Subcarrier Allocation and Precoder Design for Energy Efficient MIMO-OFDMA Downlink Systems

This paper studies the subcarrier allocation and precoder design problem for downlink multiple-input-multiple-output-orthogonal frequency-division multiple access systems. The criterion is to maximize the energy efficiency (EE) of the system. We adopt the time-sharing concept to allocate each subcar...

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Bibliographic Details
Published in:	IEEE transactions on communications Vol. 65; no. 1; pp. 136 - 146
Main Authors:	Zijian Wang, Vandendorpe, Luc
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.01.2017 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Base stations Concavity Criteria Downlink Economic models energy efficiency Frequency division multiple access MIMO MIMO (control systems) OFDMA Optimization Orthogonal Frequency Division Multiplexing Power demand Precoding resource allocation Resource management Subcarriers Switches Upper bound Upper bounds
ISSN:	0090-6778, 1558-0857
Online Access:	Get full text
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