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Space-time code design for unknown frequency-selective channels
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-7926-5081
2002 (English)In: 2002 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, 2002, 2413-2416 p.Conference paper (Refereed)
Abstract [en]

The design of space-time codes has so far mostly focused on one-tap channel models while in this paper code design for multi-tap (frequency-selective) channels is discussed when joint channel estimation and data detection is used at the receiver. A transmission model using multiple transmitter and receiver antennas for multi-path propagation through unknown channels is presented and shown to be closely linked to a single-antenna model which has been investigated earlier. Using a randomized search strategy, codes of arbitrary rates for combined channel estimation and error protection over these channels can be designed. Simulations demonstrate the performance of codes designed with the proposed scheme. An example code outperforms an approach based on an extension of the Alamouti scheme.

Place, publisher, year, edition, pages
2002. 2413-2416 p.
, International Conference on Acoustics Speech and Signal Processing (ICASSP), ISSN 1520-6149
National Category
URN: urn:nbn:se:kth:diva-29036ISI: 000177510400604OAI: diva2:393381
IEEE International Conference on Acoustics, Speech, and Signal Processing ORLANDO, FL, MAY 13-17, 2002
QC 20110131 QC 20111215Available from: 2011-01-31 Created: 2011-01-25 Last updated: 2011-12-15Bibliographically approved

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