An iterative receiver for uplink of coded MIMO DS-CDMA system employing layered space-time transmission

Jun H. Jeong, Mohsen Kavehrad

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish (US)
Pages (from-to)207-220
Number of pages14
JournalInternational Journal of Wireless Information Networks
Volume13
Issue number3
DOIs
StatePublished - Jul 2006

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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