Hybrid -QAM with Adaptive Modulation and Selection Combining in MIMO Systems

Sang-Do Lee; Young-Chai Ko

Communications Infrastructure. Systems and Applications in Europe. First International ICST Conference, EuropeComm 2009, London, UK, August 11-13, 2009, Revised Selected Papers

Research Article

Hybrid -QAM with Adaptive Modulation and Selection Combining in MIMO Systems

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@INPROCEEDINGS{10.1007/978-3-642-11284-3_10,
    author={Sang-Do Lee and Young-Chai Ko},
    title={Hybrid -QAM with Adaptive Modulation and Selection Combining in MIMO Systems},
    proceedings={Communications Infrastructure. Systems and Applications in Europe. First International ICST Conference, EuropeComm 2009, London, UK, August 11-13, 2009, Revised Selected Papers},
    proceedings_a={EUROPECOMM},
    year={2012},
    month={5},
    keywords={Adaptive Modulation Variable Rate Variable Power Selection Combining MIMO},
    doi={10.1007/978-3-642-11284-3_10}
}

Sang-Do Lee
Young-Chai Ko
Year: 2012
Hybrid -QAM with Adaptive Modulation and Selection Combining in MIMO Systems
EUROPECOMM
Springer
DOI: 10.1007/978-3-642-11284-3_10

Sang-Do Lee¹^,*, Young-Chai Ko²^,*

1: Samsung Electronics
2: Korea University

*Contact email: sardor.leed@samsung.com, koyc@korea.ac.kr

Abstract

In this paper, we propose a hybrid -ary Quadrature Amplitude Modulation (-QAM) transmission scheme that jointly uses adaptive modulation and selection combining for singular value decomposition (SVD)-based multiple-input multiple-output (MIMO) systems (AMSC-MIMO). We derive exact closed-form expressions of the performance of the proposed scheme in terms of the average spectral efficiency and the outage probability. Numerical results show that the proposed hybrid -QAM scheme offers higher spectral efficiency and lower outage probability than the conventional adaptive modulation in MIMO systems.

Keywords: Adaptive Modulation Variable Rate Variable Power Selection Combining MIMO

Published: 2012-05-25

: http://dx.doi.org/10.1007/978-3-642-11284-3_10