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Published in:
2009 | OriginalPaper | Chapter
A Dynamic Interval Scheduling and Congestion Control Scheme for Sensor Networks
Authors : Sun-Min Hwang, Seung-Min Han, Ga-Won Lee, Eui-Nam Huh
Published in: Communication and Networking
Publisher: Springer Berlin Heidelberg
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This paper introduces a novel interval scheduling and congestion control scheme in wireless sensor networks. Wireless sensor network is an event based system with several sensor nodes. Reliable event detection at the sink is based on collective information provided by sensor nodes. But due to the unreliable nature of wireless communication, it is hard to guarantee the end-to-end reliability and timeliness. Hence, we propose a novel dynamic congestion control scheme that ensures the reliable delivery of packets to a base station, and that minimizes congestion within sensor network. This solution includes a congestion control component that serves the purpose of minimizing congestion by burst traffic, data concentration, and link failure. And to achieve energy efficiency, reliability, and timeliness, we introduce the concept of dynamic interval scheduling algorithm that optimizes the data delivery ratio and energy usage for communication.