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Sensors 2012, 12(8), 10511-10535; doi:10.3390/s120810511
Review

Cross Layer Adaptation of Check Intervals in Low Power Listening MAC Protocols for Lifetime Improvement in Wireless Sensor Networks

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Received: 16 July 2012; in revised form: 16 July 2012 / Accepted: 27 July 2012 / Published: 2 August 2012
(This article belongs to the Section Physical Sensors)
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Abstract: Preamble sampling-based MAC protocols designed forWireless Sensor Networks (WSN) are aimed at prolonging the lifetime of the nodes by scheduling their times of activity. This scheduling exploits node synchronization to find the right trade-off between energy consumption and delay. In this paper we consider the problem of node synchronization in preamble sampling protocols. We propose Cross Layer Adaptation of Check intervals (CLAC), a novel protocol intended to reduce the energy consumption of the nodes without significantly increasing the delay. Our protocol modifies the scheduling of the nodes based on estimating the delay experienced by a packet that travels along a multi-hop path. CLAC uses routing and MAC layer information to compute a delay that matches the packet arrival time. We have implemented CLAC on top of well-known routing and MAC protocols for WSN, and we have evaluated our implementation using the Avrora simulator. The simulation results confirm that CLAC improves the network lifetime at no additional packet loss and without affecting the end-to-end delay.
Keywords: communication latency; synchronization; preamble sampling protocols; adaptive scheduling; wireless sensor networks communication latency; synchronization; preamble sampling protocols; adaptive scheduling; wireless sensor networks
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Escolar, S.; Chessa, S.; Carretero, J.; Marinescu, M.-C. Cross Layer Adaptation of Check Intervals in Low Power Listening MAC Protocols for Lifetime Improvement in Wireless Sensor Networks. Sensors 2012, 12, 10511-10535.

AMA Style

Escolar S, Chessa S, Carretero J, Marinescu M-C. Cross Layer Adaptation of Check Intervals in Low Power Listening MAC Protocols for Lifetime Improvement in Wireless Sensor Networks. Sensors. 2012; 12(8):10511-10535.

Chicago/Turabian Style

Escolar, Soledad; Chessa, Stefano; Carretero, Jesús; Marinescu, Maria-Cristina. 2012. "Cross Layer Adaptation of Check Intervals in Low Power Listening MAC Protocols for Lifetime Improvement in Wireless Sensor Networks." Sensors 12, no. 8: 10511-10535.


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