# US 2021/0345265 A1 · Method and apparatus for resource allocation and bandwidth part inactivity timer handling for vehicle-to-everything communication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0345265 A1 - Document ID: US20210345265A1 - Status: Published application - Kind: A1 - Application number: 17/368,223 - Filed: 2021-07-06 - Published: 2021-11-04 - Earliest claimed: 2018-09-18 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Anil AGIWAL; Seungri JIN - Web page: https://patentgrep.com/patent/US20210345265A1 ## CPC - H04W 56/001: {Synchronization between nodes} - H04L 5/005: {of common pilots, i.e. pilots destined for multiple users or terminals} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0092: {Indication of how the channel is divided} - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 48/12: using downlink control channel - H04W 68/02: Arrangements for increasing efficiency of notification or paging channel - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 76/11: Allocation or use of connection identifiers - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 4/44: for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H] - H04W 4/46: for vehicle-to-vehicle communication [V2V] - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 76/14: Direct-mode setup - 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 Disclosed is a method by a terminal for performing a sidelink (SL) communication, including receiving, from a base station, configuration information on an SL communication including information on one or more SL resource pools and information on a BWP for each of the one or more SL resource pools, receiving, from the base station, downlink control information (DCI) indicating resources for the SL communication from the one or more SL resource pools, identifying the resources and the BWP for the SL communication based on the configuration information and the DCI, and performing the SL communication based on the resources on the BWP. ## Claims ### Claim 1 A method by a terminal for performing a sidelink (SL) communication, the method comprising: receiving, from a base station, configuration information on an SL communication including information on one or more SL resource pools and information on a bandwidth part (BWP) for each of the one or more ST resource pools; receiving, from the base station, downlink control information (DCI) indicating resources for the SL communication from the one or more SL resource pools; identifying the resources and the BWP for the SL communication based on the configuration information and the DCI; and performing the SL communication based on the resources on the BWP. ### Claim 2 (depends on 1) The method of claim 1, further comprising: transmitting, to the base station, a message requesting resources for an SL transmission to indicate a frequency for the SL transmission and a destination of the SL transmission. ### Claim 3 (depends on 1) The method of claim 1, wherein the information on the BWP includes at least one of an identity, a subcarrier spacing (SCS), a location, and a bandwidth of the BWP. ### Claim 4 (depends on 1) The method of claim 1, wherein the DCI is received through a physical downlink control channel (PDCCH) addressed to an SL-radio network temporary identifier (RNTI) on an active downlink (DL) BWP. ### Claim 5 (depends on 4) The method of claim 4, further comprising: starting a BWP inactivity timer associated with the active DL BWP. ### Claim 6 (depends on 1) The method of claim 1, wherein the DCI includes information indicating one of the one or more SL resource pools. ### Claim 7 A method by a base station for supporting a sidelink (SL) communication, the method comprising: transmitting, to a terminal, configuration information on an SL communication including information on one or more SL resource pools and information on a bandwidth part (BWP) for each of the one or more SL resource pools; and transmitting, from the terminal, downlink control information (DCI) indicating resources for an SL communication from the one or more SL resource pools. ### Claim 8 (depends on 7) The method of claim 7, further comprising: receiving, from the terminal, a message requesting resources for an SL transmission to indicate a frequency for the SL transmission and a destination of the SL transmission. ### Claim 9 (depends on 7) The method of claim 7, wherein the information on the BWP includes at least one of an identity, a subcarrier spacing (SCS), a location, and a bandwidth of the BWP. ### Claim 10 (depends on 7) The method of claim 7, wherein the DCI is transmitted through a physical downlink control channel (PDCCH) addressed to an SL-radio network temporary identifier (RNTI) on an active downlink (DL) BWP, and wherein the DCI includes information indicating one of the one or more SL resource pools. ### Claim 11 A terminal in a wireless communication system, comprising: a transceiver; and a controller coupled with the transceiver and configured to: receive, from a base station via the transceiver, configuration information on a sidelink (SL) communication including information on one or more SL resource pools and information on a bandwidth part (BWP) for each of the one or more SL resource pools, receive, from the base station via the transceiver, downlink control information (DCI) indicating resources for the SL communication from the one or more SL resource pools, identify the resources and the BWP for the SL communication based on the configuration information and the DCI, and perform the SL communication based on the resources on the BWP. ### Claim 12 (depends on 11) The terminal of claim 11, wherein the controller is further configured to transmit, to the base station via the transceiver, a message requesting resources for an SL transmission to indicate a frequency for the SL transmission and a destination of the SL transmission. ### Claim 13 (depends on 11) The terminal of claim 11, wherein the information on the BWP includes at least one of an identity, a subcarrier spacing (SCS), a location, and a bandwidth of the BWP. ### Claim 14 (depends on 11) The terminal of claim 11, wherein the controller is further configured to receive the DCI through a physical downlink control channel (PDCCH) addressed to an SL-radio network temporary identifier (RNTI) on an active downlink (DL) BWP. ### Claim 15 (depends on 11) The terminal of claim 11, wherein the controller is further configured to start a BWP inactivity timer associated with the active DL BWP. ### Claim 16 (depends on 11) The terminal of claim 11, wherein the DCI includes information indicating one of the one or more SL resource pools. ### Claim 17 A base station in a wireless communication system, comprising: a transceiver; and a controller coupled with the transceiver and configured to: transmit, to a terminal via the transceiver, configuration information on a sidelink (SL) communication including information on one or more SL resource pools and information on a bandwidth part (BWP) for each of the one or more SL resource pools, and transmit, from the terminal via the transceiver, downlink control information (DCI) indicating resources for the SL communication from the one or more SL resource pools. ### Claim 18 (depends on 17) The base station of claim 17, wherein the controller is further configured to receive, from the terminal via the transceiver, a message requesting resources for an SL transmission to indicate a frequency for the SL transmission and a destination of the SL transmission. ### Claim 19 (depends on 17) The base station of claim 17, wherein the information on the BWP includes at least one of an identity, a subcarrier spacing (SCS), a location, and a bandwidth of the BWP. ### Claim 20 (depends on 17) The base station of claim 17, wherein the controller is further configured to transmit the DCI through a physical downlink control channel (PDCCH) addressed to an SL-radio network temporary identifier (RNTI) on an active downlink (DL) BWP, and wherein the DCI includes information indicating one of the one or more SL resource pools.