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The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.
An adaptive minimum symbol error rate (MSER) linear multiuser detector (MUD) is proposed for direct sequence code division multiple access (DS-CDMA) systems employing multilevel pulseamplitude modulation (Å -PAM) scheme. Based on a kernel density estimation for approximating the symbol error rate (SER) from training data, a least mean squares (LMS) style stochastic gradient algorithm called the least SER (LSER) is developed for training linear MUDs. Computer simulation is used to investigate the performance of this LSER MUD.doi:10.1109/vetecs.2003.1208906 fatcat:eatf227ktfcbxdqqw2esalgvbi