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A Joint Mobility Management Approach and Data Rate Adaptation Algorithm for IEEE 802.15.4/ZigBee Nodes
Laboratoire d’Electronique Antennes et Télécommunications (LEAT), University of Nice Sophia Antipolis, Nice, France; RedCAD, University of Sfax, Sfax, Tunisia
Laboratoire d’Electronique Antennes et Télécommunications (LEAT), University of Nice Sophia Antipolis, Nice, France
Laboratoire d’Electronique Antennes et Télécommunications (LEAT), University of Nice Sophia Antipolis, Nice, France
RedCAD, University of Sfax, Sfax, Tunisia
- 1 Laboratoire d’Electronique Antennes et Télécommunications (LEAT), University of Nice Sophia Antipolis, Nice, France; RedCAD, University of Sfax, Sfax, Tunisia
- 2 Laboratoire d’Electronique Antennes et Télécommunications (LEAT), University of Nice Sophia Antipolis, Nice, France
- 3 Laboratoire d’Electronique Antennes et Télécommunications (LEAT), University of Nice Sophia Antipolis, Nice, France
- 4 RedCAD, University of Sfax, Sfax, Tunisia
Wireless Sensor Network·Volume 06 (2014)·Pages 27–34·Published 19 February 2014·DOI10.4236/wsn.2014.62004
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Abstract
This paper presents an original approach to reduce energy consumption in an IEEE 802.15.4/ZigBee cluster tree network related to a backbone network. Our approach uses an enhanced mobility management of end devices combined with a rate adaptation algorithm. The mobility management approach anticipates link disruption and relies on a speculative algorithm that does not require scanning neighbor cells. The joint mobility management and rate adaptation methods are based on the link quality indicator (LQI). It is demonstrated that even in a noisy en vironment, the energy consumption as well as the latency of mobile devices can be significantly reduced.
KeywordsIEEE 802.15.4MobilityRate AdaptationEnergy Consumption
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