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2021 | OriginalPaper | Chapter

Energy Efficiency Optimization for RF Energy Harvesting Relay System

Authors : Guangjun Liang, Jianfang Xin, Qun Wang, Lingling Xia, Meng Li

Published in: Broadband Communications, Networks, and Systems

Publisher: Springer International Publishing

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Abstract

This paper conducts research on the RF energy harvesting relay network, and proposes an improved energy harvesting relay protocol, which allows the energy harvesting source node to retransmit data to improve the system diversity gain, and constructs energy harvesting slot allocation, subcarrier pairing, and power Optimized model of distributed system energy efficiency. A resource allocation algorithm based on optimal energy efficiency is further proposed. The Dinkelbach method is used to transform the nonlinear programming problem into a linear programming problem. Then, the Hungarian algorithm and the sub-gradient method are used to obtain the iterative algorithm based on energy efficiency optimization. Simulation shows that the algorithm reduces the complexity of the algorithm and has good global convergence.

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Metadata
Title
Energy Efficiency Optimization for RF Energy Harvesting Relay System
Authors
Guangjun Liang
Jianfang Xin
Qun Wang
Lingling Xia
Meng Li
Copyright Year
2021
Book
Broadband Communications, Networks, and Systems

Print ISBN: 978-3-030-68736-6

Electronic ISBN: 978-3-030-68737-3

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-68737-3_4

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