Performance Evaluation of Digital Modulation Techniques for WCDMA Radio Over Fiber using BER & Fiber Length

In this paper, we will present concepts that are vital for the demonstration of the vertically integrated Radio over fiber networks. The goal for the Third Generation (3G) of mobile communications system is to seamlessly integrate a wide variety of communication services. One of the most promising approaches to 3G is to combine a Wideband Code Division Multiple Access (WCDMA) air interface with Radio over fiber. In this paper we investigate the Bit Error Rate (BER) of radio over fiber technology. The evaluation of the performance of WCDMA RoF is linked to the fiber length to a great extent. In this paper the relation of fiber length with BER is discussed.

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