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Performance Analysis of Dual-layer Beamforming Technique for MIMO-OFDM System  

Li, Xun (Division of Information & Communication Engineering, Chungbuk National Univ.)
Kim, Young-Ju (Division of Information & Communication Engineering, Chungbuk National Univ.)
Park, Noe-Yoon (Division of Information & Communication Engineering, Chungbuk National Univ.)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.47, no.5, 2010 , pp. 18-24 More about this Journal
Abstract
This paper propose a dual-layer beam-forming technique for MIMO-OFDM systems. Dual-layer beam-forming is a capacity enhancing technique to transmit two streams of source data with more than two transmit and receive antennas. Beamforming is a technique to enhance the link-level performances gain using antenna array with the small inter element distance. The proposed scheme can obtain both high capacity of spatial multiplexing and antenna array gain of beamforming for MIMO-OFDM systems. Therefore, it provides better BER performance than the traditional spatial multiplexing and beamforming techniques under the same simulation environment.
Keywords
MIMO-OFDM; Spatial muliplexing; Beamforming; Direction-of-arrival;
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