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A joint design of code and training sequence for frequency-selective block fading channels with partial CSI
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2011 (English)In: Wireless Communications and Signal Processing (WCSP), 2011 International Conference on, IEEE , 2011Conference paper (Refereed)
Abstract [en]

In this paper, we propose an iterative algorithm to jointly design codes and trainingsequences for frequency-selective block fading channels with partial channel state information (CSI) at the receiver. After showing that the maximum-likelihood (ML) decoding metric over channels with partial CSI can be well approximated by the joint maximum-likelihood (JML) decoding metric for combined channel estimation and data detection, we propose to use the JML criterion to search for good codes and training sequences in an iterative fashion. Simulations show that the code and training sequence found by our method can outperform a typical system using a channel code with a separately designedtraining sequence, in particular when codes of low rates are considered. 

Place, publisher, year, edition, pages
IEEE , 2011.
Keyword [en]
Fading channels, joint maximum-likelihood, partial channel state information, wireless communication
National Category
URN: urn:nbn:se:kth:diva-70130DOI: 10.1109/WCSP.2011.6096773ScopusID: 2-s2.0-84555191951ISBN: 978-1-4577-1009-4OAI: diva2:485922
Wireless Communications and Signal Processing (WCSP), 2011 International Conference on
QC 20120207Available from: 2012-01-30 Created: 2012-01-30 Last updated: 2012-02-07Bibliographically approved

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Skoglund, Mikael
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Communication TheoryACCESS Linnaeus Centre

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