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Optimal Cluster Head Selection Method for Sectorized Wireless Powered Sensor Networks

섹터기반 무선전력 센서 네트워크를 위한 최적 클러스터 헤드 선택 방법

  • Choi, Hyun-Ho (School of ICT, Robotics & Mechanical Engineering, Hankyong National University)
  • Received : 2021.12.06
  • Accepted : 2022.01.04
  • Published : 2022.01.31

Abstract

In this paper, we consider a sectorized wireless powered sensor network (WPSN), wherein sensor nodes are clustered based on sectors and transmit data to the cluster head (CH) using energy harvested from a hybrid access point. We construct a system model for this sectorized WPSN and find optimal coordinates of CH that maximize the achievable transmission rate of sensing data. To obtain the optimal CH with low overhead, we perform an asymptotic geometric analysis (GA). Simulation results show that the proposed GA-based CH selection method is close to the optimal performance exhibited by exhaustive search with a low feedback overhead.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2019R1A2C4070466).

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