ART-GAS: An Adaptive and Real-Time GTS Allocation Scheme for IEEE 802.15.4

Details ART-GAS: An Adaptive and Real-Time GTS Allocation Scheme for IEEE 802.15.4 ART-GAS: An Adaptive and Real-Time GTS Allocation Scheme for IEEE 802.15.4

2011-12-31

arxiv.org/abs/1201.0215v1

Computer Science

Networking and Internet Architecture

The Asian Internet Engineering Conference (AINTEC 2011), ACM, November 2011, Bangkok, Thailand

Scientific paper

IEEE 802.15.4 supports a Guaranteed Time Slot (GTS) allocation mechanism for time-critical and delay-sensitive data transmissions in Wireless Personal Area Networks (WPANs). However, the inflexible first-come-first-served GTS allocation policy and the passive deallocation mechanism significantly reduce network efficiency. In this paper, we propose an Adaptive and Real-Time GTS Allocation Scheme (ART-GAS) to provide differentiated services for devices with different priorities, which guarantees data transmissions for time-sensitive and high-traffic devices. The bandwidth utilization in IEEE 802.15.4-based PAN is improved. Simulation results show that our ART-GAS algorithm significantly outperforms the existing GTS mechanism specified in IEEE 802.15.4.

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