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Photon-Counting Underwater Optical Wireless Communication for Reliable Video Transmission Using Joint Source-Channel

Zhu Hong1, Qiurong Yan2,3, Zihang Li4

  • 1School of Information Engineering, Nanchang University, Nanchang 330031, China. hongzhu910@126.com.

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|March 3, 2019
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Summary
This summary is machine-generated.

A new joint source-channel coding scheme improves underwater optical wireless communication reliability. This method enhances video transmission by reducing data and improving error correction in photon counting systems.

Keywords:
distributed compressive video sensingphoton-countingunderwater optical wireless communication

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Area of Science:

  • Underwater optical wireless communication
  • Photon counting communication systems

Background:

  • Long-distance underwater optical wireless communication faces challenges like high bit error rates and interrupted links due to photon flux fluctuations and detector inefficiency.
  • Traditional systems struggle with reliable data transmission, especially for video, in these challenging environments.

Purpose of the Study:

  • To propose a joint source-channel coding scheme for reliable video transmission in underwater photon counting communication systems.
  • To enhance the anti-channel error ability and reduce data transmission requirements.

Main Methods:

  • Developed a joint source-channel coding scheme utilizing residual distributed compressive video sensing.
  • Designed specific methods for signal extraction from single photon pulses, data frame construction, and data verification.
  • Shifted computational complexity from the transmitter to the receiver's decoder.

Main Results:

  • The proposed scheme significantly reduces data at the transmitter.
  • Experimental results demonstrated a bit error rate (BER) of 0.0421 at 100 kbps with 20 photon pulses per bit.
  • Clear video frames were successfully restored despite challenging communication conditions.

Conclusions:

  • The joint source-channel coding scheme effectively addresses the limitations of underwater photon counting communication.
  • This approach enables reliable video transmission over long distances in underwater optical wireless systems.
  • The method offers a promising solution for robust underwater data communication.