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Utilizing partial channel information in the design of 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KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-7926-5081
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
2002 (English)In: 5TH INTERNATIONAL SYMPOSIUM ON WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS, VOLS 1-3, PROCEEDINGS, NEW YORK: IEEE , 2002, 681-685 p.Conference paper, Published paper (Refereed)
Abstract [en]

The assumption of no channel knowledge at the transmitter is inherent in the design of classical space-time codes for wireless communication. This work, on the other hand, assumes that non-perfect quantized channel information obtained from a feedback link is available at the transmitter and investigates how such channel knowledge can be incorporated into the design of space-time block codes. Efficient codes are found by means of a gradient search over a continuous alphabet. Simulation results for a Rayleigh fading scenario a system using two transmit antennas and one receive antenna show that significant gains are possible.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2002. 681-685 p.
Keyword [en]
beamforming, feedback, quantization, space-time codes
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:kth:diva-29037ISI: 000179449100135OAI: oai:DiVA.org:kth-29037DiVA: diva2:393377
Conference
5th International Symposium on Wireless Personal Multimedia Communications HONOLULU, HI, OCT 27-30, 2002
Note
QC 20110131Available from: 2011-01-31 Created: 2011-01-25 Last updated: 2011-12-15Bibliographically approved

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Skoglund, MikaelOttersten, Björn

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