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Transmit Beamforming with Reduced Feedback Information in OFDM Based Wireless Systems

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Authors
Yang, Seoung-Hyeon; Ko, Jae-Yun; Lee, Yong-Hwan
Issue Date
2008-05-11
Publisher
Institute of Electrical and Electronics Engineers
Citation
VTC Spring 2008. IEEE Vehicular Technology Conference, 2008, pp. 983-987
Keywords
BeamformingFeedback
Abstract
This paper considers a transmit beamforming scheme that works with reduced feedback information in OFDM based multiple-input single-output (MISO) wireless systems. The proposed scheme generates the beamforming weight using information on the previous beamforming weights and channel correlation, significantly reducing the amount of feedback signaling burden. The feedback signaling overhead can further be reduced with the use of clustering and interpolation techniques. Simulation results show that the proposed scheme outperforms conventional beamforming techniques, while using the same amount of feedback signaling overhead.
Language
English
URI
http://www.ieeevtc.org/vtc2008spring

http://hdl.handle.net/10371/7267
DOI
https://doi.org/10.1109/VETECS.2008.211
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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