Underwater wireless optical communication optical channel simulation method and simulation system

Abstract

The invention discloses an underwater wireless optical communication optical channel simulation method and simulation system. The method comprises the steps: selecting a to-be-simulated light source type, generating an optical pulse, and defining the initial position of a photon and a current direction cosine; defining different water quality parameters according to different water quality types; randomly selecting an optical path, a scattering angle, an azimuth angle and the like, updating a photon weight, and simulating channel transmission of photons under a selected water quality condition; and marking and counting the detected photons at a receiver end. The problems that underwater light field data is difficult to collect and test, and the overall system of the underwater optical communication system is difficult to design and verify can be solved, a system simulation tool is provided for designers, various parameters of the underwater optical communication system are fully considered, the parameters can be changed according to actual project requirements, and the engineering design requirements are met.

Description

technical field [0001] The invention belongs to the technical field of underwater wireless optical communication, and in particular relates to an optical channel simulation method and a simulation system for underwater wireless optical communication. Background technique [0002] In order to meet the rapid growth of underwater human activities, the demand for high-speed, large-bandwidth underwater data communication links continues to grow. Underwater wireless optical communication has brought new solutions to underwater communication due to its advantages of large channel capacity, strong anti-interference ability, high security, and small device size. Compared with radio frequency and underwater acoustic communication, underwater wireless optical communication is an emerging technology with high bandwidth, low delay and high transmission rate. research in science, environment and business. [0003] The problems faced by underwater wireless communication are the absorptio...

AI Technical Summary

Problems solved by technology

[0004] Technical purpose: Aiming at the above technical problems, the present invention proposes an underwater wireless optical communication optical channel simulation method and simulation system, which can solve the problems of difficult acquisition and testing of underwater optical field data and difficulties in the overall system design and verification of underwater optical communication systems. Problems, help underwater optical communication system designers better design the actual system, save costs and improve efficiency

Images