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适应性光束分歧控制,以减轻垂直FSO传输中指向错误引起的闪光效应

Hye-Min Park¹, Young-Jin Hyun¹, Sang-Kook Han¹

¹Department of Electrical and Electronic Engineering, Yonsei University, Seoul 03722, Republic of Korea.

Sensors (Basel, Switzerland)

|June 10, 2023

概括

自由空间光通信面临着对齐和大气流的挑战. 这项研究引入了一种适应性光束分歧技术,以最大限度地减少垂直链路中的信号闪,提高性能.

科学领域:

光学通信系统光学通信系统
无线通信技术无线通信技术
大气光学是大气光学.

背景情况:

自由空间光学 (FSO) 通信对于下一代网络至关重要.
保持收发器对齐和减轻大气流是FSO系统的关键挑战.
垂直的FSO链路特别容易受到由于大气流引起的闪光损失.

研究的目的:

分析FSO系统中指点误差和闪之间的关系.
提出一种适应性光束分歧技术,以减轻闪.
为了提高垂直FSO链路的信号噪声比 (SNR).

主要方法:

分析指向误差和关于光束分歧角度的闪光.
开发和模拟适应性光束,以指向错误为基础优化分歧角度.
拟议的自适应光束技术与自适应光束宽度方法的比较.

主要成果:

拟议的自适应光束技术有效地减轻了因指向错误引起的闪光效应.
模拟显示使用自适应光束方法提高了信号噪声比 (SNR).
适应性光束优化成功地将模拟的垂直FSO链路中的闪降到最低.

结论:

适应性光束技术提供了一个可行的解决方案,以最大限度地减少垂直FSO链路中的闪.
优化光束分歧角度对于稳健的FSO通信至关重要.
这种方法提高了FSO通信系统的可靠性和性能.

关键词:

适应性光束宽度适应性光束宽度大气流是大气中的流.自由空间的光通信.自由空间光学垂直链接

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