Abstract
A kind of uplink power control approach of asynchronous code division multiple access (CDMA) mobile communication system based on the adaptive chaotic simulated annealing (CSA) is proposed. The particular influence of near-far effect can be solved by using the global optimal searching function of CSA method, and the multiple access interference (MAI) problem can be overcome by introducing adaptive MAI cancellation network in corresponding close loop control strategy. Computer simulations show the comparison results between proposed approach and conventional method with heterogeneous signal-to-interference ratio (SIR) threshold decision. It shows that this new approach can achieve higher channel capability and lower average outrage probability with some small increase of iteration steps, which can improve the performance of CDMA mobile communication system effectively.
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