利用PIN和雪崩光电探测器估算水下光通信的最大距离

2019 International Conference on Advances in Computing and Communication Engineering (ICACCE) Pub Date : 2019-04-01 DOI:10.1109/ICACCE46606.2019.9079984

M. Das, P. Arjun, A. Bhaskaran, P. S. Aravind, T. Aswin, Viswas Sadasivan

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引用次数: 3

摘要

本文利用PIN码和雪崩光电探测器(apd)对水下光通信(UWOC)距离进行了估计。在这项基于仿真的研究中，使用100mW激光和APD，在Pure Sea water中，以6Mbps的速度传输高质量视频的最大距离估计为520米，Clear Ocean中为65米，Coastal water中为44米。这里的通道建模包括衰减和噪声的影响。这项工作量化了使用自适应系统的好处，其中传输和调制方案的波长(蓝色，蓝绿和绿色)根据水传输而改变。研究发现，与固定波长系统相比，在不同的水域，根据不同的水透射率进行波长自适应，可以提供16到40dB的信噪比优势。在此基础上提出了波长自适应发射机的设计建议。本研究假设了目前商用组件的最新状态。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Estimation of maximum range for underwater optical communication using PIN and avalanche photodetectors

This paper presents an estimate of underwater optical communication (UWOC) range, using PIN and avalanche photodetectors (APDs). In this simulation-based study, the maximum range while transmitting high-quality video at 6Mbps speed is estimated as 520m in Pure Sea water, 65m in Clear Ocean and 44m in Coastal waters, when using a 100mW laser and APD. The channel here is modeled to include the effect of attenuation and noise. This work quantifies the benefits of using an adaptive system where the wavelength (blue, blue-green and green) of transmission and modulation scheme is changed based on water transmission. Wavelength adaptation according to varying water transmission was found to provide 16 to 40dB advantage in SNR, compared to a system with fixed wavelength, in different waters. A recommendation for wavelength adaptable transmitter design is made based on this. This study assumes the current state of the art in commercially available components.

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2019 International Conference on Advances in Computing and Communication Engineering (ICACCE)

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