Performance evaluation method of radar-embedded communication waveform based on processing gain advantage
Radar-embedded communication(REC)is a covert communication method that enables radar and communication to share spectrum,and it achieves low probability of interception(LPI)communication by em-bedding communication waveforms in high-power radar backscattered echoes.Communication reliability and LPI performance are usually considered separately in the traditional REC waveform analysis,and thus,the compre-hensive performance of REC waveforms is often ignored.The index of processing gain advantage is proposed based on the processing gain,and the communication reliability performance,LPI performance and comprehen-sive performance of three REC waveforms are analyzed,which provides a new reference for waveform and param-eter selection of REC communication under different requirements.The simulation results confirm the correctness and feasibility of analyzing the performance of REC waveforms with the processing gain advantage.
RECprocessing gainprocessing gain advantagecommunication reliability performanceLPI performance
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