# US 2024/0204841 A1 · Frequency selectivity based cqi and pmi reporting > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0204841 A1 - Document ID: US20240204841A1 - Status: Published application - Kind: A1 - Application number: 18/066,268 - Filed: 2022-12-14 - Published: 2024-06-20 - Earliest claimed: 2022-12-14 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Ahmed Attia ABOTABL; Yu ZHANG; Ahmed ELSHAFIE; Muhammad Sayed Khairy ABDELGHAFFAR - Web page: https://patentgrep.com/patent/US20240204841A1 ## CPC - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04L 1/0026: {Transmission of channel quality indication} - H04B 7/063: {Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection} - 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 1/0028: {Formatting} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04L 5/0057: {Physical resource allocation for CQI} - H04W 72/02: Selection of wireless resources by user or terminal - H04W 72/0457: Variable allocation of band or rate - 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: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A network node may transmit a CSI-RS to a UE. The UE may transmit a CSI report corresponding to at least one UE-selected bandwidth portion of a downlink BWP to the network node based on the CSI-RS. The CSI report may include at least one CQI for the at least one UE-selected bandwidth portion of the downlink BWP. The downlink BWP may be associated with a full-duplex operation. ## Claims ### Claim 1 An apparatus for wireless communication at a user equipment (UE), comprising: a memory; and at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to: receive a channel state information-reference signal (CSI-RS) from a network node; and transmit a channel state information (CSI) report corresponding to at least one UE-selected bandwidth portion of a downlink bandwidth part (BWP) to the network node based on the CSI-RS. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the CSI report includes at least one channel quality indicator (CQI) for the at least one UE-selected bandwidth portion of the downlink BWP. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the at least one UE-selected bandwidth portion of the downlink BWP corresponds to at least one downlink sub-band associated with a UE-selected downlink sub-band configuration in a plurality of usable downlink sub-band configurations. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein the at least one UE-selected bandwidth portion of the downlink BWP includes a plurality of downlink sub-bands associated with the UE-selected downlink sub-band configuration. ### Claim 5 (depends on 3) The apparatus of claim 3, the at least one processor being configured to: transmit, prior to transmitting the CSI report, an indication of the UE-selected downlink sub-band configuration to the network node. ### Claim 6 (depends on 3) The apparatus of claim 3, wherein the plurality of usable downlink sub-band configurations is preconfigured. ### Claim 7 (depends on 3) The apparatus of claim 3, wherein the plurality of usable downlink sub-band configurations is configured based on radio resource control (RRC) signaling from the network node. ### Claim 8 (depends on 3) The apparatus of claim 3, wherein each usable downlink sub-band configuration in the plurality of usable downlink sub-band configurations is associated with a specified number of sub-bands of a specified sub-band size. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the at least one UE-selected bandwidth portion of the downlink BWP includes a single UE-selected bandwidth portion corresponding to the entire downlink BWP. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the at least one UE-selected bandwidth portion of the downlink BWP includes a plurality of UE-selected bandwidth portions in the downlink BWP, and the CSI report includes a respective channel quality indicator (CQI) for each UE-selected bandwidth portion in the plurality of UE-selected bandwidth portions. ### Claim 11 (depends on 10) The apparatus of claim 10, the at least one processor being further configured to: transmit indications of a plurality of bandwidths corresponding to the plurality of UE-selected bandwidth portions in the downlink BWP to the network node. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein the downlink BWP is associated with a full-duplex operation. ### Claim 13 (depends on 1) The apparatus of claim 1, further comprising a transceiver coupled to the at least one processor, the transceiver being configured to receive the CSI-RS and transmit the CSI report. ### Claim 14 A method of wireless communication at a user equipment (UE), comprising: receiving a channel state information-reference signal (CSI-RS) from a network node; and transmitting a channel state information (CSI) report corresponding to at least one UE-selected bandwidth portion of a downlink bandwidth part (BWP) to the network node based on the CSI-RS. ### Claim 15 (depends on 14) The method of claim 14, wherein the CSI report includes at least one channel quality indicator (CQI) for the at least one UE-selected bandwidth portion of the downlink BWP. ### Claim 16 An apparatus for wireless communication at a network node, comprising: a memory; and at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to: transmit a channel state information-reference signal (CSI-RS) to a user equipment (UE); and receive a channel state information (CSI) report corresponding to at least one UE-selected bandwidth portion of a downlink bandwidth part (BWP) from the UE based on the CSI-RS. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein the CSI report includes at least one channel quality indicator (CQI) for the at least one UE-selected bandwidth portion of the downlink BWP. ### Claim 18 (depends on 16) The apparatus of claim 16, wherein the at least one UE-selected bandwidth portion of the downlink BWP corresponds to at least one downlink sub-band associated with a UE-selected downlink sub-band configuration in a plurality of usable downlink sub-band configurations. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein the at least one UE-selected bandwidth portion of the downlink BWP includes a plurality of downlink sub-bands associated with the UE-selected downlink sub-band configuration. ### Claim 20 (depends on 18) The apparatus of claim 18, the at least one processor being configured to: receive, prior to receiving the CSI report, an indication of the UE-selected downlink sub-band configuration from the UE. ### Claim 21 (depends on 18) The apparatus of claim 18, wherein the plurality of usable downlink sub-band configurations is preconfigured. ### Claim 22 (depends on 18) The apparatus of claim 18, wherein the plurality of usable downlink sub-band configurations is configured based on radio resource control (RRC) signaling from the network node. ### Claim 23 (depends on 18) The apparatus of claim 18, wherein each usable downlink sub-band configuration in the plurality of usable downlink sub-band configurations is associated with a specified number of sub-bands of a specified sub-band size. ### Claim 24 (depends on 16) The apparatus of claim 16, wherein the at least one UE-selected bandwidth portion of the downlink BWP includes a single UE-selected bandwidth portion corresponding to the entire downlink BWP. ### Claim 25 (depends on 16) The apparatus of claim 16, wherein the at least one UE-selected bandwidth portion of the downlink BWP includes a plurality of UE-selected bandwidth portions in the downlink BWP, and the CSI report includes a respective channel quality indicator (CQI) for each UE-selected bandwidth portion in the plurality of UE-selected bandwidth portions. ### Claim 26 (depends on 25) The apparatus of claim 25, the at least one processor being further configured to: receive indications of a plurality of bandwidths corresponding to the plurality of UE-selected bandwidth portions in the downlink BWP from the UE. ### Claim 27 (depends on 16) The apparatus of claim 16, wherein the downlink BWP is associated with a full-duplex operation. ### Claim 28 (depends on 16) The apparatus of claim 16, further comprising a transceiver coupled to the at least one processor, the transceiver being configured to transmit the CSI-RS and receive the CSI report. ### Claim 29 A method of wireless communication at a network node, comprising: transmitting a channel state information-reference signal (CSI-RS) to a user equipment (UE); and receiving a channel state information (CSI) report corresponding to at least one UE-selected bandwidth portion of a downlink bandwidth part (BWP) from the UE based on the CSI-RS. ### Claim 30 (depends on 29) The method of claim 29, wherein the CSI report includes at least one channel quality indicator (CQI) for the at least one UE-selected bandwidth portion of the downlink BWP.