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Design of channel-estimate-dependent space-time block codes
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-7926-5081
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
2004 (English)In: IEEE Transactions on Communications, ISSN 0090-6778, E-ISSN 1558-0857, Vol. 52, no 7, 1191-1203 p.Article in journal (Refereed) Published
Abstract [en]

So far, the assumption of no channel knowledge at the transmitter has generally been inherent in the design of space-time codes. This paper, on the other hand, assumes that quantized channel information obtained from a feedback link is available at the transmitter and investigates how such channel information can be incorporated into the design of unstructured space-time block codes. Efficient codes are found by means of a gradient search over a continuous alphabet. Simulation results for an uncorrelated Rayleigh fading scenario using two and four transmit antennas and one receive antenna show the benefits of the code designs.

Place, publisher, year, edition, pages
IEEE Communications Society , 2004. Vol. 52, no 7, 1191-1203 p.
Keyword [en]
code design, feedback, modulation, multiple input multiple-output (MIMO), space-time codes, transmit diversity, wireless communication
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-41837DOI: 10.1109/TCOMM.2004.831356ISI: 000222761100023Scopus ID: 2-s2.0-3543148868OAI: oai:DiVA.org:kth-41837DiVA: diva2:453707
Note
QC 20111103 QC 20111214Available from: 2011-11-03 Created: 2011-10-03 Last updated: 2017-12-08Bibliographically approved

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Skoglund, MikaelOttersten, Björn

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