Physical-Layer Network Coding in Shallow Sea Underwater Acoustic Channels

  • Bo Li
  • Xuesong Ding
  • Hongjuan YangEmail author
  • Gongliang Liu
  • Xiyuan Peng
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 463)


To improve the limited-bandwidth in shallow underwater acoustic communication, we propose to apply the physical-layer network coding (PNC) to this communication system. This paper analyzes the model of shallow underwater acoustic channel – “Ray Model” and uses the adaptive equalization technique to eliminate the inter-symbol interference (ISI). Besides, we also study the principle of PNC and research the demodulation and mapping scheme in relay node. Finally, we combine the channel model and PNC technique in two-way relay communication (TWRC) system. The performance simulation of PNC is compared with the traditional multi-hop scheme and network coding (NC) scheme. The result shows that PNC scheme can improve the throughput of system but do not increase the bit error rate (BER) in the shallow underwater acoustic communication. It provides a new research direction for shallow underwater acoustic communication, and also expands a new field for PNC applications.


Underwater acoustic channel Multi-path model Physical-layer network coding Bit error rate Throughput 



This work is supported in part by National Natural Science Foundation of China (No. 61401118, No. 61371100 and No. 61671184), Natural Science Foundation of Shandong Province (No. ZR2014FP016), the Foundation of Science and Technology on Communication Networks Key Laboratory, the Fundamental Research Funds for the Central Universities (No. HIT.NSRIF.2016100 and 201720) and the Scientific Research Foundation of Harbin Institute of Technology at Weihai (No. HIT(WH)201409 and No. HIT(WH)201410).


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Bo Li
    • 1
    • 2
  • Xuesong Ding
    • 1
  • Hongjuan Yang
    • 1
    Email author
  • Gongliang Liu
    • 1
  • Xiyuan Peng
    • 1
    • 3
  1. 1.Harbin Institute of Technology (Weihai)WeihaiChina
  2. 2.Science and Technology on Communication Networks Key LaboratoryShijiazhuangChina
  3. 3.Harbin Institute of TechnologyHarbinChina

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