NDLI: Optimal Recursive Power Allocation for Energy Harvesting System With Multiple Antennas

Content Provider	IEEE Xplore Digital Library
Author	He, P. Lian Zhao Sheng Zhou Zhisheng Niu
Copyright Year	1967
Abstract	In this paper, we investigate the optimal recursive power-allocation policies with energy harvesting wireless nodes equipped with multiple antennas in a fading channel. This optimization problem includes several complex matrices as optimization variables. As a difference, existing optimization theory and methods have been designed to solve these problems over real space. Naturally, the optimization variables have been assumed points in the real space. We proposed a transform approach and designed the algorithms for solving the throughput maximization problem and transmission completion time minimization problem for a multiple-input-multiple-output (MIMO) system. The algorithms were further extended to solve the throughput maximization problem of a hybrid system with both harvesting energy and grid power. Numerical results illustrated the algorithm steps and significant efficiency of the proposed algorithms. To the best of the authors' knowledge, there are no existing algorithms reported in the open literature to obtain exact solutions to the proposed problems. Significant features of the proposed algorithms are that 1) they provide the exact optimal solutions via efficient finite computation and that 2) optimality of the proposed algorithms is strictly proven.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	4525
Ending Page	4536
Page Count	12
File Size	1002619
File Format	PDF
ISSN	00189545
Volume Number	64
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Energy harvesting Antennas Fading Optimization Minimization Indexes radio resource management (RRM) exact solution geometric water-filling (GWF) low-degree polynomial complexity multiple-input–multiple-output (MIMO) optimization in complex matrices power grid
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

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