PREAMBLE SENDING METHOD AND DEVICE AND PREAMBLE RECEIVING METHOD AND DEVICE
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United States of America Patent
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Issued Date -
Oct 19, 2023
app pub date -
May 12, 2023
filing date -
Nov 12, 2020
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Abstract
Provided are a preamble sending method and apparatus and a preamble receiving method and apparatus. The preamble sending method includes sending a preamble containing two or more code pattern sequences, where the two or more code pattern sequences comprise a first code pattern sequence and a second code pattern sequence. That is, by enabling the preamble to support different code pattern sequences, the rapid transmission of the preamble is implemented by using functions corresponding to the different code pattern sequences, and thus the rapid equalization convergence can be performed after the rate of a passive optical network is improved, thereby improving the transmission efficiency and decreasing the processing delay. Through the preceding technical solutions, the problems in the related art that equalization time is long, transmission efficiency is reduced and processing delay is increased due to the fact that a preamble is not conducive to the convergence of an equalizer are solved.
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