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1 Chen H, "Wireless-powered cooperative communications via a hybrid relay[C]" IEEE 666-670, 2014
2 Lu X, "Wireless Networks With RF Energy Harvesting: A Contemporary Survey[J]" 17 (17): 757-789, 2014
3 Zhou X, "Wireless Information and Power Transfer in Multiuser OFDM Systems[J]" 13 (13): 2282-2294, 2014
4 Boyd S P, "Vandenberghe L. Convex optimization[M]" Cambridge University Press 2004
5 Nguyen D K, "Two-Way Cognitive DF Relaying in WSNs with Practical RF Energy Harvesting Node[J]" 99 (99): 675-684, 2016
6 Ju H, "Throughput maximization in wireless powered communication networks[J]" 13 (13): 418-428, 2014
7 Khun H., "The Hungarian method for the assignment problems[M]" 2 : 83-97, 1995
8 Dang W, "Subcarrier-pair based resource allocation for cooperative multi-relay OFDM systems[J]" 9 (9): 1640-1649, 2010
9 Xiang Z, "Robust beamforming for wireless information and power transmission[J]" 1 (1): 372-375, 2012
10 Wu Q, "Resource Allocation for Joint Transmitter and Receiver Energy Efficiency Maximization in Downlink OFDMA Systems[J]" 63 (63): 416-430, 2014
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