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Combining Short-Term and Long-Term Channel State Information Over Correlated Mimo Channels
School of Electrical Engineering, Royal Institute of Technology, Sweden.
School of Electrical Engineering, Royal Institute of Technology, Sweden.
School of Electrical Engineering, Royal Institute of Technology, Sweden.ORCID iD: 0000-0002-7599-4367
School of Electrical Engineering, Royal Institute of Technology, Sweden.
2006 (English)In: Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), May 2006, 2006, IV-13-IV-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. IV-13-IV-16 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-77241DOI: 10.1109/ICASSP.2006.1660893ISBN: 1-4244-0469-X (print)OAI: oai:DiVA.org:liu-77241DiVA: diva2:525728
Conference
2006 IEEE International Conference on Acoustics, Speech, and Signal Processing, May 14-19, Toulouse, France
Available from: 2012-05-09 Created: 2012-05-09 Last updated: 2016-08-31Bibliographically approved

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Larsson, Erik G.

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  • nn-NB
  • sv-SE
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Output format
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