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Adaptive Transmission & Receiving Technology Considering Spatial Channel Correlation in Multiple Antenna Systems  

Park Sung-Ho (인하대학교 정보통신대학원 이동통신연구실)
Kim Kyoo-Hyun (인하대학교 정보통신대학원 이동통신연구실)
Chang Kyung-Hi (인하대학교 정보통신대학원 이동통신연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.31, no.9A, 2006 , pp. 844-855 More about this Journal
Abstract
The communication system using multiple antennas improves link reliability or system capacity using tx & rx diversity, spatial multiplexing, and beamforming technique with services and characteristics of channel environment. This system is sensitive to spatial channel environment. In case of diversity, the lower correlation among links as a LoS environment, the better performance is acquired. In practical channel environment, However, there is high correlation, and there is high performance difference between ideal case and practical case. On the contrary, in case of beamforming, the higher correlation among links, the better performance is acquired. If we use the spatial adaptive transmission technique with spatial channel characteristics, we can get the system that maintains minimum link reliability and guarantees the overall system performance. In this paper, we propose the adaptive transmission and reception technique which use diversity or beamforming technique with channel characteristics.
Keywords
MIMO; Spatial Channel Correlation; Diversity Beamforming; Adaptive Transmission;
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