Physical layer secure communication method based on acoustic wave cancellation interference in multi-carrier modulation

Physical layer secure communication method based on acoustic wave cancellation interference in multi-carrier modulation

The invention discloses a physical layer secure communication method based on sound wave cancellation interference in multi-carrier modulation, which comprises the following steps: constructing a track equation consisting of equal phase difference points generated by two fixed sound sources in a pla...

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Hauptverfasser: CHEN RONGJUN, WEI XINYUAN, LIN JIAHONG, TAN HONGZHOU, XIE SHUNDAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
JAMMING OF COMMUNICATION
SECRET COMMUNICATION
TRANSMISSION
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creator CHEN RONGJUN
WEI XINYUAN
LIN JIAHONG
TAN HONGZHOU
XIE SHUNDAO
description The invention discloses a physical layer secure communication method based on sound wave cancellation interference in multi-carrier modulation, which comprises the following steps: constructing a track equation consisting of equal phase difference points generated by two fixed sound sources in a plane, forming a standard equation of hyperbolic curves, and determining the number of the sound wave cancellation interference hyperbolic curves; defining a communication security area by utilizing the wave path difference epsilon; fixing the wave path difference epsilon, and confirming the frequencydistribution of the subcarriers; fixing subcarrier intervals and analyzing the distribution of the wave path difference epsilon; analyzing the signal leakage power in the cancellation interference region by utilizing the frequency and wave path difference distribution characteristics of the subcarriers; artificial noise is added to a receiving end to cover signal power leaked in a safe area aftercancellation interference
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
JAMMING OF COMMUNICATION
SECRET COMMUNICATION
TRANSMISSION
title Physical layer secure communication method based on acoustic wave cancellation interference in multi-carrier modulation
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