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A joint design of code and training sequence for frequency-selective block fading channels with partial CSI
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0002-7926-5081
2011 (engelsk)Inngår i: Wireless Communications and Signal Processing (WCSP), 2011 International Conference on, IEEE , 2011Konferansepaper, Publicerat paper (Fagfellevurdert)
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. 

sted, utgiver, år, opplag, sider
IEEE , 2011.
Emneord [en]
Fading channels, joint maximum-likelihood, partial channel state information, wireless communication
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-70130DOI: 10.1109/WCSP.2011.6096773Scopus ID: 2-s2.0-84555191951ISBN: 978-1-4577-1009-4 (tryckt)OAI: oai:DiVA.org:kth-70130DiVA, id: diva2:485922
Konferanse
Wireless Communications and Signal Processing (WCSP), 2011 International Conference on
Merknad
QC 20120207Tilgjengelig fra: 2012-01-30 Laget: 2012-01-30 Sist oppdatert: 2012-02-07bibliografisk kontrollert

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Totalt: 49 treff
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