Golay complementary sequence and constant envelope orthogonal frequency‐division multiplexing‐based for integrated sensing and communication with mutual information analysis

Author:

Chen Xinyu1ORCID,Rao Bin1ORCID,Song Dan2,Wang Wei1,Zou Xiaohai1

Affiliation:

1. School of Electronics and Communication Engineering Sun Yat‐sun University Shenzhen China

2. Test Center National University of Defense Technology Xi'an China

Abstract

AbstractThe design of waveforms plays a critical role in integrated sensing and communication (ISAC) systems. An ISAC waveform with a 0dB peak‐to‐average power ratio (PAPR) is designed by combining a Golay complementary sequence with a constant envelope orthogonal frequency‐division multiplexing. By adjusting the phase modulation parameters, this waveform allows for a trade‐offs between communication and sensing capabilities. The authors focus on several key performance metrics for the proposed ISAC waveform, notably using mutual information as a holistic performance indicator to assess both sensing and communication effectiveness. Through extensive numerical simulations, the authors demonstrate that the ISAC waveform significantly enhances detection probability compared to traditional phase‐modulated waveforms. The findings suggest that this approach is beneficial for designing low PAPR phase‐modulated ISAC waveforms, enhancing both the functionality and efficiency of ISAC systems.

Publisher

Institution of Engineering and Technology (IET)

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