Using hidden markov models to improve performance of space-time codes in MIMO flat fast-fading channels

Richard Demo Souza, Javier Garcia-Frias, Alexander M. Haimovich

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

We present a semi-blind iterative receiver for space-time coded modulation, which makes use of a hidden Markov model for the MIMO Rayleigh channel. We compare the performance of the proposed Markov receiver with that of an EM-based receiver for a set of different Doppler products. Simulation results show that the EM-based receiver is a better option for slow or moderate varying channels, while the Markov receiver outperforms the EM-based receiver for faster varying channels.

Original languageEnglish (US)
Pages (from-to)1305-1309
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume59
Issue number3
StatePublished - Dec 1 2004
Event2004 IEEE 59th Vehicular Technology Conference, VTC2004-Spring: Towards a Global Wireless World - Milan, Italy
Duration: May 17 2004May 19 2004

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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