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Combining short-term and long-term channel state information over correlated MIMO channels
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-3599-5584
KTH, School of Electrical Engineering (EES), Communication Theory.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2006 (English)In: 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2006, 13-16 p.Conference paper, Published paper (Refereed)
Abstract [en]

A simple structure to exploit both long-term and partial short-term channel state information at the transmitter (CSIT) over a family of correlated multiple-antenna channels is proposed. Partial short-term CSIT in the form of a weighting matrix is obtained via a resolution-constrained feedback link, combined with a unitary transformation based on the long-term channel statistics. The feedback link is optimized to maximize the expected achievable rate under different power constraints, using vector quantization techniques. Simulations indicate the benefits of the proposed scheme in all scenarios considered.

Place, publisher, year, edition, pages
2006. 13-16 p.
Series
International Conference on Acoustics Speech and Signal Processing (ICASSP), ISSN 1520-6149
Keyword [en]
lock-fading channels, side information, capacity, feedback, space, time, systems, link
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-28984DOI: 10.1109/ICASSP.2006.1660893ISI: 000245062900004Scopus ID: 2-s2.0-33947697648OAI: oai:DiVA.org:kth-28984DiVA: diva2:395679
Conference
31st IEEE International Conference on Acoustics, Speech and Signal Processing Toulouse, FRANCE, MAY 14-19, 2006
Note
QC 20110207Available from: 2011-02-07 Created: 2011-01-25 Last updated: 2012-03-14Bibliographically approved

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Bengtsson, MatsSkoglund, Mikael

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  • apa
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  • de-DE
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Output format
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