On the Optimization Model for Multi-Hop Information Transmission and Energy Transfer in TDMA-Based Wireless Sensor Networks

被引：14

作者：

Xu, Weiqiang ^{[1
]}

Cheng, Weiwei ^{[1
]}

Zhang, Yushu ^{[1
]}

Shi, Qingjiang ^{[1
]}

Wang, Xiaodong ^{[2
]}

机构：

[1] Zhejiang Sci Tech Univ, Sch Informat Sci & Technol, Hangzhou 310018, Peoples R China

[2] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA

来源：

IEEE COMMUNICATIONS LETTERS | 2017年 / 21卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Wireless energy transfer; energy consumption; wireless sensor networks;

D O I：

10.1109/LCOMM.2017.2652443

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Wireless energy transfer (WET) has been considered a promising technique for prolonging the lifetime of wireless networks. In this letter, the joint optimization problem of multi-hop information transmission and energy transfer in TDMA-based multi-hop wireless sensor networks is modeled. Moreover, a more realistic energy consumption model is proposed, which takes the energy consumption of compression, communication, and wireless energy transfer into account. A nonlinear programming problem is formulated to achieve the maximal source rate utility. Finally, through the numerical results, the impact of system parameters on rate utility is investigated, and the role of WET in improving network performance is verified.

引用

页码：1095 / 1098

页数：4

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