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ThinkMind // UBICOMM 2010, The Fourth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies // View article ubicomm_2010_6_40_10221


A Beacon Cluster-Tree Construction Approach For ZigBee/IEEE802.15.4 Networks

Authors:
Mohammed Ikbal Benakila
Laurent George
Smain Femmam

Keywords: EEE 802.15.4; Beacon mode; Beacon frame ; scheduling; SuperFrame scheduling; Cluster-Tree.

Abstract:
Wireless Sensor Networks (WSN) based on the IEEE 802.15.4 standard are in a constant expansion. Applications like production control, building control are more and more based on WSN because of their energy efficiency, self organization capacity and protocol flexibility. The IEEE 802.15.4 standard defines 3 network topologies: the mesh topology, the star topology and the Cluster-Tree topology. However, the construction of Cluster-Tree networks based on the beacon mode is still undefined by the IEEE 802.15.4 standard. A Beacon Cluster-Tree topology has the advantage of giving all the benefits of the Beacon mode (Synchronization, QoS support through Guaranteed Time Slots) and at the same time, allows the construction of large networks to cover large areas. In order to offer to network architects more flexibility in designing WSN, we present, in this paper, a Beacon Cluster-Tree topology construction approach. Our approach is different from what was proposed until now. We summarize our contribution in three points: (1) there are no conditions on the Beacon mode SZperFrame structure, (2) despite the size of the networks, the construction of a beacon Cluster-Tree topology is always possible and (3) no scheduling is done on SuperFrames or even on Beacon frames transmissions. Indeed, in this paper, we present a novel approach that exploits wireless receivers capability in dealing with multipath to retrieve transmitted data in order to avoid scheduling problems.

Pages: 130 to 138

Copyright: Copyright (c) IARIA, 2010

Publication date: October 25, 2010

Published in: conference

ISSN: 2308-4278

ISBN: 978-1-61208-100-7

Location: Florence, Italy

Dates: from October 25, 2010 to October 30, 2010

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