US Patent No. 11,071,072

PREAMBLE SYMBOL RECEIVING METHOD AND DEVICE


Patent No. 11,071,072
Issue Date July 20, 2021
Title Preamble Symbol Receiving Method And Device
Inventorship Ge Huang, Shanghai (CN)
Hongliang Xu, Shanghai (CN)
Guanbin Xing, Shanghai (CN)
Wenjun Zhang, Shanghai (CN)
Xufeng Guo, Shanghai (CN)

Claim of US Patent No. 11,071,072


1. A preamble symbol receiving method, characterized by comprising the following steps:receiving a signal;
processing the received signal;
determining whether the processed signal obtained contains a preamble symbol; and
in response to determining that the processed signal contains the preamble symbol, determining a position of the preamble symbol and demodulating signalling information carried by the preamble symbol,
wherein the received preamble symbol comprises at least one time-domain symbol generated by using a combination of at least one first three-segment structure and at least one second three-segment structure according to a predefined generation rule,
the first three-segment structure containing:a first time-domain main body signal,
a first prefix generated based on a first portion, less than an entirety, of the first time-domain main body signal, and
a postfix generated based on a portion, less than an entirety, of the first portion of the first time-domain main body signal, and

the second three-segment structure containing:a second time-domain main body signal,
a second prefix generated based on a second portion, less than an entirety, of the second time-domain main body signal, and
a hyper prefix generated based on a portion, less than an entirety, of the second portion of the second time-domain main body signal,

wherein the first time-domain main body signal and the second time-domain main body signal are a same time-domain main body signal or two different time-domain main body signals.