SYSTEM AND METHOD USING BACKWARD-COMPATIBLE FORMATS OF PREAMBLE FOR WIRELESS COMMUNICATION OF MULTIPLE ACCESS Russian patent published in 2018 - IPC H04L27/26 

FIELD: radio engineering, communication.

SUBSTANCE: method includes the transfer of the first section of the preamble according to the first format, with the first section of the preamble containing information, ordering the devices, compatible with the first format, to delay the transfer, the transfer of the second section of the preamble according to the second format, with the second section of the preamble containing tone separation information, wherein the tone separation information identifies two or more wireless devices; and data transfer simultaneously to two or more wireless devices, wherein the data is contained in two or more subranges.

EFFECT: improvement of communication.

15 cl, 35 dwg, 1 tbl