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Blind signal detection in multiuser CDMA system is particularly attractive when only the desired user signature is known to a given receiver. A problem common to several existing blind multiuser CDMA detectors is that the detection performance is very sensitive to the Signature Waveform Mismatch (SWM) which may be caused by channel distortion. In this paper we consider the design of a blind multiuser CDMA detector that is robust to the SWM. We present a convex formulation for this problem bydoi:10.1109/twc.2005.850330 fatcat:jzdb6qaaafbufl2sjfu6sdmn6y