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Design of visible light communication node for underwater

  • Tao Shang
  • , Gang Du
  • , Xiaoyu Zhang
  • , Hongkun Zhang
  • Beihang University

Research output: Contribution to journalArticlepeer-review

Abstract

To adapt to the need of practical underwater communication application, the scheme of visible light communication node was designed for underwater, including hardware platform and software system. The hardware platform used STM32F405RGT6 as a master controller and contained visible light transmission module, visible light receiving module, power module and other peripheral circuits. Software system was mainly made up of operating system and protocol stack. In order to facilitate memory management and task scheduling, embedded operating system μC/OS II was transplanted on the hardware platform of communication node, and physical layer protocol and data link layer protocol were implemented based on the standard of IEEE 802.15.7. Through testing, it shows that the underwater visible light communication nodes can communicate within the scope of one meter for reliable transmission.

Keywords

  • Hardware design
  • Protocol stack
  • Underwater communication
  • Visible light communication
  • μ C/OS II

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