University of Hertfordshire

Pilot-aided channel estimation and performance of ASTC-MIMO-OFDM system in a correlated Rayleigh frequency-selective channel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Y. Sun
  • F. Delestre
  • A. Bannour
  • M.L. Ammari
  • R. Bouallegue
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Original languageEnglish
Title of host publication2011 Wireless Advanced, WiAd 2011
Place of PublicationLondon
Number of pages6
ISBN (Print)978-1-4577-0110-8
Publication statusPublished - 1 Jan 2011
EventWireless Advanced (WiAd), 2011 - London, United Kingdom
Duration: 20 Jun 201122 Jun 2011


ConferenceWireless Advanced (WiAd), 2011
CountryUnited Kingdom


Algebraic Space-Time Codes (ASTC) for MIMO systems are based on quaternion algebras. Thanks to their algebraic construction, the ASTC codes are full-rank, full-rate and have the non-vanishing determinant property. These codes have been proposed for MIMO flat fading channels in order to increase the spectral efficiency and to maximize the coding gain. The purpose of this work is to analyze the performance of the ASTC in a frequency selective Rayleigh channel. To deal with the frequency selectivity, we use the OFDM modulation. Methods for channel estimation using pilot symbol have been proposed. BER performances of ASTC-MIMO-OFDM system, under several propagation conditions, have been evaluated.


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