Optical Wireless Communications

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IntroductionOptical Wireless Communication Systems

We are seeing a growing demand for bandwidth in mobile communication, as the number of users is increasing significantly. The next-generation wireless communication systems therefore should be able to offer higher capacity to support various broadband wireless services such as the high-definition TV (HDTV—4–20 Mbps), computer network applications (up to 100 Mbps), mobile videophones, video confer-encing, high-speed Internet access, and so on. In access networks, the technologies currently in use include the copper and coaxial cables, wireless Internet access, broadband radio frequency (RF)/microwave and optical fibre. These technologies, in particular copper/coaxial cables and RF based, have ...