Paper Info
Title
Energy efficiency optimization based joint relay selection and resource allocation for SWIPT relay networks
Abstract
In this paper, a joint relay selection and resource allocation scheme is proposed for simultaneous wireless information and power transfer (SWIPT) relay networks with multiple Source nodes (SNs) and Destination nodes (DNs) pairs and energy harvesting Relay nodes (RNs). The transmit power, subchannel, power splitting ratio allocation for SNs/RNs and the relay selection scheme strategy are jointly optimized to maximize the total energy efficiency of all the SNs and RNs. The optimization problem is transformed equivalently into two subproblems, i.e., transmit power and power splitting ratio optimization subproblem of one SN-RN-DN path and the optimal relay and subchannel allocation subproblem. By applying iterative algorithm and Lagrange dual method, the optimal relay selection and resource allocation strategy are obtained. Simulation results demonstrate the efficiency of the proposed scheme.
Year
DOI
Venue
2015
10.1109/CHINACOM.2015.7497991
2015 10th International Conference on Communications and Networking in China (ChinaCom)
Keywords
Field
DocType
SWIPT,energy efficiency,resource allocation,relay selection
Relay channel,Mathematical optimization,Transmitter power output,Wireless,Computer science,Efficient energy use,Computer network,Resource allocation,Maximum power transfer theorem,Optimization problem,Relay
Conference
Citations 
PageRank 
References 
0
0.34
3
Authors
4
Name
Order
Citations
PageRank
Na Zhao13716.03
Rong Chai201.69
Qin Hu33514.40
Jian-Kang Zhang468868.92