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ThinkMind // ICWMC 2013, The Ninth International Conference on Wireless and Mobile Communications // View article icwmc_2013_9_40_20276


Fast Association Scheme over IEEE 802.15.4 based Mobile Sensor Network

Authors:
Pranesh Sthapit
Yeon-Sang Choi
Goo-Rak Kwon
Jae-Young Pyun
Suk-seung Hwang

Keywords: node association; multi-channel; IEEE 802.15.4

Abstract:
IEEE 802.15.4 is designed mainly for static low duty cycle wireless personal area network and its capability to support mobility has not been extensively explored yet. W e observed that the amount of time required for the association process is the key reason for making IEEE 802.15.4 unable to handle mobility. In a beacon-enabled network, mobile node can only learn about the existence of any neighbor by listening to incoming beacons. Nevertheless, as neither the channel on which the neighbor operates nor its frequency of beaconing are known, nodes have to scan every available channel, which can take from few to several seconds depending upon the beacon interval. In this paper, we propose a new fast association technique, which prevents nodes from scanning multiple channels. In our proposed scheme, by scanning just a single channel, node can learn about all the coordinators working in different channels. Our single channel scan scheme is able to decrease the association time of IEEE 802.15.4 operation in 2.4 GHz by 32 times. Experiment results have verified that our scheme works well in the mobile environment.

Pages: 179 to 184

Copyright: Copyright (c) IARIA, 2013

Publication date: July 21, 2013

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-284-4

Location: Nice, France

Dates: from July 21, 2013 to July 26, 2013

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