US Patent 11882069 Communication method, communication apparatus, and communication device

A communication method includes: generating an extremely high-throughput physical layer protocol data unit (EHT PPDU) that comprises a legacy physical layer preamble and a new physical layer preamble, wherein the legacy physical layer preamble comprises a legacy short training field (L-STF), a legacy long training field (L-LTF), a legacy signal (L-SIG) field in turn, and a first field of the new physical layer preamble is a repeat of a field in the legacy physical layer preamble and is modulated by binary phase shift keying (BPSK); and sending the PPDU.