A Sequential GTS Sharing Scheme in IEEE 802.15.4 for Wireless Sensor Networks

Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 181)

Abstract

This paper suggests a data collecting scheme for wireless sensor networks with IEEE 802.15.4-LR WPAN protocols. A sink collects data from each sensor node using a guaranteed time slot in tree rooted at the sink node. Using a beacon and tree configuration message, a sink tree is formed and expanded to all sensor nodes that hear the beacon signal. A sharing of guaranteeing time slot by a predetermined sequential superframe and the corresponding channel allocation scheme are also presented. Simulation results show that the proposed sequential channel sharing scheme has good results in end-to-end delay and jitter characteristics in collecting data from many sensor nodes.

Keywords

802.15.4-LR WPAN Sensor Network Guaranteed Time Slot 

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  1. 1.Seoul National University of Science and Technology, Nowon-guSeoulKorea

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