2009•Communications technologyRequires access

Analysis and Simulation of Optimal Jamming QPSK Signals

Rui Zhang

Abstract

Quadrature phase shift keying modulation(QPSK) plays a very important role in the satellite communication.Based on of analyzing the principle of QPSK modulation and demodulation,the BERs of three jamming modes used for QPSK are theoretically derived,and these three modes include the continuous noise jamming,single frequency modulation jamming and pointed single frequency modulation jamming.By analyzing the simulation results,the jamming effects of the three jamming modes are obtained,and the effectiveness of the jamming is proved.

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Available abstract

Key concepts: Jamming, Phase-shift keying, Computer science, Demodulation, Modulation (music), Electronic engineering, Quadrature amplitude modulation, Telecommunications