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Proposition and Simulation of a Network Layer based Hard Real Time Protocol for Wireless Sensor Networks

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2 Author(s)
Qureshi, T. ; Univ. Lumiere Lyon2, Lyon ; Zighed, D.A.

Several wireless sensor network applications are emerging in areas ranging from defense, security, to health or smart homes. Their goal is often to monitor a geographic area and when a sensor detects a feared event, it informs the sink using an alarm message. When such an event happens, the application needs to react with finite bounded and known delays, which are hard real-time constraints. To our knowledge only few works on communication protocols deal with such constraints. Our work deals with routing based 2-dimensional network topologies and event based alarm messages being delivered in real time at the destination or sink node. This work proposes and simulates a new network layer based hard real time protocol, which assumes a collision free known delay MAC (medium access control) layer.

Published in:

Mobile and Wireless Communications Summit, 2007. 16th IST

Date of Conference:

1-5 July 2007