Reverse Link Performance of CDMA Systems with RAKE Receiver and Multiple Access Interference Cancellation

Reverse Link Performance of CDMA Systems with RAKE Receiver and Multiple Access Interference Cancellation

All the subscribers in CDMA systems share the common channel. The limitation factor on the system’s capacity is not the bandwidth, but multiuser interference and the near far problem. In this chapter, we model CDMA system from the perspective of mobile radio channels corrupted by additive white noise generated by multipath and multiple access interferences. The system’s receiver is assisted using different combining diversity techniques such as Decorrelating Detector (DD), Minimum Mean Squared Error (MMSE) and Parallel Interference Cancellation (PIC). Performance analysis of the system with these detection techniques is presented. The chapter demonstrates that combining diversity techniques in the system’s receivers markedly improve the performance of CDMA systems.

Author(s) Details

Ayodeji. J. Bamisaye
Department of Electrical and Electronic Engineering The Federal Polytechnic, Ado-Ekiti, Nigeria.

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