Reliability-Constrained Throughput Optimization of Industrial Wireless Sensor Networks With Energy Harvesting Relay

被引：135
作者：
Ma, Kai [1 ,2 ]
Li, Zhixue [1 ,2 ]
Liu, Pei [3 ]
Yang, Jie [1 ,2 ]
Geng, Yafei [3 ]
Yang, Bo [4 ,5 ]
Guan, Xinping [4 ,5 ]
机构：
[1] Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Hebei, Peoples R China
[2] Yanshan Univ, Key Lab Ind Comp Control Engn Hebei Prov, Qinhuangdao 066004, Hebei, Peoples R China
[3] Yanshan Univ, Engn Res Ctr, Minist Educ Intelligent Control Syst & Intelligen, Qinhuangdao 066004, Hebei, Peoples R China
[4] Shanghai Jiao Tong Univ, Dept Automat, Shanghai 200240, Peoples R China
[5] Shanghai Jiao Tong Univ, Key Lab Syst Control & Informat Proc, Minist Educ China, Shanghai 200240, Peoples R China
来源：
IEEE INTERNET OF THINGS JOURNAL | 2021年 / 8卷 / 17期
基金：
中国国家自然科学基金;
关键词：
Relays; Energy harvesting; Production; Wireless sensor networks; Throughput; Radio frequency; Resource management; Industrial wireless sensor networks (IWSNs); multiproduction monitoring area; power allocation; radio-frequency (RF) energy harvesting (EH); successive convex approximation (SCA); POWER-CONTROL; ALLOCATION; COMMUNICATION; CHALLENGES; DIVERSITY; RESOURCE; INTERNET; SYSTEM;
D O I：
10.1109/JIOT.2021.3065966
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In industrial wireless sensor networks (IWSNs), a lot of energy is wasted in the form of electromagnetic radiations. It can be effectively utilized with energy harvesting (EH), which absorbs part of the energy in the transmission signal but reduces the throughput and reliability of IWSNs. In this article, we study the throughput optimization of IWSNs with EH from the interference radio-frequency (RF) signal considering the reliability constraint of the industrial information transmission. Under the premise of limited energy supply of EH relays, the throughput maximization of IWSNs is formulated as a nonconvex optimization problem. In order to transform the nonconvex problem to a convex optimization problem, the successive convex approximation (SCA) approach is adopted. Furthermore, a power allocation algorithm is designed to maximize the total transmission rate of the network. Simulation results demonstrate that the proposed algorithm can maximize the throughput under the primise of SINR reliability.
引用
收藏
页码：13343 / 13354
页数：12
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