26 May 2016 Efficient sidelobe ASK based dual-function radar-communications
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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.
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Aboulnasr Hassanien, Moeness G. Amin, Yimin D. Zhang, Fauzia Ahmad, "Efficient sidelobe ASK based dual-function radar-communications", Proc. SPIE 9829, Radar Sensor Technology XX, 98290K (26 May 2016); doi: 10.1117/12.2227252; https://doi.org/10.1117/12.2227252
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