Coordinated sleeping for beaconless 802.15.4-based multihop networks

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Title: Coordinated sleeping for beaconless 802.15.4-based multihop networks
Authors: Ruzzelli, Antonio G.
Schoofs, Anthony
O'Hare, G. M. P. (Greg M. P.)
Aoun, Marc
Stok, Peter van der
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Date: Sep-2009
Online since: 2010-01-25T11:08:14Z
Abstract: The last few years have seen a wide adoption of the IEEE 802.15.4 MAC/PHY standard for low-power communication between wireless sensor nodes. Within this work we study some fundamental drawbacks of the 802.15.4 specifications for multihop network deployments, which adversely affect the delivery rate and efficient node energy consumption. These issues are rectified by investigating a timezone-based scheduling, V-Route, that builds on 802.15.4 beaconless mode to enable both a synchronized sleep scheduling and a bidirectional communication between nodes in the sensor network and the PAN coordinator. The contributions of V-Route are threefold: (1) mitigate collisions, (2) enable packet routing and (3) provide energy saving in a multihop context, while maintaining the full compliancy with the 802.15.4 standard. We present a performance evaluation on energy consumption and latency with real experiments on Philips AquisGrain sensor nodes. Enhancing 802.15.4-based multi-hop networks with V-Route yields energy reduction ranging from 27.3% to 85.3%, according to the required end-to-end latency.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: Springer
Copyright (published version): 2010, ICST Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering
Keywords: SensorNetworkWirelessRoutingEnergy802.15.4
Subject LCSH: IEEE 802.15 (Standard)
Wireless sensor networks
Sensor networks--Energy consumption
Routing (Computer network management)
DOI: 10.1007/978-3-642-11528-8_19
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Language: en
Status of Item: Peer reviewed
Is part of: Hailes, S., Sicari, S., Roussos, G. (Eds.). Sensor Systems and Software : First International ICST Conference, S-CUBE 2009 Pisa, Italy, September 7-9, 2009 Revised Selected Papers
Conference Details: Paper presented at the 1st International Conference on Sensor Systems and Software, September 7-9, 2009 - Pisa, Italy
ISBN: 978-3-642-11527-1
Appears in Collections:CLARITY Research Collection
Computer Science Research Collection

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