Enhanced Alamouti decoding scheme for DVB-T2 systems in SFN channels

A. Omri, R. Hamila, A. Hazmi, R. Bouallegue, A. Al-Dweik

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

16 Scopus citations

Abstract

The standard Alamouti space-frequency block code (SFBC) suffers from performance degradation when used over highly frequency-selective channels because the channel frequency response is not necessarily flat over the Alamouti block. In this paper, we present an enhanced Alamouti space frequency block decoding scheme for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems over highly frequency selective channels. The enhanced Alamouti scheme uses the channel frequency variations in consecutive subcarriers to adapt the Alamouti decoder. Simulation results of DVB-T2 system confirm that the proposed method has substantial performance improvement in terms of bit error rate when compared to standard Alamouti decoder mainly over highly frequency-selective channels such as single frequency networks (SFN).

Original languageBritish English
Title of host publication2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11
Pages1626-1630
Number of pages5
DOIs
StatePublished - 2011
Event2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11 - Toronto, ON, Canada
Duration: 11 Sep 201114 Sep 2011

Publication series

NameIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

Conference

Conference2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11
Country/TerritoryCanada
CityToronto, ON
Period11/09/1114/09/11

Keywords

  • MIMO
  • OFDM
  • SFBC
  • SFN channels

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