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  • Iterative Receiver for DS-CDMA Systems in the Presence of Time-Varying Channels 

    Authors:Dogan, Hakan; Panayirci, Erdal; Cirpan, Hakan Ali; Cam, Gokhan
    Publisher and Date:(IEEE, 2008)
    In this paper we present an efficient iterative receiver structure of tractable complexity for joint multiuser detection and multichannel estimation (JDE) of direct-sequence code-division multiple-access systems operating in the presence of time-varying flat fading channel. The time-varying channel is assumed to be modeled according to a piece-wise constant channel. An optimality criterion is defined and analytical expressions for the corresponding optimized weight coefficients are given. Monte-Carlo ...