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Performance Modeling and Evaluation of IEEE 802.15.4 Collision Free Period for Batch Traffic

배치 트래픽 특성을 고려한 IEEE 802.15.4 비경합구간 성능 모델링 및 평가

  • 김태석 (배재대학교 경영학과) ;
  • 최덕현 (한국교통대학교 산업경영공학과)
  • Received : 2016.07.22
  • Accepted : 2016.08.17
  • Published : 2016.11.28

Abstract

In this paper, we performed the analysis of transmission performance for Collision Free Period(CFP) supported by the low-power communication technology, IEEE 802.15.4 MAC (Media Access Control). For the analysis, periodic traffic, original service target of CFP, is considered and, according to the Quality of Service required, packet arrival pattern to MAC layer is categorized as batch and non-batch, and analysis on throughput, delay, and energy is performed for those patterns. On the basis of the obtained analysis, performance comparison with Collision Avoidance Period(CAP) is carried out for the health care applications that generate periodic traffic such as Pedometer, ECG, EMG. The evaluation confirms that CFP is more energy efficient for healthcare applications that generate periodic and time-critical traffic and moreover for the application with high bandwidth requirement CFP achieves up to 46% energy savings compared to CAP.

Keywords

IEEE802.15.4;ZigBee;MAC;CFP

Acknowledgement

Supported by : 배재대학교

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