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IEICE TRANSACTIONS on Fundamentals

Throughput Maximization in Backscatter Assisted Wireless Powered Communication Networks

Bin LYU, Zhen YANG, Guan GUI, Youhong FENG

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Summary :

This letter introduces a new model for backscatter assisted wireless powered communication networks (BAWPCNs) that include a hybrid access point (HAP) and multiple backscatter communication (BackCom) and traditional wireless powered communication network (WPCN) users. To make full use of time to transmit information, both backscatter and harvest-then-transmit (HTT) modes are employed. In the proposed model, during the first time slot dedicated for energy transfer in traditional WPCNs, the traditional WPCN users harvest energy radiated by the HAP, and simultaneously the BackCom users reflect modulated signals to the HAP. The traditional WPCN users are scheduled during the remaining time slots via time division multiple access (TMDA). The optimal time allocation policies for the half-duplex (HD) and full-duplex (FD) BAWPCNs are obtained to maximize the system throughput. The tradeoff between backscatter and HTT modes is analyzed. Simulation results demonstrate the superiority of the proposed model.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.6 pp.1353-1357
Publication Date
2017/06/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.1353
Type of Manuscript
LETTER
Category
Mobile Information Network and Personal Communications

Authors

Bin LYU
  Nanjing University of Posts and Telecommunications
Zhen YANG
  Nanjing University of Posts and Telecommunications
Guan GUI
  Nanjing University of Posts and Telecommunications
Youhong FENG
  Nanjing University of Posts and Telecommunications

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