# US 12,763,880 B2 · Communication method, device, storage medium, and computer program product > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,763,880 B2 - Document ID: US12763880B2 - Status: Granted - Kind: B2 - Application number: 18/890,738 - Filed: 2024-09-19 - Published: 2025-01-09 - Granted: 2026-10-13 - Earliest claimed: 2022-03-22 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Yunfeng Han; Lin Gao; Huawei Yue - Web page: https://patentgrep.com/patent/US12763880B2 ## CPC - H04L 1/0073: {Special arrangements for feedback channel} - H04L 1/0081: {Formats specially adapted to avoid errors in the feedback channel (H04L1/1607 takes precedence)} - H04L 1/1614: {using bitmaps} - H04L 1/1671: {the supervisory signal being transmitted together with control information} - H04L 1/1864: {ARQ related signaling (H04L1/1607 takes precedence)} - H04L 1/1896: {ARQ related signaling} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 47/27: Evaluation or update of window size, e.g. using information derived from acknowledged [ACK] packets - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Embodiments of this disclosure relate to a wireless communication method, a device, a storage medium, and a computer program product. The method proposed herein includes: A receiving device generates a feedback frame in response to receiving of an aggregated frame, where the feedback frame includes first indication information and second indication information, the first indication information indicates a window size of a feedback window used to transmit the feedback frame, the window size is determined based on configuration information associated with the feedback window, and the second indication information indicates receiving status information of receiving the aggregated frame by the receiving device; and the receiving device sends the feedback frame to a sending device in the feedback window. This disclosure provides a frame structure of the block acknowledgment-based feedback frame, so that the feedback window used to transmit the feedback frame can be dynamically adjusted at a fine granularity. ## Claims ### Claim 1 A wireless communication method, comprising: generating, by a receiving device, a feedback frame in response to receiving of an aggregated frame, wherein the feedback frame comprises first indication information and second indication information, the first indication information indicates a window size of a feedback window used to transmit the feedback frame and occupies a field length of 4 bits in the feedback frame, the window size is determined based on configuration information associated with the feedback window and is dynamically adjusted frame by frame, the second indication information indicates receiving status information of receiving the aggregated frame by the receiving device; and sending, by the receiving device, the feedback frame to a sending device in the feedback window. ### Claim 2 (depends on 1) The method according to claim 1, wherein the generating the feedback frame comprises: determining a bit value corresponding to the window size; and generating the first indication information of the feedback frame based on the bit value. ### Claim 3 (depends on 2) The method according to claim 2, further comprising: receiving downlink control information; obtaining, from the downlink control information, an indication field associated with a feedback type of the feedback frame; and determining the configuration information based on the indication field associated with the feedback type. ### Claim 4 (depends on 1) The method according to claim 1, wherein a data amount of the feedback frame transmitted in the feedback window is 8, 16, 32, 64, 128, 256, or 512 bits. ### Claim 5 (depends on 1) The method according to claim 1, wherein the receiving the status information is indicated in a variable-length content field comprised in the second indication information. ### Claim 6 (depends on 1) The method according to claim 1, wherein the aggregated frame comprises a plurality of aggregated medium access control protocol data units. ### Claim 7 (depends on 1) The method according to claim 1, wherein the feedback frame comprises a block acknowledgment frame. ### Claim 8 A wireless communication method, comprising: sending, by a sending device, an aggregated frame; and receiving, by the sending device, a feedback frame in a feedback window used by a receiving device to transmit the feedback frame for the aggregated frame, wherein the feedback frame comprises first indication information and second indication information, the first indication information indicates a window size of the feedback window and occupies a field length of 4 bits in the feedback frame, the window size is determined based on configuration information associated with the feedback window and is dynamically adjusted frame by frame, and the second indication information indicates receiving status information of receiving the aggregated frame by the receiving device. ### Claim 9 (depends on 8) The method according to claim 8, further comprising: determining, based on an attribute of the aggregated frame, the configuration information associated with the feedback window; determining, based on the configuration information, an indication field that is in downlink control information and that is associated with a feedback type of the feedback frame; and sending the downlink control information to the receiving device. ### Claim 10 (depends on 8) The method according to claim 8, wherein the aggregated frame comprises a plurality of aggregated medium access control protocol data units. ### Claim 11 (depends on 8) The method according to claim 8, wherein the feedback frame comprises a block acknowledgment frame. ### Claim 12 (depends on 1) A communication device, comprising: a transceiver and a processor coupled to the transceiver, wherein the processor is configured to perform the method according to claim 1. ### Claim 13 (depends on 8) A communication device, comprising: a transceiver and a processor coupled to the transceiver, wherein the processor is configured to perform the method according to claim 8. ### Claim 14 A receiving device, comprising: a processor, configured to generate a feedback frame in response to receiving of an aggregated frame, wherein the feedback frame comprises first indication information and second indication information, the first indication information indicates a window size of a feedback window used to transmit the feedback frame and occupies a field length of 4 bits in the feedback frame, the window size is determined based on configuration information associated with the feedback window and is dynamically adjusted frame by frame, the second indication information indicates receiving status information of receiving the aggregated frame by the receiving device; and a transceiver, coupled to the processor and configured to cooperate with the processor to send the feedback frame to a sending device in the feedback window. ### Claim 15 (depends on 14) The receiving device according to claim 14, wherein in generating the feedback frame, the processor is further configured to: determine a bit value corresponding to the window size; and generate the first indication information of the feedback frame based on the bit value. ### Claim 16 (depends on 15) The receiving device according to claim 15, the processor is further configured to: receive downlink control information; obtain, from the downlink control information, an indication field associated with a feedback type of the feedback frame; and determine the configuration information based on the indication field associated with the feedback type. ### Claim 17 (depends on 14) The receiving device according to claim 14, wherein a data amount of the feedback frame transmitted in the feedback window is 8, 16, 32, 64, 128, 256, or 512 bits. ### Claim 18 (depends on 14) The receiving device according to claim 14, wherein the receiving the status information is indicated in a variable-length content field comprised in the second indication information. ### Claim 19 (depends on 14) The receiving device according to claim 14, wherein the aggregated frame comprises a plurality of aggregated medium access control protocol data units. ### Claim 20 (depends on 14) The receiving device according to claim 14, wherein the feedback frame comprises a block acknowledgment frame.