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首页> 外文会议>Conference on Optical Transmission Systems and Equipment for WDM Networking, Jul 29-31, 2002, Boston, USA >High-Speed Optical Wireless Connectivity ― Design Challenges Performance Evaluation
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High-Speed Optical Wireless Connectivity ― Design Challenges Performance Evaluation

机译：高速光学无线连接―设计挑战和性能评估

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摘要

The paper proposes free-space optics (FSO) as one of the potential solutions for the design and development of next generation, high-capacity, high-speed wireless networks. The hybrid wireless architecture is introduced and the role of FSO in the proposed architecture is highlighted. The significance of the hybrid architecture in achieving ubiquitous, carrier-grade wireless connectivity is also explained. The paper presents various FSO network design challenges and potential solutions for real-time FSO link performance characterization as well as dynamic FSO link adaptability for enhanced performance during adverse operating conditions. Dynamic power control and dynamic data rate control schemes are evaluated for FSO link adaptability. Dynamic load switching (DLS) scheme for hybrid architecture functionality during extreme conditions is also evaluated. Finally, the paper describes an elaborate field test-bed based on hybrid architecture, and various dynamic FSO link adaptation techniques implemented in to the test-bed. The performance of these dynamic link adaptation schemes and DLS functionality is presented to quantify the improvement in overall hybrid architecture performance. The results, recorded from the experiments during extreme weather conditions, validate the hybrid architecture concept and conclusively prove the reliability of the architecture in achieving sustained high-speed connectivity.
机译：本文提出自由空间光学（FSO）作为下一代高容量，高速无线网络设计和开发的潜在解决方案之一。介绍了混合无线体系结构，并强调了FSO在所提出的体系结构中的作用。还说明了混合体系结构在实现普遍存在的电信级无线连接方面的重要性。本文提出了各种FSO网络设计挑战和实时FSO链路性能表征的潜在解决方案，以及动态FSO链路适应性，以在不利的工作条件下增强性能。针对FSO链路的适应性评估了动态功率控制和动态数据速率控制方案。还评估了在极端条件下用于混合架构功能的动态负载切换（DLS）方案。最后，本文描述了基于混合架构的精心设计的现场试验台，以及在试验台中实现的各种动态FSO链路自适应技术。提出了这些动态链路自适应方案和DLS功能的性能，以量化整体混合体系结构性能的提高。在极端天气条件下通过实验记录的结果验证了混合架构的概念，并最终证明了该架构在实现持续高速连接方面的可靠性。

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