# US 12,191,938 B2 · Channel estimate or interference reporting in a wireless communications network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,938 B2 - Document ID: US12191938B2 - Status: Granted - Kind: B2 - Application number: 17/655,165 - Filed: 2022-03-16 - Published: 2023-09-21 - Granted: 2025-01-07 - Earliest claimed: 2022-03-16 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Mohamed Fouad Ahmed Marzban; Wooseok Nam; Tao Luo; Taesang Yoo; Arumugam Chendamarai Kannan - Web page: https://patentgrep.com/patent/US12191938B2 ## CPC - H04B 7/0417: Feedback systems - H04L 1/0015: {characterised by the adaptation strategy} - H04B 7/0408: using two or more beams, i.e. beam diversity - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04B 7/0632: {Channel quality parameters, e.g. channel quality indicator [CQI]} - H04B 7/0639: {Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection} - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/0027: {Scheduling of signalling, e.g. occurrence thereof} - H04L 1/0029: {Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling (power control H04W52/04)} - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE), including receiving, from a network entity, an indication to report at least one of a channel quality indicator (CQI) or a pre-coding matrix indicator (PMI) for one or more future communications resources and sending, to the network entity, a channel state feedback (CSF) report indicating at least one of a predicted CQI or a predicted PMI for the one or more future communications resources prior to the one or more future communications resources occurring in time. ## Claims ### Claim 1 An apparatus for wireless communications at a user equipment (UE), comprising: one or more memories comprising instructions; and one or more processors configured to execute the instructions and cause the apparatus to: receive, from a network entity, an indication to report at least one of a channel quality indicator (CQI) or a pre-coding matrix indicator (PMI) for one or more future communications resources, wherein the one or more future communications resources are within a maximum number of resources, as per capability information of the UE, relative to transmission of the indication from the network entity for which the UE is capable of predicting the COI or the PMI; transmit, to the network entity, a channel state feedback (CSF) report indicating at least one of a predicted CQI or a predicted PMI for the one or more future communications resources prior to the one or more future communications resources occurring in time; and receive, from the network entity, scheduling information scheduling the UE to communicate on at least one of the one or more future communications resources associated with a lower interference than other future communications resources based on the CSF report. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the indication is received in one of a radio resource control (RRC) message, a medium access control (MAC) control element (CE), or a downlink control information (DCI). ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the one or more future communications resources comprise one or more time and frequency resources, and wherein the indication comprises a configuration of the one or more time and frequency resources. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein the configuration comprises a time window for the one or more future communications resources. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein a start of the time window is defined relative to a last slot or symbol of a measurement or reporting occasion. ### Claim 6 (depends on 3) The apparatus of claim 3, wherein the configuration comprises a frequency range for the one or more future communications resources. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the CSF report indicating the at least one of the predicted CQI or the predicted PMI indicates a separate value for the at least one of the predicted CQI or the predicted PMI for each of the one or more future communications resources. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the CSF report indicating the at least one of the predicted CQI or the predicted PMI indicates a single value for the at least one of the predicted CQI or the predicted PMI that corresponds to all of the one or more future communications resources. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein the CSF report further indicates a delta value for at least one of the one or more future communications resources, the delta value along with the single value corresponding to the at least one of the one or more future communications resources. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the one or more processors are configured to execute the instructions and cause the apparatus to: transmit, to the network entity, the capability information of the UE indicating the UE is capable of predicting interference on future communications resources. ### Claim 11 (depends on 10) The apparatus of claim 10, wherein the capability information comprises a maximum future time for which the UE is capable of predicting interference. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein the one or more future communications resources comprise one or more beams. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the indication comprises a configuration of a quasi-co-location (QCL) of a transmit beam of the network entity or a configuration of a receive beam of the UE to be used for predicting interference. ### Claim 14 (depends on 1) The apparatus of claim 1, wherein the one or more processors are configured to execute the instructions and cause the apparatus to: transmit, to the network entity, a message indicating a recommended configuration of a quasi-co-location (QCL) of a transmit beam of the network entity or a configuration of a receive beam of the UE to be used for predicting interference. ### Claim 15 (depends on 1) The apparatus of claim 1, wherein the CSF report is transmitted based on the receiving the indication. ### Claim 16 (depends on 1) The apparatus of claim 1, wherein the one or more processors are configured to execute the instructions and cause the apparatus to predict interference for the one or more future communications resources, wherein the at least one of the predicted CQI or the predicted PMI is based on the predicting the interference. ### Claim 17 An apparatus for wireless communications at a network entity, comprising: one or more memories comprising instructions; and one or more processors configured to execute the instructions and cause the apparatus to: transmit, to a user equipment (UE), an indication to report at least one of a channel quality indicator (CQI) or a pre-coding matrix indicator (PMI) for one or more future communications resources, wherein the one or more future communications resources are within a maximum future number of resources, as per capability information of the UE, relative to transmission of the indication from the network entity for which the UE is capable of predicting the COI or the PMI; receive, from the UE, a channel state feedback (CSF) report indicating at least one of a predicted CQI or a predicted PMI for the one or more future communications resources prior to the one or more future communications resources occurring in time; and transmit, to the UE, scheduling information scheduling the UE to communicate on at least one of the one or more future communications resources associated with a lower interference than other future communications resources based on the CSF report. ### Claim 18 (depends on 17) The apparatus of claim 17, wherein the indication is transmitted in one of a radio resource control (RRC) message, a medium access control (MAC) control element (CE), or a downlink control information (DCI). ### Claim 19 (depends on 17) The apparatus of claim 17, wherein the one or more future communications resources comprise one or more time and frequency resources, and wherein the indication comprises a configuration of the one or more time and frequency resources. ### Claim 20 (depends on 19) The apparatus of claim 19, wherein the configuration comprises a time window for the one or more future communications resources. ### Claim 21 (depends on 20) The apparatus of claim 20, wherein a start of the time window is defined relative to a last slot or symbol of a measurement or reporting occasion. ### Claim 22 (depends on 19) The apparatus of claim 19, wherein the configuration comprises a frequency range for the one or more future communications resources. ### Claim 23 (depends on 17) The apparatus of claim 17, wherein the CSF report indicating the at least one of the predicted CQI or the predicted PMI indicates a separate value for the at least one of the predicted CQI or the predicted PMI for each of the one or more future communications resources. ### Claim 24 (depends on 17) The apparatus of claim 17, wherein the CSF report indicating the at least one of the predicted CQI or the predicted PMI indicates a single value for the at least one of the predicted CQI or the predicted PMI that corresponds to all of the one or more future communications resources. ### Claim 25 (depends on 24) The apparatus of claim 24, wherein the CSF report further indicates a delta value for at least one of the one or more future communications resources, the delta value along with the single value corresponding to the at least one of the one or more future communications resources. ### Claim 26 (depends on 17) The apparatus of claim 17, wherein the one or more future communications resources comprise one or more beams. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein the indication comprises a configuration of a quasi-co-location (QCL) of a transmit beam of the network entity or a configuration of a receive beam of the UE to be used for predicting interference. ### Claim 28 (depends on 17) The apparatus of claim 17, wherein the one or more processors are configured to execute the instructions and cause the apparatus to: receive, from the UE, a message indicating a recommended configuration of a quasi-co-location (QCL) of a transmit beam of the network entity or a configuration of a receive beam of the UE to be used for predicting interference. ### Claim 29 A method for wireless communications at a user equipment (UE), comprising: receiving, from a network entity, an indication to report at least one of a channel quality indicator (CQI) or a pre-coding matrix indicator (PMI) for one or more future communications resources, wherein the one or more future communications resources are within a maximum future number of resources, as per capability information of the UE, relative to transmission of the indication from the network entity for which the UE is capable of predicting the CQI or the PMI; transmitting, to the network entity, a channel state feedback (CSF) report indicating at least one of a predicted CQI or a predicted PMI for the one or more future communications resources prior to the one or more future communications resources occurring in time; and receiving, from the network entity, scheduling information scheduling the UE to communicate on at least one of the one or more future communications resources associated with a lower interference than other future communications resources based on the CSF report. ### Claim 30 A method for wireless communications at a network entity, comprising: transmitting, to a user equipment (UE), an indication to report at least one of a channel quality indicator (CQI) or a pre-coding matrix indicator (PMI) for one or more future communications resources, wherein the one or more future communications resources are within a maximum future number of resources, as per capability information of the UE, relative to transmission of the indication from the network entity for which the UE is capable of predicting the COI or the PMI; receiving, from the UE, a channel state feedback (CSF) report indicating at least one of a predicted CQI or a predicted PMI for the one or more future communications resources prior to the one or more future communications resources occurring in time; and transmitting, to the UE, scheduling information scheduling the UE to communicate on at least one of the one or more future communications resources associated with a lower interference than other future communications resources based on the CSF report.