研究目的
To theoretically analyze the performance of an underwater optical wireless communications system using different modulation techniques and an avalanche photodiode APD receiver over underwater environment channels.
研究成果
The study concludes that H-QAM is more suited for underwater optical wireless communication and that Si APD has more advantages compared with Ge APD in such environments.
研究不足
The study is theoretical and based on simulations, which may not fully capture all real-world conditions and variations in underwater environments.
1：Experimental Design and Method Selection:
The study is based on the LOS geometrical model combined with signal to noise ratio model for Si and Ge APD and BER.
2：Sample Selection and Data Sources:
The study uses theoretical models and simulations to analyze the performance.
3：List of Experimental Equipment and Materials:
The study mentions the use of Si and Ge APD receivers.
4：Experimental Procedures and Operational Workflow:
The study involves simulation to analyze the impact of transmission distance, transmitter power, and Jerlov water type on the system performance.
5：Data Analysis Methods:
The study analyzes the characteristics of bit error rate BER for different optical modulation techniques.
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