反向散射辅助的无线供能通信网络的节点间通信

doi:10.11959/j.issn.1000-0801.2021120

Telecommunications Science ›› 2021, Vol. 37 ›› Issue (6): 115-124.doi: 10.11959/j.issn.1000-0801.2021120

• Research and Development • Previous Articles Next Articles

Communication between nodes in backscatter-assisted wireless powered communication network

Jie TAO¹, Haijiang GE²^,³, Minyuan WU³, Qike SHAO³, Kaikai CHI³

¹ Zhejiang Institute of Mechanical ＆Electrical Engineering Co., Ltd., Hangzhou 310051, China
² Institute of Information Engineering, Hangzhou Vocational and Technical College, Hangzhou 310018, China
³ School of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China

Revised:2021-06-11 Online:2021-06-20 Published:2021-06-01
Supported by:
The National Natural Science Foundation of China(61872322);Zhejiang Provincial Natural Science Foundation of China for Distinguished Young Scholars(LR20F020003);Enterprise Experience Project of Hangzhou Vocational and Technical College (Research on Key Technology of Backscatter-Assisted Wireless Powered Communication Network)

Abstract

Abstract:

At present, there is almost no design on information transmission between the nodes in wireless powered communication network.The high-throughput information transmission between the nodes in backscatter assisted wireless powered communication network was studied.A scheme was proposed which consisted of backscattering/energy transmission phase and active communication phase.The maximum throughput was modeled as a convex optimization problem.Then, based on the relationship between the total backscatter communication duration and the threshold of node energy capture duration, the problem was decomposed into several sub problems that only need to optimize two backscatter durations.An efficient two-level golden section search algorithm was designed to solve the sub problems, and the optimal solution of the original problem was obtained from the optimal solutions of the sub problems.Simulation results show that, compared with pure active communication scheme and pure backscatter communication scheme, the proposed scheme can effectively improve the throughput.

Key words: wireless powered communication network, communication between nodes, backscatter communication, throughput maximization

CLC Number:

TP393

Jie TAO, Haijiang GE, Minyuan WU, Qike SHAO, Kaikai CHI. Communication between nodes in backscatter-assisted wireless powered communication network[J]. Telecommunications Science, 2021, 37(6): 115-124.

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References 15

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