Joint Adaptive M-QAM and Selection Combining in SVD-Based MIMO Systems

Sang-Do LEE  Young-Chai KO  Jeong-Jae WON  Taehyun JEON  

IEICE TRANSACTIONS on Communications   Vol.E92-B    No.12    pp.3950-3952
Publication Date: 2009/12/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.3950
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
MIMO,  MQAM,  variable rate variable power,  selection combining,  

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In this paper, we propose a hybrid M-ary Quadrature Amplitude Modulation (M-QAM) transmission scheme that jointly uses discrete-rate adaptation and selection combining for singular value decomposition (SVD)-based multiple-input multiple-output (MIMO) systems, and derive exact closed-form expressions of the performance of the proposed scheme in terms of the average spectral efficiency and the outage probability.