An Analytical Model for Evaluating IEEE 802.15.4 CSMA/CA Protocol in Low-Rate Wireless Application
AINAW '07 Proceedings of the 21st International Conference on Advanced Information Networking and Applications Workshops - Volume 02
GTS allocation analysis in IEEE 802.15.4 for real-time wireless sensor networks
IPDPS'06 Proceedings of the 20th international conference on Parallel and distributed processing
A review of wireless and PLC propagation channel characteristics for smart grid environments
Journal of Electrical and Computer Engineering
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IEEE 802.15.4 standard provides a viable MAC and PRY specification for wireless sensor networks. Performance evaluation of these networks has been reported in literature. Previous works focus largely on analyzing the CSMA/CA traffic and frame delay due to Guaranteed Time Slots (GTS) allocations. In this work, we propose a analytical model to understand and characterize the performance of GTS traffic in IEEE 802.15.4 networks for emergency response situations. We study two crucial performance metrics, latency and frame drop rate, for GTS frames. The results from our analysis closely match with those from simulations of IEEE 802.15.4 MAC reported earlier.