Abstract
This letter introduces a new multiuser detection algorithm based on (1+lambda) evolution strategy for asynchronous DS-CDMA systems. By setting the offspring population size and the mutation probability appropriately, the new algorithm can approach the minimum probability of error with great computation efficiency. Simulation results show that the proposed algorithm converges very rapidly and provides good BER performance for cases where other suboptimum algorithms perform poorly. The average computation time is polynomial complexity in the number of users
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