# US 2023/0412301 A1 · Communication method and communication device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0412301 A1 - Document ID: US20230412301A1 - Status: Published application - Kind: A1 - Application number: 18/036,533 - Filed: 2020-11-13 - Published: 2023-12-21 - Earliest claimed: 2020-11-13 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Xiandong DONG - Web page: https://patentgrep.com/patent/US20230412301A1 ## CPC - H04L 1/0003: {by switching between different modulation schemes} - H04L 1/0005: {applied to payload information} - H04L 1/00: Arrangements for detecting or preventing errors in the information received {(correcting synchronisation H04L7/00)} - H04L 1/0009: {by adapting the channel coding (H04L1/1812 takes precedence)} - H04L 1/0016: {involving special memory structures, e.g. look-up tables} - H04L 1/0025: {Transmission of mode-switching indication} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A communication method includes: determining a first message frame, the first message frame including information indicating a physical parameter, the physical parameter including a modulation and coding scheme (MCS) set supported by N spatial streams, in which N is a positive integer greater than 8; and performing communication between a transmission terminal and a reception terminal communicating based on the first message frame. ## Claims ### Claim 1 A communication method, comprising: determining a first message frame, the first message frame comprising information indicating a physical parameter, the physical parameter comprising a modulation and coding scheme (MCS) set supported by N spatial streams, wherein N is a positive integer greater than 8; and performing communication between a transmission terminal and a reception terminal based on the first message frame. ### Claim 2 (depends on 1) The communication method according to claim 1, wherein the modulation and coding scheme (MCS) set comprises an MCS corresponding to a modulation and coding mode of 4096-quadrature amplitude modulation (QAM). ### Claim 3 (depends on 2) The communication method according to claim 2, wherein indexes of the MCS corresponding to the modulation and coding mode of the 4096-QAM are 12 and 13. ### Claim 4 (depends on 1) The communication method according to claim 1, wherein the modulation and coding scheme (MCS) set comprises MCS corresponding to at least one of the following modulation and coding modes: quadrature phase shift keying (QPSK), 16-QAM, 64-QAM, 256-QAM, 1024-QAM. ### Claim 5 (depends on 4) The communication method according to claim 4, wherein indexes of the MCS range from 0 to 11. ### Claim 6 (depends on 1) The communication method according to claim 1, wherein N equals to 16. ### Claim 7 (depends on 1) The communication method according to claim 1, wherein the MCS is an extreme high-throughput-modulation and coding scheme (EHT-MCS). ### Claim 8 (depends on 7) The communication method according to claim 7, wherein the first message frame comprises a plurality of first sub-fields, the plurality of first sub-fields identifying a maximum (max) EHT-MCS set supported by n spatial streams, wherein n=1, . . . , N. ### Claim 9 (depends on 8) The communication method according to claim 8, wherein each first sub-field comprises at least three bits. ### Claim 10 (depends on 8) The communication method according to claim 8, wherein a coded value of each first sub-field represents any of the following: a first value indicates support for EHT-MCSs 0-7 for n spatial streams; a second value indicates support for EHT-MCSs 0-9 for n spatial streams; a third value indicates support for EHT-MCSs 0-11 for n spatial streams; a fourth value indicates support for EHT-MCSs 0-13 for n spatial streams; or a fifth value indicates that n spatial streams are not supported for EHT presentation protocol data units (PPDUs). ### Claim 11 (depends on 8) The communication method according to claim 8, wherein the first message frame comprises: an extreme high-throughput operation element; wherein the extreme high-throughput operation element comprises the plurality of first sub-fields. ### Claim 12 (canceled) ### Claim 13 (depends on 11) The communication method according to claim 11, wherein the extreme high-throughput operation element comprises an extreme high-throughput operation parameter field. ### Claim 14 (depends on 13) The communication method according to claim 13, wherein the extreme high-throughput operation parameter field comprises a first identifier configured to indicate whether a high efficiency (HE) operation parameter sub-field is present. ### Claim 15 (depends on 13) The communication method according to claim 13, wherein the extreme high-throughput operation parameter field comprises a second identifier configured to indicate whether a very high throughput (VHT) operation parameter sub-field is present. ### Claim 16 (depends on 8) The communication method according to claim 8, wherein the first message frame comprises: a supported EHT-MCS and a number of spatial stream (NSS) set sub-field. ### Claim 17 (depends on 16) The communication method according to claim 16, wherein the supported EHT-MCS and NSS set sub-field comprises a second sub-field indicating at least one of the following: receive EHT-MCS map corresponding to a bandwidth of 320 MHz; transmit EHT-MCS map corresponding to the bandwidth of 320 MHz; receive EHT-MCS map corresponding to a bandwidth of 160 MHz+160 MHz; or transmit EHT-MCS map corresponding to the bandwidth of 160 MHz+160 MHz. ### Claim 18 (depends on 16) The communication method according to claim 16, wherein the supported EHT-MCS and NSS set sub-field comprises a second sub-field indicating at least one of the following: receive EHT-MCS map corresponding to a bandwidth less than or equal to 80 MHz; transmit EHT-MCS map corresponding to the bandwidth less than or equal to 80 MHz; receive EHT-MCS map corresponding to a bandwidth of 160 MHz; transmit EHT-MCS map corresponding to the bandwidth of 160 MHz; receive EHT-MCS map corresponding to a bandwidth of 80 MHz+80 MHz; or transmit EHT-MCS map corresponding to the bandwidth of 80 MHz+80 MHz. ### Claim 19 (depends on 17) The communication method according to claim 17, wherein each second sub-field comprises the plurality of first sub-fields. ### Claim 20 (canceled) ### Claim 21 An electronic device, comprising a memory, a processor, and a computer program stored on the memory and runnable by the processor, wherein when the computer program is executed by the processor, the processor is caused to: determine a first message frame, the first message frame comprising information indicating a physical parameter, the physical parameter comprising a modulation and coding scheme (MCS) set supported by N spatial streams, wherein N is a positive integer greater than 8; and perform communication between a transmission terminal and a reception terminal based on the first message frame. ### Claim 22 A non-transitory computer-readable storage medium, storing a computer program, wherein when the computer program is executed by a processor, the processor is caused to: determine a first message frame, the first message frame comprising information indicating a physical parameter, the physical parameter comprising a modulation and coding scheme (MCS) set supported by N spatial streams, wherein N is a positive integer greater than 8; and perform communication between a transmission terminal and a reception terminal based on the first message frame.