Integrated Waveform Design Based on Spread Spectrum OFDM Radar Communication

Ma, Hao; Sun, Xiaoying; Jin, Wenxin

doi:10.1109/imcec46724.2019.8984147

Cited by 1 publication

(3 citation statements)

References 4 publications

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“…A phase-coded OFDM signal design for a single scattering point target is proposed in [43]. The OFDM signal comprises Gold sequence [48], [49], [66], [67] Gold sequence is the best coding sequence to reduce the peak of cross-ambiguity function.…”

Section: Isac Signal Combining Ofdm and Phase Codingmentioning

confidence: 99%

“…At the RX, with the processes of FFT, demodulation, and despreading, the original communication data are recovered [47], [73]. The SS-OFDM signal is given by [67] where P is the length of the spread spectrum sequence. a m (p) is the spread spectrum code, with the value of ±1.…”

Section: E Isac Signal Combining Ofdm and Spread Spectrummentioning

confidence: 99%

“…The follow-up studies have shown that the spread factor affects the sidelobes of the ranging ambiguity function. Gold sequence is a commonly used spread spectrum sequence, which efficiently reduces the peak of the cross-ambiguity function [66], [67]. The OFDM signal combining spread spectrum and LFM is proposed to improve the resolution of the ISAC signal.…”

Section: E Isac Signal Combining Ofdm and Spread Spectrummentioning

confidence: 99%

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Integrated Sensing and Communication Signals Toward 5G-A and 6G: A Survey

Wei

Wang

et al. 2023

IEEE Internet Things J.

116

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Integrated sensing and communication (ISAC) has the advantages of efficient spectrum utilization and low hardware cost. It is promising to be implemented in the fifth-generationadvanced (5G-A) and sixth-generation (6G) mobile communication systems, having the potential to be applied in intelligent applications requiring both communication and high-accurate sensing capabilities. As the fundamental technology of ISAC, ISAC signal directly impacts the performance of sensing and communication. This article systematically reviews the literature on ISAC signals from the perspective of mobile communication systems, including ISAC signal design, ISAC signal processing algorithms and ISAC signal optimization. We first review the ISAC signal design based on 5G, 5G-A and 6G mobile communication systems. Then, radar signal processing methods are reviewed for ISAC signals, mainly including the channel information matrix method, spectrum lines estimator method and super resolution method. In terms of signal optimization, we summarize peak-to-average power ratio (PAPR) optimization, interference management, and adaptive signal optimization for ISAC signals. This article may provide the guidelines for the research of ISAC signals in 5G-A and 6G mobile communication systems.

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