# US 10,772,074 B2 · Facilitation of reporting sub-band channel quality indicators for 5G or other next generation network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,772,074 B2 - Document ID: US10772074B2 - Status: Granted - Kind: B2 - Application number: 15/932,238 - Filed: 2018-02-16 - Published: 2019-08-22 - Granted: 2020-09-08 - Earliest claimed: 2018-02-16 - Assignees: AT&T Intellectual Property I, L.P. - Applicants: AT&T Intellectual Property I, L.P. - Inventors: SaiRamesh Nammi; Arunabha Ghosh; Milap Majmundar - Web page: https://patentgrep.com/patent/US10772074B2 ## CPC - H04W 72/02: Selection of wireless resources by user or terminal - H04L 1/0026: {Transmission of channel quality indication} - H04L 1/0029: {Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling (power control H04W52/04)} - H04L 1/003: {Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits} - H04L 5/0057: {Physical resource allocation for CQI} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/51: based on terminal or device properties - H04W 72/542: using measured or perceived quality - 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)} - 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) ## Abstract In one embodiment, described herein is a method comprising receiving, by a mobile device comprising a processor, instruction data representative of an instruction to select a provisional channel quality indicator from a network device of a wireless network based on aperiodic channel quality data associated with a sub-band, wherein the instruction data is based on a configured bandwidth part associated with a communication between the network device and the mobile device, and wherein a channel quality indicator comprises a full resolution associated with the sub-band. The method also comprises in response to the receiving, selecting by the mobile device, the provisional channel quality indicator based on the instruction data. Furthermore, in response to the selecting, the method can comprise facilitating, by the mobile device, sending the channel quality indicator to the network device in accordance with a full resolution instruction associated with the full resolution. ## Claims ### Claim 1 A method, comprising: based on aperiodic channel quality data associated with a sub-band, receiving, by a mobile device comprising a processor, instruction data representative of an instruction to select a provisional channel quality indicator from a network device of a wireless network, wherein the instruction data is based on a configured bandwidth part associated with a communication between the network device and the mobile device, and wherein a channel quality indicator comprises a full resolution associated with the sub-band; in response to the receiving, selecting, by the mobile device, the provisional channel quality indicator based on the instruction data; and in response to the selecting, facilitating, by the mobile device, sending the channel quality indicator to the network device in accordance with a full resolution instruction associated with the full resolution, wherein the sending comprises sending an identification of the sub-band in response to a channel quality indicator value being determined to have traversed a threshold value associated with the channel quality indicator, and wherein the sending further comprises sending the channel quality indicator based on a defined radio resource control offset value. ### Claim 2 (depends on 1) The method of claim 1, wherein the aperiodic channel quality data is sent via a physical uplink shared channel between the network device and the mobile device. ### Claim 3 (depends on 1) The method of claim 1, wherein the instruction data is received by the mobile device via a downlink control channel between the network device and the mobile device. ### Claim 4 (depends on 1) The method of claim 1, wherein the instruction data is based on a number of channel state information reference signal ports of associated with the network device. ### Claim 5 (depends on 4) The method of claim 4, wherein a differential offset value increases as the number of channel state information reference signal ports increase. ### Claim 6 (depends on 1) The method of claim 1, wherein the instruction data is based on sub-band channel quality data representative of a previous sub-band channel quality between the mobile device and the network device. ### Claim 7 (depends on 6) The method of claim 6, wherein a differential offset value decreases based on the previous sub-band channel quality between the mobile device and the network device. ### Claim 8 A network device, comprising: a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: based on a condition associated with channel quality data of a sub-band of a wireless network being determined to have been satisfied, selecting a differential offset value representative of a differential offset; sending the differential offset value to a mobile device of the wireless network, wherein the sending comprises sending an identification of the sub-band in response to a channel quality indicator value being determined to have traversed a threshold value; and in response to the sending the differential offset value to the mobile device, receiving data from the mobile device via a channel between the mobile device and the network device wherein the data comprises a defined radio resource control offset value. ### Claim 9 (depends on 8) The network device of claim 8, wherein the receiving the data comprises receiving the channel quality indicator in accordance with a full resolution instruction. ### Claim 10 (depends on 8) The network device of claim 8, wherein the receiving the data comprises receiving a differential sub-band channel quality indicator from the mobile device, via a physical uplink control channel, in accordance with the differential offset. ### Claim 11 (depends on 8) The network device of claim 8, wherein the condition is associated with a number of channel state information reference signal ports of the network device. ### Claim 12 (depends on 8) The network device of claim 8, wherein the channel quality data is aperiodic channel quality data and wherein the channel is a physical uplink shared channel. ### Claim 13 (depends on 8) The network device of claim 8, wherein the selecting the differential offset value is based on previous sub-band channel quality data representative of a previous sub-band channel quality. ### Claim 14 (depends on 8) The network device of claim 8, wherein the channel quality data is periodic channel quality data and wherein the channel is a physical uplink control channel. ### Claim 15 (depends on 8) The network device of claim 8, wherein the selecting the differential offset value is based on sub-band channel quality data received from the mobile device. ### Claim 16 A machine-readable storage medium, comprising executable instructions that, when executed by a processor of a network device of a wireless network, facilitate performance of operations, comprising: based on a condition associated with periodic channel state data associated with a sub-band of the wireless network being determined to have been satisfied, selecting a differential offset value representative of a differential offset; sending, to a mobile device of the wireless network, the differential offset value, wherein the sending comprises sending an identification of the sub-band in response to a channel quality indicator value being determined to have traversed a threshold value associated with the channel quality indicator; and in response to the sending the differential offset value to the mobile device, receiving a differential sub-band channel quality indicator from the mobile device via a physical uplink control channel, in accordance with the differential offset, and wherein the differential sub-band channel quality indicator is based on a defined radio resource control offset value. ### Claim 17 (depends on 16) The machine-readable storage medium of claim 16, wherein the selecting the differential offset value comprises selecting the differential offset value based on sub-band channel quality data received by the network device from the mobile device. ### Claim 18 (depends on 17) The machine-readable storage medium of claim 17, wherein the selecting the differential offset value comprises selecting the differential offset value based on sub-band channel quality data representative of a previous sub-band channel quality between the mobile device and the network device. ### Claim 19 (depends on 16) The machine-readable storage medium of claim 16, wherein a first increase in the differential offset value corresponds to a second increase of a value associated with sub-band channel quality data associated with the mobile device. ### Claim 20 (depends on 16) The machine-readable storage medium of claim 16, wherein a first decrease in the differential offset value corresponds to a second decrease of a value associated with sub-band channel quality data associated with the mobile device.