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Sensors 2010, 10(10), 8920-8937; doi:10.3390/s101008920
Article

ZERO: Probabilistic Routing for Deploy and Forget Wireless Sensor Networks

1,* , 1
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2
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1
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3
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1 Universitat Oberta de Catalunya, Rambla Poblenou 156 08018 Barcelona, Spain 2 Universitata Politecnica de Catalunya, Jordi Girona , 08034 Barcelona, Spain 3 Universitat Autonoma de Barcelona, 08193 Bellaterra (Barcelona), Spain
* Author to whom correspondence should be addressed.
Received: 10 August 2010 / Revised: 18 September 2010 / Accepted: 20 September 2010 / Published: 29 September 2010
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Abstract

As Wireless Sensor Networks are being adopted by industry and agriculture for large-scale and unattended deployments, the need for reliable and energy-conservative protocols become critical. Physical and Link layer efforts for energy conservation are not mostly considered by routing protocols that put their efforts on maintaining reliability and throughput. Gradient-based routing protocols route data through most reliable links aiming to ensure 99% packet delivery. However, they suffer from the so-called ”hot spot” problem. Most reliable routes waste their energy fast, thus partitioning the network and reducing the area monitored. To cope with this ”hot spot” problem we propose ZERO a combined approach at Network and Link layers to increase network lifespan while conserving reliability levels by means of probabilistic load balancing techniques.
Keywords: energy efficiency; probabilistic routing; collection-tree-protocol; gradient routing; wireless sensor networks; agriculture and industry energy efficiency; probabilistic routing; collection-tree-protocol; gradient routing; wireless sensor networks; agriculture and industry
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Vilajosana, X.; Llosa, J.; Pacho, J.C.; Vilajosana, I.; Juan, A.A.; Vicario, J.L.; Morell, A. ZERO: Probabilistic Routing for Deploy and Forget Wireless Sensor Networks. Sensors 2010, 10, 8920-8937.

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