# US 12,114,289 B2 · Coordination signaling for sidelink resource selection > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,114,289 B2 - Document ID: US12114289B2 - Status: Granted - Kind: B2 - Application number: 17/444,449 - Filed: 2021-08-04 - Published: 2022-02-10 - Granted: 2024-10-08 - Earliest claimed: 2020-08-07 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Seyedkianoush Hosseini; Tingfang Ji; Gabi Sarkis - Web page: https://patentgrep.com/patent/US12114289B2 ## CPC - H04W 72/02: Selection of wireless resources by user or terminal - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 4/46: for vehicle-to-vehicle communication [V2V] - 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 72/20: Control channels or signalling for resource management - 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) ## Abstract Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may select a sidelink resource for inter-UE coordination signaling with a second UE. The UE may transmit, using the sidelink resource, an inter-UE coordination signal from the first UE to the second UE via a sidelink interface. Numerous other aspects are provided. ## Claims ### Claim 1 An apparatus for wireless communication at a first user equipment (UE), comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: receive, using a first sidelink resource, a request for inter-UE coordination; and transmit, using a second sidelink resource, an inter-UE coordination report to a second UE via a sidelink interface, the second sidelink resource selected by the first UE based at least in part on a mapping between the first sidelink resource and the second sidelink resource. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the one or more processors are configured to: select the second sidelink resource from dedicated resources for inter-UE coordination signaling in a sidelink resource pool. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the dedicated resources are configured or preconfigured per sidelink resource pool, per carrier, or per bandwidth part. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the one or more processors are configured to: select the second sidelink resource from resources in a sidelink resource pool dedicated for inter-UE coordination signaling. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the second sidelink resource is associated with one or more resource blocks or sub-channels. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the first sidelink resource is included in a plurality of sidelink resources available for inter-UE coordination signaling, and wherein the plurality of sidelink resources are configured with a defined periodicity. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the plurality of sidelink resources available for the inter-UE coordination signaling are configured in a single sidelink slot or distributed across a plurality of sidelink slots. ### Claim 8 (depends on 6) The apparatus of claim 6, wherein the plurality of sidelink resources available for the inter-UE coordination signaling are configured in a frequency domain and in a time domain. ### Claim 9 (depends on 6) The apparatus of claim 6, wherein the one or more processors are further configured to: transmit signaling to a plurality of UEs including the second UE indicating that the plurality of sidelink resources are not available for data transmissions. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: receive a sidelink resource configuration that defines a set of sidelink resources, wherein the one or more processors are configured to: select the second sidelink resource based at least in part on the sidelink resource configuration. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the one or more processors, to receive the sidelink resource configuration, are configured to: receive the sidelink resource configuration from a network entity or another UE. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein the one or more processors are configured to: select the second sidelink resource based at least in part on a sidelink resource allocation in which the first UE senses the second sidelink resource as available and reserves the second sidelink resource. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the one or more processors are configured to: sense the second sidelink resource as available from a sidelink resource pool dedicated for inter-UE coordination signaling; or reserve the second sidelink resource from the sidelink resource pool dedicated for inter-UE coordination signaling. ### Claim 14 (depends on 1) The apparatus of claim 1, wherein the inter-UE coordination report is transmitted based at least in part on the request for inter-UE coordination. ### Claim 15 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: map the first sidelink resource to the second sidelink resource. ### Claim 16 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: map a sub-channel associated with the first sidelink resource to a set of sidelink resources useable for inter-UE coordination signaling. ### Claim 17 (depends on 1) The apparatus of claim 1, wherein the first sidelink resource and the second sidelink resource are included in a same defined period. ### Claim 18 (depends on 1) The apparatus of claim 1, wherein the first sidelink resource is included in a first plurality of sidelink resources and the second sidelink resource is included in a second plurality of sidelink resources, and wherein the second plurality of sidelink resources is a multiple of the first plurality of sidelink resources. ### Claim 19 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: map the first sidelink resource to the second sidelink resource based at least in part on an index assigned to the first sidelink resource. ### Claim 20 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: map the first sidelink resource to a plurality of sidelink resources, wherein at least a portion of the plurality of sidelink resources are available for transmitting the inter-UE coordination report. ### Claim 21 (depends on 1) The apparatus of claim 1, wherein the one or more processors are further configured to: determine the second sidelink resource based at least in part on mapping a starting sub-channel associated with the first sidelink resource to the second sidelink resource. ### Claim 22 (depends on 21) The apparatus of claim 21, wherein the one or more processors are further configured to: determine additional sidelink resources for inter-UE coordination signaling based at least in part on a fixed offset from the second sidelink resource. ### Claim 23 A method of wireless communication performed by a first user equipment (UE), comprising: receiving, using a first sidelink resource, a request for inter-UE coordination; and transmitting, using a second sidelink resource, an inter-UE coordination report to a second UE via a sidelink interface, the second sidelink resource selected by the first UE based at least in part on a mapping between the first sidelink resource and the second sidelink resource. ### Claim 24 (depends on 23) The method of claim 23, further comprising: mapping the first sidelink resource to the second sidelink resource. ### Claim 25 (depends on 23) The method of claim 23, further comprising: mapping the first sidelink resource to a plurality of sidelink resources, wherein at least a portion of the plurality of sidelink resources are available for transmitting the inter-UE coordination report. ### Claim 26 A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising: one or more instructions that, when executed by one or more processors of a first user equipment (UE), cause the first UE to: receive, using a first sidelink resource, a request for inter-UE coordination; and transmit, using a second sidelink resource, an inter-UE coordination report to a second UE via a sidelink interface, the second sidelink resource selected by the first UE based at least in part on a mapping between the first sidelink resource and the second sidelink resource. ### Claim 27 (depends on 26) The non-transitory computer-readable medium of claim 26, wherein the one or more processors are further configured to: map the first sidelink resource to the second sidelink resource. ### Claim 28 (depends on 26) The non-transitory computer-readable medium of claim 26, wherein the one or more processors are further configured to: map the first sidelink resource to a plurality of sidelink resources, wherein at least a portion of the plurality of sidelink resources are available for transmitting the inter-UE coordination report. ### Claim 29 An apparatus for wireless communication, comprising: means for receiving, using a first sidelink resource, a request for inter-user equipment (UE) coordination; and means for transmitting, using a second sidelink resource, an inter-UE coordination report to a UE via a sidelink interface, the second sidelink resource selected by the apparatus based at least in part on a mapping between the first sidelink resource and the second sidelink resource. ### Claim 30 (depends on 29) The apparatus of claim 29, further comprising: means for mapping the first sidelink resource to the second sidelink resource.