KSII Transactions on Internet and Information Systems (TIIS)

  • 제11권3호
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  • Pages.1357-1372
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  • 2017
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  • 1976-7277(pISSN)
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  • 1976-7277(eISSN)
한국인터넷정보학회 (Korean Society for Internet Information)
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Joint Resource Allocation Scheme for OFDM Wireless-Powered Cooperative Communication Networks

  • Liang, Guangjun (College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications) ;
  • Zhu, Qi (College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications) ;
  • Xin, Jianfang (College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications) ;
  • Pan, Ziyu (College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications)
  • 투고 : 2016.06.24
  • 심사 : 2017.01.25
  • 발행 : 2017.03.31
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초록

Energy harvesting techniques, particularly radio frequency energy harvesting (RF-EH) techniques, which are known to provide feasible solutions to enhance the performance of energy constrained wireless communication systems, have gained increasing attention. In this paper, we consider a wireless-powered cooperative communication network (WPCCN) for transferring energy in the downlink and forwarding signals in the uplink. The objective is to maximize the average transmission rate of the system, subject to the total network power constraint. We formulate such a problem as a form of wireless energy transmission based on resource allocation that searches for the joint subcarrier pairing and the time and power allocation, and this can be solved by using a dual approach. Simulation results show that the proposed joint optimal scheme can efficiently improve system performance with an increase in the number of subcarriers and relays.

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참고문헌

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