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6 December 2002 Biorthogonal DSSS for infrared wireless communications on non-Lambert reflection channels
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Proceedings Volume 4873, Optical Wireless Communications V; (2002)
Event: ITCom 2002: The Convergence of Information Technologies and Communications, 2002, Boston, MA, United States
For optical wireless networking, it is desirable to employ nondirected links whose performance depends on the reflection characteristics of the indoor surfaces. The non-Lambert reflection pattern, Phong model, is considered in the calculation of the multipath impulse response function as well as Lambert reflection pattern. The bit error rate (BER) of the optical wireless direct-sequence spread spectrum (DSSS) system using biorthogonal Walsh codes is investigated on a non-Lambert reflection channel. Simulation results demonstrate that biorthogonal DSSS systems can combat multipath dispersion with small power penalties very well. And by comparison, we show how much the error of the performance prediction for the biorthogonal DSSS system will occur when using Lamertian approximation on the non-Lambert channel.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Haitao Zhang, Mali Gong, Ping Yan, Kai Zhang, Shanshan Zou, Xin Yang, Wei Jin, and Feng Jiang "Biorthogonal DSSS for infrared wireless communications on non-Lambert reflection channels", Proc. SPIE 4873, Optical Wireless Communications V, (6 December 2002); doi: 10.1117/12.455508;


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