Computer Science ›› 2018, Vol. 45 ›› Issue (11): 82-86.doi: 10.11896/j.issn.1002-137X.2018.11.011

• Network & Communication • Previous Articles     Next Articles

New Optimized Energy Harvesting Technology for Sensor Networks

WANG Yan-li1, YIN Guo-fu1, JIN Rong2   

  1. (School of Network Security and Informatization,Weinan Normal University,Weinan,Shaanxi 714000,China)1
    (School of Electronics and Information,Northwestern Polytechnical University,Xi’an 710129,China)2
  • Received:2018-03-16 Published:2019-02-25

Abstract: Aiming at the problems that the energy is strictly constrained and the energy among nodes is unbalanced in wireless sensor network,this paper constructed cooperative MIMO transmission model which transfers wireless information and power simultaneously.In order to solve the problem of how to obtain the optimal energy efficiency of system,this paper proposed a new effective resource allocation algorithm.Simulation analysis and prototypical experiment results show that the new algorithm can converge when the number of iterations reaches 12 and the energy efficiency quickly increases and keeps stable when the maximum transmission power allowance is 3dBm.Compared with SISO,the energy consumption of cooperative MIMO can save more than one energy level,meanwhile,the wireless information and power transfer technique can maximize network utility.

Key words: Cooperative multiple-input multiple-output, Energy consumption, Energy harvesting, Network utility, Wireless sensor network

CLC Number: 

  • TP393.01
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