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Fractional Fourier domain hopped communication method based on chirp modulation for underwater acoustic channels

Xingbin Tu,Xiaomei Xu,Zheguang Zou,Liangliang Yang,Jianming Wu

Journal of Systems Engineering and Electronics（2017）

Cited 7|Views11
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Abstract
To improve the data rate of underwater acoustic frequency-hopped communications, frequency hopping is applied to different orders of fractional Fourier domain (FrFD), to enable non-intrusive, bandwidth-limited acoustic communications. An FrFD frequency-hopped communication method based on chirp modulation, namely multiple chirp shift keying-FrFD hopping (MCSK-FrFDH), is proposed for underwater aco...
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Key words
Frequency modulation,Chirp,Underwater acoustics,Bandwidth,Frequency-domain analysis,Spread spectrum communication,Frequency conversion
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