An Adaptive Energy-Efficient MAC Protocol for Wireless Sensor Networks

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An Adaptive Energy-Efficient MAC Protocol for Wireless Sensor Networks (2003)

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by Tijs van Dam , Koen Langendoen

Venue:	SENSYS'03
Citations:	516 - 13 self

BibTeX

@MISC{Dam03anadaptive,
    author = {Tijs van Dam and Koen Langendoen},
    title = {An Adaptive Energy-Efficient MAC Protocol for Wireless Sensor Networks},
    year = {2003}
}

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Abstract

In this paper we describe T-MAC, a contention-based Medium Access Control protocol for wireless sensor networks. Applications for these networks have some characteristics (low message rate, insensitivity to latency) that can be exploited to reduce energy consumption by introducing an active/sleep duty cycle. To handle load variations in time and location T-MAC introduces an adaptive duty cycle in a novel way: by dynamically ending the active part of it. This reduces the amount of energy wasted on idle listening, in which nodes wait for potentially incoming messages, while still maintaining a reasonable throughput. We discuss

Keyphrases

wireless sensor network adaptive energy-efficient mac protocol location t-mac energy consumption active sleep duty cycle novel way contention-based medium access control protocol incoming message reasonable throughput load variation active part low message rate idle listening adaptive duty cycle

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