# US 11,909,681 B2 · Multiple data channel based channel state information reports > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,681 B2 - Document ID: US11909681B2 - Status: Granted - Kind: B2 - Application number: 17/403,799 - Filed: 2021-08-16 - Published: 2023-02-23 - Granted: 2024-02-20 - Earliest claimed: 2021-08-16 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Ahmed Elshafie; Yi Huang; Hwan Joon Kwon - Web page: https://patentgrep.com/patent/US11909681B2 ## CPC - H04L 1/0026: {Transmission of channel quality indication} - 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)} - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04L 1/0016: {involving special memory structures, e.g. look-up tables} - H04L 1/0017: {where the mode-switching is based on Quality of Service requirement} - H04L 1/0031: {Multiple signaling transmission (H04L1/1664, F15 take precedence)} - H04L 1/1671: {the supervisory signal being transmitted together with control information} - H04L 1/203: {Details of error rate determination, e.g. BER, FER or WER} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04L 1/0029: {Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling (power control H04W52/04)} - H04L 1/12: by using return channel - H04L 5/0057: {Physical resource allocation for CQI} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, control signaling that may identify a configuration for channel state information reporting associated with both a first target block error rate and a second target block error rate. The UE may receive one or more reference signals associated with the channel state information reporting. Further, the UE may transmit, to the base station, the channel state information reporting that may include first channel state information for the first target block error rate and second channel state information for the second target block error rate. In some examples, each of the first channel state information and the second channel state information may be based on the received reference signals. ## Claims ### Claim 1 A method for wireless communications at a user equipment (UE), comprising: receiving control signaling identifying a set of indices and a set of target block error rates, each index of the set of indices indicating one or more target block error rates of the set of target block error rates; receiving, from a base station, control signaling identifying a configuration for channel state information reporting associated with both a first target block error rate and a second target block error rate and an index of the set of indices, the index corresponding to the first target block error rate and the second target block error rate of the set of target block error rates; receiving reference signals associated with the channel state information reporting; and transmitting, to the base station, the channel state information reporting that includes first channel state information for the first target block error rate and second channel state information for the second target block error rate, each of the first channel state information and the second channel state information based at least in part on the received reference signals. ### Claim 2 (depends on 1) The method of claim 1, wherein receiving the control signaling indicating the configuration comprises: receiving control signaling identifying a first set of thresholds for the first target block error rate for the channel state information reporting and a second set of thresholds for the second target block error rate for the channel state information reporting. ### Claim 3 (depends on 1) The method of claim 1, further comprising: receiving control signaling identifying the first target block error rate and the second target block error rate. ### Claim 4 (depends on 1) The method of claim 1, further comprising: receiving control signaling identifying a set of indices, each index of the set of indices corresponding to a combination of a positive or negative acknowledgment, a first quantization level associated with the first target block error rate, and a second quantization level associated with the second target block error rate; receiving a data signal from the base station; and selecting, based at least in part on the received reference signals and the received data signal, an index of the set of indices corresponding to the first quantization level, the first quantization level corresponding to the first channel state information based at least in part on the received reference signals, the second quantization level corresponding to the second channel state information based at least in part on the received reference signals, and one of a positive or negative acknowledgment associated with the received data signal, wherein the first channel state information and the second channel state information comprise the selected index. ### Claim 5 (depends on 1) The method of claim 1, further comprising: receiving control signaling identifying a set of indices including a first subset of indices and second subset of indices, wherein each index of the first subset of indices corresponds to a combination of a positive acknowledgement and a first quantization level associated with the first target block error rate, and each index of the second subset of indices corresponds to a combination of a negative acknowledgement and a second quantization level associated with the second target block error rate; receiving a data signal from the base station, the received data signal associated with one of the positive acknowledgement or the negative acknowledgement; and selecting, based at least in part on the received reference signals and the one of the positive acknowledgement or the negative acknowledgement, an index of the set of indices corresponding to the positive acknowledgement and the first quantization level corresponding to the first channel state information based at least in part on the received reference signals or corresponding to the negative acknowledgement and the second quantization level corresponding to the second channel state information based at least in part on the received reference signals, wherein one of the first channel state information or the second channel state information comprises the selected index. ### Claim 6 (depends on 1) The method of claim 1, further comprising: selecting a first quantization level as the first channel state information based at least in part on the first target block error rate and one or more block error rate thresholds; and selecting a second quantization level as the second channel state information based at least in part on the second target block error rate and the one or more block error rate thresholds. ### Claim 7 (depends on 1) The method of claim 1, further comprising: determining a signal to interference and noise ratio associated with each reference signal; mapping the signal to interference and noise ratio to one or more of a plurality of channel state information curves; and selecting an indication of the first channel state information and an indication of the second channel state information based at least in part on the mapping. ### Claim 8 (depends on 1) The method of claim 1, further comprising: receiving a request for the first channel state information and the second channel state information, the request received in a radio resource control message, a medium access control control element message, or a downlink control information message. ### Claim 9 (depends on 1) The method of claim 1, wherein each reference signal is a channel state information reference signal or a demodulation reference signal. ### Claim 10 A method for wireless communications at a base station, comprising: transmitting, to a user equipment (UE), control signaling identifying a set of indices and a set of target block error rates, each index of the set of indices indicating one or more target block error rates of the set of target block error rates; transmitting, to the UE, control signaling identifying a configuration for channel state information reporting associated with both a first target block error rate and a second target block error rate and an index of the set of indices, the index corresponding to the first target block error rate and the second target block error rate of the set of target block error rates; transmitting reference signals associated with the channel state information reporting; and receiving, from the UE, the channel state information reporting that includes first channel state information for the first target block error rate and second channel state information for the second target block error rate, each of the first channel state information and the second channel state information based at least in part on the reference signals. ### Claim 11 (depends on 10) The method of claim 10, wherein transmitting the control signaling indicating the configuration comprises: transmitting, to the UE, control signaling identifying a first set of thresholds for the first target block error rate for the channel state information reporting and a second set of thresholds for the second target block error rate for the channel state information reporting. ### Claim 12 (depends on 10) The method of claim 10, further comprising: transmitting control signaling identifying the first target block error rate and the second target block error rate. ### Claim 13 (depends on 10) The method of claim 10, further comprising: transmitting, to the UE, control signaling identifying a set of indices, each index of the set of indices corresponding to a combination of a positive or negative acknowledgment, a first quantization level associated with the first target block error rate, and a second quantization level associated with the second target block error rate. ### Claim 14 (depends on 10) The method of claim 10, further comprising: transmitting, to the UE, control signaling identifying a set of indices including a first subset of indices and second subset of indices, wherein each index of the first subset of indices corresponds to a combination of a positive acknowledgement and a first quantization level associated with the first target block error rate, and each index of the second subset of indices corresponds to a combination of a negative acknowledgement and a second quantization level associated with the second target block error rate. ### Claim 15 (depends on 10) The method of claim 10, further comprising: transmitting, to the UE, a request for the first channel state information and the second channel state information, the request transmitted in a radio resource control message, a medium access control control element message, or a downlink control information message. ### Claim 16 An apparatus for wireless communications at a user equipment (UE), comprising: a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: receive control signaling identifying a set of indices and a set of target block error rates, each index of the set of indices indicating one or more target block error rates of the set of target block error rates; receive, from a base station, control signaling identifying a configuration for channel state information reporting associated with both a first target block error rate and a second target block error rate and an index of the set of indices, the index corresponding to the first target block error rate and the second target block error rate of the set of target block error rates; receive reference signals associated with the channel state information reporting; and transmit, to the base station, the channel state information reporting that includes first channel state information for the first target block error rate and second channel state information for the second target block error rate, each of the first channel state information and the second channel state information based at least in part on the received reference signals. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein the instructions to receive the control signaling indicating the configuration are executable by the processor to cause the apparatus to: receive control signaling identifying a first set of thresholds for the first target block error rate for the channel state information reporting and a second set of thresholds for the second target block error rate for the channel state information reporting. ### Claim 18 (depends on 16) The apparatus of claim 16, wherein the instructions are further executable by the processor to cause the apparatus to: receive control signaling identifying a set of indices, each index of the set of indices corresponding to a combination of a positive or negative acknowledgment, a first quantization level associated with the first target block error rate, and a second quantization level associated with the second target block error rate; receive a data signal from the base station; and select, based at least in part on the received reference signals and the received data signal, an index of the set of indices corresponding to the first quantization level, the first quantization level corresponding to the first channel state information based at least in part on the received reference signals, the second quantization level corresponding to the second channel state information based at least in part on the received reference signals, and one of a positive or negative acknowledgment associated with the received data signal, wherein the first channel state information and the second channel state information comprise the selected index. ### Claim 19 (depends on 16) The apparatus of claim 16, wherein the instructions are further executable by the processor to cause the apparatus to: receive control signaling identifying a set of indices including a first subset of indices and second subset of indices, wherein each index of the first subset of indices corresponds to a combination of a positive acknowledgement and a first quantization level associated with the first target block error rate, and each index of the second subset of indices corresponds to a combination of a negative acknowledgement and a second quantization level associated with the second target block error rate; receive a data signal from the base station, the received data signal associated with one of the positive acknowledgement or the negative acknowledgement; and select, based at least in part on the received reference signals and the one of the positive acknowledgement or the negative acknowledgement, an index of the set of indices corresponding to the positive acknowledgement and the first quantization level corresponding to the first channel state information based at least in part on the received reference signals or corresponding to the negative acknowledgement and the second quantization level corresponding to the second channel state information based at least in part on the received reference signals, wherein one of the first channel state information or the second channel state information comprises the selected index. ### Claim 20 (depends on 16) The apparatus of claim 16, wherein the instructions are further executable by the processor to cause the apparatus to: select a first quantization level as the first channel state information based at least in part on the first target block error rate and one or more block error rate thresholds; and select a second quantization level as the second channel state information based at least in part on the second target block error rate and the one or more block error rate thresholds. ### Claim 21 (depends on 16) The apparatus of claim 16, wherein the instructions are further executable by the processor to cause the apparatus to: determine a signal to interference and noise ratio associated with each reference signal; map the signal to interference and noise ratio to one or more of a plurality of channel state information curves; and select an indication of the first channel state information and an indication of the second channel state information based at least in part on the mapping. ### Claim 22 (depends on 16) The apparatus of claim 16, wherein the instructions are further executable by the processor to cause the apparatus to: receive a request for the first channel state information and the second channel state information, the request received in a radio resource control message, a medium access control control element message, or a downlink control information message. ### Claim 23 An apparatus for wireless communications at a base station, comprising: a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to: transmit, to a user equipment (UE), control signaling identifying a set of indices and a set of target block error rates, each index of the set of indices indicating one or more target block error rates of the set of target block error rates; transmit, to the UE, control signaling identifying a configuration for channel state information reporting associated with both a first target block error rate and a second target block error rate and an index of the set of indices, the index corresponding to the first target block error rate and the second target block error rate of the set of target block error rates; transmit reference signals associated with the channel state information reporting; and receive, from the UE, the channel state information reporting that includes first channel state information for the first target block error rate and second channel state information for the second target block error rate, each of the first channel state information and the second channel state information based at least in part on the reference signals. ### Claim 24 (depends on 23) The apparatus of claim 23, wherein the instructions to transmit the control signaling indicating the configuration are executable by the processor to cause the apparatus to: transmit, to the UE, control signaling identifying a first set of thresholds for the first target block error rate for the channel state information reporting and a second set of thresholds for the second target block error rate for the channel state information reporting. ### Claim 25 (depends on 23) The apparatus of claim 23, wherein the instructions are further executable by the processor to cause the apparatus to: transmit, to the UE, control signaling identifying a set of indices, each index of the set of indices corresponding to a combination of a positive or negative acknowledgment, a first quantization level associated with the first target block error rate, and a second quantization level associated with the second target block error rate. ### Claim 26 (depends on 23) The apparatus of claim 23, wherein the instructions are further executable by the processor to cause the apparatus to: transmit, to the UE, control signaling identifying a set of indices including a first subset of indices and second subset of indices, wherein each index of the first subset of indices corresponds to a combination of a positive acknowledgement and a first quantization level associated with the first target block error rate, and each index of the second subset of indices corresponds to a combination of a negative acknowledgement and a second quantization level associated with the second target block error rate.