Multiple spot diffusing geometries for indoor optical wireless communication systems

被引：9

作者：

Al-Ghamdi, AG ^{[1
]}

Elmirghani, JMH ^{[1
]}

机构：

[1] Univ Coll Swansea, Sch Engn, Swansea SA2 8PP, W Glam, Wales

来源：

INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS | 2003年 / 16卷 / 10期

关键词：

optical wireless; spot diffusing; optical communication;

D O I：

10.1002/dac.627

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In order to improve the performance of indoor optical wireless communication links, two multispot diffusing geometries based on diamond and line strip spot distribution geometries are proposed, analysed and compared to the known uniform spot distribution. Such geometries combine the advantages of the diffuse and the line-of-sight systems, giving great robustness and ease of use. The novel line strip multibeam transmitter geometry has resulted in a receiver signal-to-noise ratio (SNR) improvement of about 4 dB compared to the conventional diffuse system as well as a significant reduction in the pulse spread. Simulation and comparison results for both the conventional diffuse system and the three multispot diffusing geometries are presented. Further, pulse responses, SNR, and delay spread results at various locations are presented. Copyright (C) 2003 John Wiley Sons, Ltd.

引用

页码：909 / 922

页数：14

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