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An Iterative Receiver for Uplink of Coded MIMO DS-CDMA System Employing Layered Space-Time Transmission

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Abstract

We consider a coded multiple-input multiple-output (MIMO) DS-CDMA system using layered space-time transmission in multipath wireless channels, where space-time signals from multiple antennas of multiple users propagate through rich scattering multipath fading. We propose a receiver employing iterative joint detection and decoding with a reduced-complexity detector using linear minimum mean squared error filtering with a priori information and parallel soft-input soft-output (SISO) decoders. Computer simulation results show that the proposed receiver for multi-user MIMO transmission provides high-spectral efficiency and performance approaching to single-user bound. Furthermore, the reduced-complexity receiver outperforms an iterative soft decision-directed maximal ratio combining (DD-MRC) receiver, RAKE receiver as well as a conventional non-iterative receiver.

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Authors and Affiliations

  1. Center for Information and Communications Technology Research (CICTR), Department of Electrical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA

    Jun H. Jeong & Mohsen Kavehrad

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  1. Jun H. Jeong
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  2. Mohsen Kavehrad
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FIEEE

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Correspondence to Mohsen Kavehrad.

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Jeong, J.H., Kavehrad, M. & FIEEE. An Iterative Receiver for Uplink of Coded MIMO DS-CDMA System Employing Layered Space-Time Transmission. Int J Wireless Inf Networks 13, 207–220 (2006). https://doi.org/10.1007/s10776-005-0022-x

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  • DOI: https://doi.org/10.1007/s10776-005-0022-x

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