# US 12,120,650 B2 · Data transmission method and related apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,120,650 B2 - Document ID: US12120650B2 - Status: Granted - Kind: B2 - Application number: 17/144,844 - Filed: 2021-01-08 - Published: 2021-05-06 - Granted: 2024-10-15 - Earliest claimed: 2018-07-11 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Jian Yu; Yunbo Li - Web page: https://patentgrep.com/patent/US12120650B2 ## CPC - 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 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04L 5/0023: {Time-frequency-space} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L 5/0058: {Allocation criteria} - H04W 28/18: Negotiating wireless communication parameters - H04W 56/00: Synchronisation arrangements - H04L 1/0002: {by adapting the transmission rate} - 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 The present disclosure relates to data transmission methods and related apparatus. In one example method, a first node sends a to-be-sent frame whose classification attribute value belongs to the first frequency block classification range to a second node by using a first frequency block. The classification attribute value of the to-be-sent frame includes at least one of a frame type, a transmission rate, quality of service, a quality of service access category, a spatial stream, sending duration, a data packet format, or a data packet bandwidth. ## Claims ### Claim 1 A data transmission method, wherein the method comprises: sending, by a communication apparatus, a probe request frame on a first frequency band, wherein the probe request frame includes capability information of the communication apparatus in the first frequency band and capability information of the communication apparatus in a second frequency band, and the second frequency band is higher than the first frequency band on frequency; receiving, by the communication apparatus, a probe response frame on the first frequency band; sending, by the communication apparatus, an association request frame on the first frequency band, wherein the association request frame is used to request an association in the first frequency band and the second frequency band; receiving, by the communication apparatus, an association response frame on the first frequency band, wherein the association response frame is used to indicate the communication apparatus to establish the association in the first frequency band and the second frequency band; obtaining, by the communication apparatus, a frame; and sending, by the communication apparatus, the frame on the first frequency band but not the second frequency band, when a transmission rate of the frame is less than a preset transmission rate classification threshold; or sending, by the communication apparatus, the frame on the first frequency band or the second frequency band, when the transmission rate of the frame is greater than the preset transmission rate classification threshold. ### Claim 2 (depends on 1) The method according to claim 1, wherein the second frequency band is 6 GHz frequency band. ### Claim 3 (depends on 1) The method according to claim 1, wherein the first frequency band is 2.4 GHz frequency band or 5 GHz frequency band. ### Claim 4 (depends on 1) The method according to claim 1, wherein the first frequency band is 2.4 GHz frequency band, and the second frequency band is 5 GHz frequency band. ### Claim 5 (depends on 1) The method according to claim 1, wherein the preset transmission rate classification threshold is set for a spatial stream. ### Claim 6 (depends on 1) The method according to claim 1, wherein the preset transmission rate classification threshold is indicated. ### Claim 7 (depends on 1) The method according to claim 1, wherein a packet format of the frame is a high efficient (HE) data packet. ### Claim 8 A data transmission apparatus wherein the apparatus comprises a non-transitory memory storage comprising instructions; and one or more processors in communication with the memory, wherein the one or more processors execute the instructions to: send a probe request frame on a first frequency band, wherein the probe request frame includes capability information of the apparatus in the first frequency band and capability information of the apparatus in a second frequency band, and the second frequency band is higher than the first frequency band on frequency; receive a probe response frame on the first frequency band; send an association request frame on the first frequency band, wherein the association request frame is used to request an association in the first frequency band and the second frequency band; receive an association response frame on the first frequency band, wherein the association response frame is used to indicate the apparatus to establish the association in the first frequency band and the second frequency band; obtain a frame; and send the frame on the first frequency band but not the second frequency band, when a transmission rate of the frame is less than a preset transmission rate classification threshold; or send the frame on the first frequency band or the second frequency band, when the transmission rate of the frame is greater than the preset transmission rate classification threshold. ### Claim 9 (depends on 8) The data transmission apparatus according to claim 8, wherein the second frequency band is 6 GHz frequency band. ### Claim 10 (depends on 8) The data transmission apparatus according to claim 8, wherein the first frequency band is 2.4 GHz frequency band or 5 GHz frequency band. ### Claim 11 (depends on 8) The data transmission apparatus according to claim 8, wherein the first frequency band is 2.4 GHz frequency band, and the second frequency band is 5 GHz frequency band. ### Claim 12 (depends on 8) The data transmission apparatus according to claim 8, wherein the preset transmission rate classification threshold is set based on a spatial stream. ### Claim 13 (depends on 8) The data transmission apparatus according to claim 8, wherein the preset transmission rate classification threshold is indicated. ### Claim 14 (depends on 8) The data transmission apparatus according to claim 8, wherein a packet format of the frame is a high efficient (HE) data packet. ### Claim 15 A non-transitory computer-readable media storing computer instructions, that when executed by one or more processors of a communication apparatus, cause the one or more processors to: send a probe request frame on a first frequency band, wherein the probe request frame includes capability information of the communication apparatus in the first frequency band and capability information of the communication apparatus in a second frequency band, and the second frequency band is higher than the first frequency band on frequency; receive a probe response frame on the first frequency band; send an association request frame on the first frequency band, wherein the association request frame is used to request an association in the first frequency band and the second frequency band; receive an association response frame on the first frequency band, wherein the association response frame is used to indicate the communication apparatus to establish the association in the first frequency band and the second frequency band; obtain a frame; and send the frame on the first frequency band but not the second frequency band, when a transmission rate of the frame is less than a preset transmission rate classification threshold; or send the frame on the first frequency band or the second frequency band, when the transmission rate of the frame is greater than the preset transmission rate classification threshold. ### Claim 16 (depends on 15) The non-transitory computer-readable media according to claim 15, wherein the second frequency band is 6 GHz frequency band. ### Claim 17 (depends on 15) The non-transitory computer-readable media according to claim 15, wherein the first frequency band is 2.4 GHz frequency band or 5 GHz frequency band. ### Claim 18 (depends on 15) The non-transitory computer-readable media according to claim 15, wherein the first frequency band is 2.4 GHz frequency band, and the second frequency band is 5 GHz frequency band. ### Claim 19 (depends on 15) The non-transitory computer-readable media according to claim 15, wherein the preset transmission rate classification threshold is set based on a spatial stream. ### Claim 20 (depends on 15) The non-transitory computer-readable media according to claim 15, wherein the preset transmission rate classification threshold is indicated.