Efficient sidelobe ASK based dual-function radar-communications

A. Hassanien, M. Amin, Yimin D. Zhang, F. Ahmad
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引用次数: 9

Abstract

Recently, dual-function radar-communications (DFRC) has been proposed as means to mitigate the spectrum congestion problem. Existing amplitude-shift keying (ASK) methods for information embedding do not take full advantage of the highest permissable sidelobe level. In this paper, a new ASK-based signaling strategy for enhancing the signal-to-noise ratio (SNR) at the communication receiver is proposed. The proposed method employs one reference waveform and simultaneously transmits a number of orthogonal waveforms equals to the number of 1's in the binary sequence being embedded. 3 dB SNR gain is achieved using the proposed method as compared to existing sidelobe ASK methods. The effectiveness of the proposed information embedding strategy is verified using simulations examples.
基于旁瓣ASK的高效双功能雷达通信
近年来,双功能雷达通信(DFRC)被提出作为缓解频谱拥塞问题的手段。现有的移幅键控(ASK)信息嵌入方法不能充分利用允许的最高副瓣电平。本文提出了一种新的基于请求的信令策略,以提高通信接收机的信噪比。该方法采用一个参考波形,同时传输与所嵌入的二进制序列中1的个数相等的多个正交波形。与现有的旁瓣ASK方法相比,该方法获得了3db的信噪比增益。通过仿真实例验证了所提信息嵌入策略的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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