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Mitigating Hidden Nodes Collision and Performance Enhancement in IEEE 802.15.4 Wireless Sensor Networks

IEEE 802.15.4 기반의 무선 센서네트워크에서 숨은노드 충돌 방지와 성능향상 기법

  • 안광훈 (충북대학교 정보통신공학과) ;
  • 김태준 (충북대학교 정보통신공학부)
  • Received : 2015.02.25
  • Accepted : 2015.05.07
  • Published : 2015.07.31

Abstract

IEEE 802.15.4 is the well-established standard enabling wireless connectivities among wireless sensor nodes. However, the wireless sensor networks based on IEEE 802.15.4 are inherently vulnerable to hidden nodes collision because the wireless sensor nodes have very limited communication range and battery life time. In this paper, we propose the advanced method of mitigating hidden nodes collision in IEEE 802.15.4 base wireless sensor networks by clustering sensor nodes according to channel quality information. Moreover, we deal with the problem of resource allocation for each cluster.

Acknowledgement

Supported by : 한국에너지기술평가원(KETEP)

References

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