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CHEN Bo-heng, WANG Ming-zhou, YUE Ling, KOU Xiao-ming, ZHANG Wen-bo. Performance Simulation of Multi-Carrier Frequency-Hopping Underwater Acoustic Communication System Based on DPSK[J]. Journal of Unmanned Undersea Systems, 2020, 28(2): 182-186. doi: 10.11993/j.issn.2096-3920.2020.02.010
Citation: CHEN Bo-heng, WANG Ming-zhou, YUE Ling, KOU Xiao-ming, ZHANG Wen-bo. Performance Simulation of Multi-Carrier Frequency-Hopping Underwater Acoustic Communication System Based on DPSK[J]. Journal of Unmanned Undersea Systems, 2020, 28(2): 182-186. doi: 10.11993/j.issn.2096-3920.2020.02.010

Performance Simulation of Multi-Carrier Frequency-Hopping Underwater Acoustic Communication System Based on DPSK

doi: 10.11993/j.issn.2096-3920.2020.02.010
  • Received Date: 2019-10-14
  • Rev Recd Date: 2019-10-25
  • Publish Date: 2020-04-30
  • Focusing on the problem that underwater acoustic channel has limited available communication bands and strong multi-path effects, a new underwater acoustic communication scheme is proposed. A multi-carrier underwater acoustic communication system is established by using differential phase shift keying(DPSK) and making use of the high bandwidth utilization ratio of multi-carrier(MC) communication and the anti-multipath capability of frequency hopping(FH) communication. And its principle and implementation process are described in detail. Moreover, the bit error ratio(BER) performances of the system under additive white Gaussian noise channel, Rayleigh fading channel and frequency-selective two-path Rayleigh fading channel are simulated and analyzed, and its reliable anti-noise performance is verified. Compared with FH/MFSK communication system, the proposed MC/FH-DPSK communication system achie- ves almost two times higher bandwidth utilization ratio and the similar performance of anti-multipath in the condition of same frequency hopping clearance and parameter of symbol width.

     

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