Optimized orphan algorithm for IEEE 802.15.4 networks

Authors:
Antonio-Javier Garcia-Sanchez;Felipe Garcia-Sanchez;Joan Garcia-Haro
Affiliations:
Technical University of Cartagena, Campus Muralla del Mar, Cartagena, Spain;Technical University of Cartagena, Campus Muralla del Mar, Cartagena, Spain;Technical University of Cartagena, Campus Muralla del Mar, Cartagena, Spain
Venue:
ISWCS'09 Proceedings of the 6th international conference on Symposium on Wireless Communication Systems
Year:
2009

Citing 2
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Abstract

The IEEE 802.15.4 standard offers a low-cost, low-power and short-range wireless communications, which are known by the acronym LR-WPAN (Low Rate Wireless Personal Area Network). The loss of coverage of a device involves a long process when it has to join again the wireless network, having associated a high delay and energy waste. These drawbacks imply this Orphan device stays a long time unable to perform its network operation but simultaneously consuming power. In this paper we propose and design a new algorithm, called Optimized Orphan Algorithm (OOA), which provides a considerable reduction on the delay and energy consumption during the orphan process. Performance evaluation of the OOA algorithm is conducted by using a ns-2 simulation environment. Finally, a real-implementation is assessed as case of study. This real-case validates the simulation results.