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Distributed duty-cycle management for dependable wireless sensor networks

Wu, J and Sun, Zhili (2008) Distributed duty-cycle management for dependable wireless sensor networks In: UKPEW 2008, 24th Annual UK Performance Engineering Workshop, 2008-07-03 - 2008-07-04, London, UK.

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It is believed that the deployments of Wireless Sensor Network (WSN) have great long-term economic potential, ability to transform our lives, and pose many new system-building challenges. A typical application domain of WSN is by placing a vast number of multifunctional sensor nodes over a field to sense and collect surrounding environment data. Beside energy conservation concerns, another major challenge for its real deployments is its reliability issue, more precisely the sensing resolution (this being the main service quality we addressed in this paper). In many cases, redundancy of sensors is being made to provide higher sensing resolution when single sensing device is with lower ability. Certain coverage of sensors is required in order to guarantee the sensing data with acceptable degree-of-truth. However, since sensor nodes are mostly powered by batteries and required to remain in inactive state for the longest possible time duration due to save energy. Balancing the trade-off between energyefficiency and sensing quality is a rich area because sensor deaths and sensor replenishments make it difficult to specify the optimum number of sensors that should be activated and sending information at any given time. Through literature survey, we discover that current solutions toward this problem fell into some limitations in configurations or deployments. In this paper, we present a concept for improving the overall performance of the WSNs through local collaborations of neighbour nodes, and provide a more efficient duty-cycle management solution. A framework for distributed duty-cycle management is given, and a control algorithm is generated from the framework. Simulation shows that the new method does work in WSN environments, and gives good results.

Item Type: Conference or Workshop Item (Conference Paper)
Subjects : Electronic Engineering
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Wu, J
Date : 3 July 2008
Copyright Disclaimer : © The authors, 2008. Copyright of the articles in these proceedings rests with the authors.The proceedings themselves are the copyright of UKPEW (
Contributors :
Argent-Katwala, A
Dingle, NJ
Harder, U
Uncontrolled Keywords : Wireless Sensor Networks, Duty-cycle, Distributed, Resolution
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 08 Dec 2016 09:12
Last Modified : 16 Jan 2019 17:10

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