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Performance Evaluation of Transmission Technique Utilizing Linear Combination Diversity in MIMO Spatial Multiplexing Systems
Yutaka MURAKAMI Takashi MATSUOKA Kazuaki TAKAHASHI Masayuki ORIHASHI
IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
MIMO system, LC-diversity, NLOS/LOS environments, BER performance, diversity gain,
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In this paper, we evaluate BER (bit error rate) performance and diversity gain when employing a transmission technique utilizing LC (Linear Combination) diversity using 2 time slots with QPSK channels in 2 2 MIMO (Multiple-Input Multiple-Output) spatial multiplexing systems by comparing it with the upper and lower bound on BER. This evaluation shows that this transmission technique realizes high diversity gain and high transmission rate in LOS (line-of-sight) and NLOS (non line-of-sight) environments.