or larger than (n−1) times the length of the normal CP and less than n times the length of the normal CP, the remaining BWPs are allocated differently to the plurality of respective UEs which have transmitted the plurality of discovery signals, and n is a natural number. ### Claim 11 (depends on 9) The apparatus according to claim 9, wherein the one BWP and the remaining BWPs are allocated to different resources in a time domain. ### Claim 12 (depends on 9) The apparatus according to claim 9, wherein the allocation information includes an index of a BWP allocated to each of a plurality of UEs which have transmitted the plurality of discovery signals. ### Claim 13 (depends on 8) The apparatus according to claim 8, wherein the UE is an autonomous driving vehicle or is included in an autonomous driving vehicle. ### Claim 14 A processor for performing operations for a user equipment (UE) in a wireless communication system, wherein the operations include: receiving a plurality of discovery signals in one of a plurality of bandwidth parts (BWPs); transmitting allocation information regarding remaining BWPs except for the one BWP among the plurality of BWPs in the one BWP, based on delay spread values of the plurality of respective discovery signals; and receiving a plurality of control signals and data signals in the remaining BWPs, and wherein the one BWP is configured to be used only with an extended cyclic prefix (CP), and the remaining BWPs are configured to be used only with a normal CP. ### Claim 15 A non-transitory computer-readable storage medium storing at least one computer program including at least one instruction which, when executed by at least one processor, causes the at least one processor to perform operations for a user equipment (UE), wherein the operations include: receiving a plurality of discovery signals in one of a plurality of bandwidth parts (BWPs); transmitting allocation information regarding remaining BWPs except for the one BWP among the plurality of BWPs in the one BWP, based on delay spread values of the plurality of respective discovery signals; and receiving a plurality of control signals and data signals in the remaining BWPs, and wherein the one BWP is configured to be used only with an extended cyclic prefix (CP), and the remaining BWPs are configured to be used only with a normal CP.