Resource unit indication method, access point, and station

A communication apparatus, comprising:

• at least one processor and at least one memory, wherein the memory stores instructions or a computer program for execution by the at least one processor to cause the communication apparatus to perform operations comprising:
• receiving a trigger frame from an access point, wherein
• the trigger frame comprises a resource unit allocation subfield used to indicate a resource to the communication apparatus, the resource unit allocation subfield comprises a frequency band range indication and a resource unit indication, the resource unit indication is used to indicate a multi-resource unit (MRU) allocated to the communication apparatus, and the frequency band range indication is used to indicate a frequency band range in which a smallest resource unit (RU) in the MRU corresponds to;
• and
• determining the MRU based on the frequency band range indication and the resource unit indication,
• wherein the MRU indicated by the resource unit indication corresponds to one of the following:
• the MRU comprises one 26-tone RU whose size is 26 subcarriers and one 52-tone RU whose size is 52 subcarriers, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 26-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 106-tone RU whose size is 106 subcarriers and one 26-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 26-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 484-tone RU whose size is 484 subcarriers and one 242-tone RU whose size is 242 subcarriers, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 242-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 996-tone RU whose size is 996 subcarriers and one 484-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to;
• or
• the MRU comprises two 996-tone RUs and one 484-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to;
• or
• the MRU comprises two 996-tone RUs, and the frequency band range indicated by the frequency band range indication is a frequency band range in which one of the 996-tone RUs in the MRU corresponds to;
• or
• the MRU comprises three 996-tone RUs and one 484-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 996-tone RU, one 484-tone RU, and one 242-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 242-tone RU in the MRU corresponds to;
• or
• the MRU comprises two 996-tone RUs, and one 484-tone RU whose size is 484 subcarriers, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to.

A chip, comprising at least one processor and an interface, wherein the interface is configured to obtain a computer program, and the processor is configured to invoke the computer program to perform the following steps:

• receiving a trigger frame from an access point, wherein
• the trigger frame comprises a resource unit allocation subfield used to indicate a resource allocated to a station, the resource unit allocation subfield comprises a frequency band range indication and a resource unit indication, the resource unit indication is used to indicate a multi-resource unit (MRU) allocated to the station, and the frequency band range indication is used to indicate a frequency band range in which a smallest resource unit (RU) in the MRU corresponds to;
• and
• determining the MRU based on the frequency band range indication and the resource unit indication,
• wherein the MRU indicated by the resource unit indication corresponds to one of the following:
• the MRU comprises one 26-tone RU whose size is 26 subcarriers and one 52-tone RU whose size is 52 subcarriers, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 26-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 106-tone RU whose size is 106 subcarriers and one 26-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 26-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 484-tone RU whose size is 484 subcarriers and one 242-tone RU whose size is 242 subcarriers, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 242-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 996-tone RU whose size is 996 subcarriers and one 484-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to;
• or
• the MRU comprises two 996-tone RUs and one 484-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to;
• or
• the MRU comprises two 996-tone RUs, and the frequency band range indicated by the frequency band range indication is a frequency band range in which one of the 996-tone RUs in the MRU corresponds to;
• or
• the MRU comprises three 996-tone RUs and one 484-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to;
• or
• the MRU comprises one 996-tone RU, one 484-tone RU, and one 242-tone RU, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 242-tone RU in the MRU corresponds to;
• or
• the MRU comprises two 996-tone RUs, and one 484-tone RU whose size is 484 subcarriers, and the frequency band range indicated by the frequency band range indication is a frequency band range in which the 484-tone RU in the MRU corresponds to.