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Convolutionally Coded Adaptive Space -Time MMSE Receiver For W-CDMA Systems In Multipath Channels

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Author(s): Trivedi Aditya | Mehra D K

Journal: IETE Journal of Research
ISSN 0377-2063

Volume: 53;
Issue: 2;
Start page: 137;
Date: 2007;
Original page

ABSTRACT
In This paper, we consider the use of convolutionally coded adaptive space-time minimum meant-square error (MMSE) receiver for wideband code division multiple access (W-CDMA) systems in multi path channels. In the adaptive space-time MMSE receiver, antenna array processing is combined with MMSE multi-user detection (MUD). Simulations are carried out to evaluate the performance in the directional multi path quasi-static Rayleigh fading channels. Simulation results show that substantial performance improvement may be obtained by using convolution codes jointly with the adaptive space-time MMSE receiver. Only requirement to implement the receiver is training sequence and a priori knowledge of the users’ timing for only the strongest path.
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