# US 12,225,532 B2 · Sidelink reference signal and measurement report sharing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,225,532 B2 - Document ID: US12225532B2 - Status: Granted - Kind: B2 - Application number: 17/648,487 - Filed: 2022-01-20 - Published: 2023-07-20 - Granted: 2025-02-11 - Earliest claimed: 2022-01-20 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Hua Wang; Sony Akkarakaran; Jelena Damnjanovic; Qing Li; Hong Cheng; Yan Zhou; Jung Ho Ryu; Tao Luo; Junyi Li - Web page: https://patentgrep.com/patent/US12225532B2 ## CPC - H04W 72/20: Control channels or signalling for resource management - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 92/18: between terminal devices - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]} - H04L 5/0023: {Time-frequency-space} - 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) - H04B: TRANSMISSION ## Abstract Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may generate information indicating a reference signal and a measurement report for a first sidelink between the first UE and a second UE. The first UE may use the information for a second sidelink between the first UE and the second UE. Numerous other aspects are described. ## Claims ### Claim 1 A first user equipment (UE) for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: generate information indicating a reference signal and a measurement report for a first sidelink between the first UE and a second UE; and use the information for a second sidelink between the first UE and the second UE; wherein the reference signal is dedicated for sidelink channel state information (CSI) reporting that is to be shared among multiple sidelinks between the first UE and the second UE. ### Claim 2 (depends on 1) The first UE of claim 1, wherein the one or more processors are configured to transmit the information to the second UE via the first sidelink or a sidelink that is dedicated for sharing the information between the first UE and the second UE. ### Claim 3 (depends on 1) The first UE of claim 1, wherein the one or more processors are configured to transmit or receive the reference signal in frequency range 2 (FR2). ### Claim 4 (depends on 1) The first UE of claim 1, wherein the first sidelink and the second sidelink are unicast sidelinks. ### Claim 5 (depends on 1) The first UE of claim 1, wherein the first sidelink and the second sidelink are broadcast sidelinks or groupcast sidelinks. ### Claim 6 (depends on 1) The first UE of claim 1, wherein the reference signal includes a channel state information reference signal (CSI-RS), a sidelink primary synchronization signal, a sidelink secondary synchronization signal, or a sidelink demodulation reference signal. ### Claim 7 (depends on 1) The first UE of claim 1, wherein the one or more processors are configured to: transmit the reference signal via the first sidelink; and receive the measurement report via the first sidelink or the second sidelink. ### Claim 8 (depends on 7) The first UE of claim 7, wherein the one or more processors, to receive the measurement report, are configured to receive the measurement report at a medium access control layer. ### Claim 9 (depends on 1) The first UE of claim 1, wherein the one or more processors are configured to receive the measurement report via a dedicated sidelink for sharing measurement reports. ### Claim 10 (depends on 1) The first UE of claim 1, wherein the one or more processors are configured to, if a resource pool of the first sidelink and a resource pool of the second sidelink are the same or overlap, transmit a channel quality indicator (CQI) for the first sidelink that is to be used for the second sidelink. ### Claim 11 (depends on 1) The first UE of claim 1, wherein the one or more processors are configured to transmit a channel quality indicator (CQI) for the first sidelink via the first sidelink, the second sidelink, or a dedicated sidelink between the first UE and the second UE that is dedicated for sharing CQIs among multiple sidelinks between the first UE and the second UE. ### Claim 12 A second user equipment (UE) for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: receive, from a first UE, information indicating a reference signal and a measurement report for a first sidelink between the first UE and the second UE; transmit or receive the reference signal on a second sidelink between the first UE and the second UE; and transmit or receive the measurement report on the second sidelink; wherein the information is dedicated for sidelink channel state information (CSI) reporting that is to be shared among multiple sidelinks between the first UE and the second UE. ### Claim 13 (depends on 12) The second UE of claim 12, wherein the one or more processors are configured to transmit or receive a communication on the second sidelink based at least in part on the measurement report or a measurement of the reference signal. ### Claim 14 (depends on 12) The second UE of claim 12, wherein the information is dedicated for sidelink channel state information (CSI) reporting that is to be shared among multiple sidelinks between the first UE and the second UE. ### Claim 15 (depends on 12) The second UE of claim 12, wherein the one or more processors are configured to receive a channel quality indicator (CQI) for the first sidelink that is to be used for the second sidelink, if a resource pool of the first sidelink and a resource pool of the second sidelink are the same or overlap. ### Claim 16 (depends on 12) The second UE of claim 12, wherein the one or more processors are configured to receive a channel quality indicator (CQI) for the first sidelink via the first sidelink, the second sidelink, or a dedicated sidelink, between the first UE and the second UE, that is dedicated for sharing CQIs among multiple sidelinks between the first UE and the second UE. ### Claim 17 A method of wireless communication performed by a first user equipment (UE), comprising: generating information indicating a reference signal and a measurement report for a first sidelink between the first UE and a second UE; and using the information for a second sidelink between the first UE and the second UE; wherein the reference signal is dedicated for sidelink channel state information (CSI) reporting that is to be shared among multiple sidelinks between the first UE and the second UE. ### Claim 18 (depends on 17) The method of claim 17, further comprising transmitting the information to the second UE via the first sidelink or a sidelink that is dedicated for sharing the information between the first UE and the second UE. ### Claim 19 (depends on 17) The method of claim 17, wherein the information indicating the reference signal includes a transmission configuration indicator (TCI) state for the reference signal or a configuration for the reference signal. ### Claim 20 (depends on 17) The method of claim 17, further comprising transmitting a channel quality indicator (CQI) for the first sidelink via the first sidelink, the second sidelink, or a dedicated sidelink between the first UE and the second UE that is dedicated for sharing CQIs among multiple sidelinks between the first UE and the second UE. ### Claim 21 A method of wireless communication performed by a second user equipment (UE), comprising: receiving, from a first UE, information indicating a reference signal and a measurement report for a first sidelink between the first UE and the second UE; transmitting or receiving the reference signal on a second sidelink between the first UE and the second UE; and transmitting or receiving the measurement report on the second sidelink; wherein the reference signal is dedicated for sidelink channel state information (CSI) reporting that is to be shared among multiple sidelinks between the first UE and the second UE. ### Claim 22 (depends on 21) The method of claim 21, further comprising transmitting or receiving a communication on the second sidelink based at least in part on the measurement report or a measurement of the reference signal. ### Claim 23 A first user equipment (UE) for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: generate information indicating a reference signal and a measurement report for a first sidelink between the first UE and a second UE; and use the information for a second sidelink between the first UE and the second UE; wherein: the information indicating the reference signal includes a transmission configuration indicator (TCI) state for the reference signal or a configuration for the reference signal; and the one or more processors are configured to transmit or receive a medium access control control element (MAC CE) that activates the TCI state for the first sidelink and that includes a source identifier (ID) and a destination ID of the second sidelink; or the one or more processors, to transmit the information that includes the TCI state, are configured to transmit the information that includes the TCI state in a TCI state list on a sidelink between the first UE and the second UE that is dedicated for sharing the TCI state list. ### Claim 24 A second user equipment (UE) for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: receive, from a first UE, information indicating a reference signal and a measurement report for a first sidelink between the first UE and the second UE; transmit or receive the reference signal on a second sidelink between the first UE and the second UE; and transmit or receive the measurement report on the second sidelink; wherein: the information indicating the reference signal includes a transmission configuration indicator (TCI) state for the reference signal or a configuration for the reference signal; and the one or more processors are configured to transmit or receive a medium access control control element (MAC CE) that activates the TCI state for the first sidelink and that includes a source identifier (ID) and a destination ID of the second sidelink; or the one or more processors, to receive the information that includes the TCI state, are configured to receive the information that includes the TCI state in a TCI state list on a sidelink between the first UE and the second UE that is dedicated for sharing the TCI state list.