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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KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-7926-5081
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774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: Proceedings of the 5th International Symposium on Wireless Personal Multimedia Communications (WPMC ’2002), 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
IEEE , 2002. 681-685 p.
Keyword [en]
Beamforming, feedback, quantization, space-time codes, Algorithm design and analysis, Block codes, Feedback, Quantization, Radio transmitters, Receiving antennas, Signal design, Space time codes, Transmitting antennas, Wireless communication
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-92528DOI: 10.1109/WPMC.2002.1088261OAI: oai:DiVA.org:kth-92528DiVA: diva2:513536
Conference
The 5th International Symposium on Wireless Personal Multimedia Communications, 2002.
Note
Best Paper Award NR 20140805Available from: 2012-04-02 Created: 2012-04-02 Last updated: 2012-04-02Bibliographically approved

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Skoglund, MikaelOttersten, Björn

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