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Adaptive GTS Allocation Scheme with Applications for Real-time Wireless Body Area Sensor Networks
  • KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Adaptive GTS Allocation Scheme with Applications for Real-time Wireless Body Area Sensor Networks

Vol. 9, No. 5, May 30, 2015
10.3837/tiis.2015.05.010, Download Paper (Free):

Abstract

The IEEE 802.15.4 standard not only provides a maximum of seven guaranteed time slots (GTSs) for allocation within a superframe to support time-critical traffic, but also achieves ultralow complexity, cost, and power in low-rate and short-distance wireless personal area networks (WPANs). Real-time wireless body area sensor networks (WBASNs), as a special purpose WPAN, can perfectly use the IEEE 802. 15. 4 standard for its wireless connection. In this paper, we propose an adaptive GTS allocation scheme for real-time WBASN data transmissions with different priorities in consideration of low latency, fairness, and bandwidth utilization. The proposed GTS allocation scheme combines a weight-based priority assignment algorithm with an innovative starvation avoidance scheme. Simulation results show that the proposed method significantly outperforms the existing GTS implementation for the traditional IEEE 802.15.4 in terms of average delay, contention free period bandwidth utilization, and fairness.


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Cite this article

[IEEE Style]
X. Zhang, Y. Jin and K. S. Kwak, "Adaptive GTS Allocation Scheme with Applications for Real-time Wireless Body Area Sensor Networks," KSII Transactions on Internet and Information Systems, vol. 9, no. 5, pp. 1733-1751, 2015. DOI: 10.3837/tiis.2015.05.010.

[ACM Style]
Xiaoli Zhang, Yongnu Jin, and Kyung Sup Kwak. 2015. Adaptive GTS Allocation Scheme with Applications for Real-time Wireless Body Area Sensor Networks. KSII Transactions on Internet and Information Systems, 9, 5, (2015), 1733-1751. DOI: 10.3837/tiis.2015.05.010.