# US 12,192,965 B2 · Over-the-air signaling for inter-base station cross link interference measurements > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,192,965 B2 - Document ID: US12192965B2 - Status: Granted - Kind: B2 - Application number: 17/681,577 - Filed: 2022-02-25 - Published: 2023-09-28 - Granted: 2025-01-07 - Earliest claimed: 2022-02-25 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Qian Zhang; Yan Zhou; Navid Abedini; Tao Luo; Junyi Li; Huilin Xu; Peter Gaal; Juan Montojo - Web page: https://patentgrep.com/patent/US12192965B2 ## CPC - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 72/02: Selection of wireless resources by user or terminal - H04B 7/06952: {Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping} - H04B 7/088: {using beam selection} - H04L 5/0023: {Time-frequency-space} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/006: {Quality of the received signal, e.g. BER, SNR, water filling} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - 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 72/046: {the resource being in the space domain, e.g. beams} - H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows - H04W 72/541: using the level of interference - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Methods, systems, and devices for wireless communications are described. A network entity, such as a base station, may receive, from a first network entity, a broadcast indicating a downlink control channel transmission pattern associated with the first network entity. The network entity may monitor a plurality of receive beams for a plurality of downlink control channel transmissions from the first network entity according to the downlink control channel transmission pattern and may select a communication beam according to one or more cross-link interference (CLI) measurements associated with one or more of the plurality of receive beams in accordance with the monitoring. The network entity may communicate with a user equipment using the selected communication beam and a first set of resources that at least partially overlap in time and frequency with a scheduled communication at the first network entity. The network entity may experience or may cause the measured CLI. ## Claims ### Claim 1 An apparatus for wireless communication, comprising: at least one processor; and memory coupled with the at least one processor, the memory storing instructions executable by the at least one processor to cause the apparatus to: receive, from a first network entity, a broadcast indicating a downlink control channel transmission pattern associated with the first network entity; monitor a plurality of receive beams at a second network entity for a plurality of downlink control channel transmissions from the first network entity according to the downlink control channel transmission pattern; select a communication beam according to one or more cross-link interference measurements associated with one or more of the plurality of receive beams in accordance with the monitoring; and communicate with a user equipment (UE) using the selected communication beam and a first set of resources that at least partially overlap in time and frequency with a scheduled communication at the first network entity. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the communication beam comprises a transmit beam and the instructions executable by the at least one processor to cause the apparatus to communicate with the UE are executable by the at least one processor to cause the apparatus to: perform a downlink transmission from the second network entity to the UE using the selected transmit beam, wherein the scheduled communication at the first network entity comprises an uplink transmission to the first network entity scheduled by the plurality of downlink control channel transmissions. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the communication beam comprises a receive beam and the instructions executable by the at least one processor to cause the apparatus to communicate with the UE are executable by the at least one processor to cause the apparatus to: receive an uplink communication from the UE using the selected receive beam, wherein the scheduled communication at the first network entity comprises a downlink transmission from the first network entity scheduled by the plurality of downlink control channel transmissions. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the instructions are further executable by the processor to cause the apparatus to: receive, using a first receive beam of the plurality of receive beams, at least one downlink control channel transmission of the plurality of downlink control channel transmissions associated with a transmit beam of the first network entity based at least in part on the monitoring; and measure a cross-link interference level associated with the at least one downlink control channel transmission as one of the one or more cross-link interference measurements, wherein selecting the transmit beam is based at least in part on the measuring. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the instructions to select the communication beam are executable by the processor to cause the apparatus to: select a transmit beam associated with a lowest cross-link interference level of the one or more cross-link interference measurements; or select a transmit beam associated with a cross-link interference level of the one or more cross-link interference measurements that is smaller than a threshold cross-link interference level. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the instructions to select the communication beam are executable by the processor to cause the apparatus to: select a transmit beam associated with a cross-link interference level of the one or more cross-link interference measurements that is higher than a first threshold, wherein the communicating with the UE comprises: transmit, using the selected transmit beam, a downlink transmission using a reduced transmission power based at least in part on the cross-link interference level associated with the selected transmit beam being higher than the first threshold. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the instructions to select the communication beam are executable by the processor to cause the apparatus to: select a receive beam associated with a lowest cross-link interference level of the one or more cross-link interference measurements; or select a receive beam associated with a cross-link interference level of the one or more cross-link interference measurements that is smaller than a threshold cross-link interference level. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the instructions to select the communication beam are executable by the processor to cause the apparatus to: select a receive beam associated with a cross-link interference level of the one or more cross-link interference measurements that is higher than a threshold; and transmit signaling indicating a power increase to the UE, wherein the communicating with the UE comprises: receive, using the selected receive beam from the UE, an uplink transmission based at least in part on the power increase. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the downlink control channel transmission pattern comprises a set of time and frequency resources for a plurality of downlink control channel transmission repetitions. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the one or more cross-link interference measurements comprise one or more reference signal receive power measurements for each receive beam of the plurality of receive beams. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein: the plurality of receive beams are downlink beams. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein: the plurality of receive beams are uplink beams. ### Claim 13 A method for wireless communication, comprising: receiving, from a first network entity, a broadcast indicating a downlink control channel transmission pattern associated with the first network entity; monitoring a plurality of receive beams at a second network entity for a plurality of downlink control channel transmissions from the first network entity according to the downlink control channel transmission pattern; selecting a communication beam according to one or more cross-link interference measurements associated with one or more of the plurality of receive beams in accordance with the monitoring; and communicating with a user equipment (UE) using the selected communication beam and a first set of resources that at least partially overlap in time and frequency with a scheduled communication at the first network entity. ### Claim 14 (depends on 13) The method of claim 13, wherein the communication beam comprises a transmit beam and communicating with the UE comprises: performing a downlink transmission from the second network entity to the UE using the selected transmit beam, wherein the scheduled communication at the first network entity comprises an uplink transmission to the first network entity scheduled by the plurality of downlink control channel transmissions. ### Claim 15 (depends on 13) The method of claim 13, wherein the communication beam comprises a receive beam and communicating with the UE comprises: receiving an uplink communication from the UE using the selected receive beam, wherein the scheduled communication at the first network entity comprises a downlink transmission from the first network entity scheduled by the plurality of downlink control channel transmissions. ### Claim 16 (depends on 13) The method of claim 13, further comprising: receiving, using a first receive beam of the plurality of receive beams, at least one downlink control channel transmission of the plurality of downlink control channel transmissions associated with a transmit beam of the first network entity based at least in part on the monitoring; and measuring a cross-link interference level associated with the at least one downlink control channel transmission as one of the one or more cross-link interference measurements, wherein selecting the transmit beam is based at least in part on the measuring. ### Claim 17 (depends on 13) The method of claim 13, wherein selecting the communication beam comprises: selecting a transmit beam associated with a lowest cross-link interference level of the one or more cross-link interference measurements; or selecting a transmit beam associated with a cross-link interference level of the one or more cross-link interference measurements that is smaller than a threshold cross-link interference level. ### Claim 18 (depends on 13) The method of claim 13, wherein selecting the communication beam comprises: selecting a transmit beam associated with a cross-link interference level of the one or more cross-link interference measurements that is higher than a first threshold, wherein the communicating with the UE comprises: transmitting, using the selected transmit beam, a downlink transmission using a reduced transmission power based at least in part on the cross-link interference level associated with the selected transmit beam being higher than the first threshold. ### Claim 19 (depends on 13) The method of claim 13, wherein selecting the communication beam comprises: selecting a receive beam associated with a lowest cross-link interference level of the one or more cross-link interference measurements; or selecting a receive beam associated with a cross-link interference level of the one or more cross-link interference measurements that is smaller than a threshold cross-link interference level. ### Claim 20 (depends on 13) The method of claim 13, wherein selecting the communication beam comprises: selecting a receive beam associated with a cross-link interference level of the one or more cross-link interference measurements that is higher than a threshold; and transmitting signaling indicating a power increase to the UE, wherein the communicating with the UE comprises: receiving, using the selected receive beam from the UE, an uplink transmission based at least in part on the power increase. ### Claim 21 (depends on 13) The method of claim 13, wherein the downlink control channel transmission pattern comprises a set of time and frequency resources for a plurality of downlink control channel transmission repetitions. ### Claim 22 (depends on 13) The method of claim 13, wherein the one or more cross-link interference measurements comprise one or more reference signal receive power measurements for each receive beam of the plurality of receive beams. ### Claim 23 (depends on 13) The method of claim 13, wherein: the plurality of receive beams are downlink beams. ### Claim 24 (depends on 13) The method of claim 13, wherein: the plurality of receive beams are uplink beams.