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In this paper, we will show that for direct-sequence code-division multiple access (DS–CDMA) with binary phase-shift keying (BPSK) modulation transmitted over complex baseband channels the real part of the matched-filter (MF) output and not the MF output itself should be used as sufficient statistics for further processing. Based on this observation, we derive novel improved linear and decision–feedback...
This paper presents a low-complexity genetic algorithm (μ-GA) for multiuser detection. The probabilities of mutation and crossover of the algorithm are on-line tuned up based on the analysis of the individuals’ fitness entropy, constituting, this way, a brand new method to control and adjust the diversity of the population. This detector has an extremely low computational load and offers an interesting...
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