A novel OFDM directional modulation waveforms synthesis approach for multiple target sensing

Gaojian Huang; Shengzhuang Zhang; Shan Ouyang; Yuan Ding; Xingwang Li

doi:10.1117/12.3037240

4 December 2024 A novel OFDM directional modulation waveforms synthesis approach for multiple target sensing

Gaojian Huang, Shengzhuang Zhang, Shan Ouyang, Yuan Ding, Xingwang Li

Author Affiliations +

Proceedings Volume 13283, Conference on Spectral Technology and Applications (CSTA 2024); 132834H (2024) https://doi.org/10.1117/12.3037240
Event: Conference on Spectral Technology and Applications (CSTA 2024), 2024, Dalian, China

Abstract

In this paper, a novel orthogonal frequency-division multiplexing directional modulation (OFDM-DM) waveform synthesis approach is presented for multiple radar target sensing in free space. The DM waveforms have demonstrated unique advantages in radar sensing. Unlike the conventional DM waveforms synthesis approach, the proposed method here can simultaneously deliver information to multiple targets at a high data rate and detect their azimuth angles. The desired OFDM-DM signals can be constructed using the inverse fast Fourier transform (IFFT) modules with no need to re-synthesize the array excitation vectors for different DM symbols. Simulation results are provided to prove the efficacy of the proposed approach.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Gaojian Huang, Shengzhuang Zhang, Shan Ouyang, Yuan Ding, and Xingwang Li "A novel OFDM directional modulation waveforms synthesis approach for multiple target sensing", Proc. SPIE 13283, Conference on Spectral Technology and Applications (CSTA 2024), 132834H (4 December 2024); https://doi.org/10.1117/12.3037240

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KEYWORDS

Orthogonal frequency division multiplexing

Modulation

Radar

Transmitters

Information security

Sensing systems

Wireless communications

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