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Asymptotic Performance of MIMO-MC-CDMA Systems in Multi-cell Environments  

Kim, Kyeong-Yeon (School of Electrical & Electronic Engineering, Yonsei University)
Ham, Jae-Sang (School of Electrical & Electronic Engineering, Yonsei University)
Lee, Chung-Yong (School of Electrical & Electronic Engineering, Yonsei University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.44, no.7, 2007 , pp. 47-52 More about this Journal
Abstract
This paper analyzes the output signal-to-interference-plus-noise ratio (SINR) for a multiple-input-multiple-output (MIMO) multicarrier code division multiple access (MC-CDMA) system with minium mean square error receivers in multi-cell environments. A previous work in single cell environments is extended into analysis in multi-cell environments. The use of Haar unitary code matrix for asymptotic analysis causes other cell interferences expressed with a diagonal matrix haying different diagonal values. This paper shows that other cell interferences converge to an identity matrix whose gain is expressed by only other cell interference power in mean square sense and finds asymptotic deterministic SINRs for a given other cell interference. Under the assumption that the sum of lognormal fading components is distributed by other lognormal function, we show the comparison between theoretical performances and simulations from the view point of bit error rate and present average throughput performance according to the cell radius.
Keywords
다중 셀;다중 안테나;다중 채널 코드 구분 다중 접속(MC-CDMA);MMSE 수신기;랜덤 행렬 이론;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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