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Sensors 2011, 11(3), 2920-2938; doi:10.3390/s110302920
Article

ECS: Efficient Communication Scheduling for Underwater Sensor Networks

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Received: 23 January 2011; in revised form: 23 February 2011 / Accepted: 28 February 2011 / Published: 4 March 2011
(This article belongs to the Special Issue Adaptive Sensing)
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Abstract: TDMA protocols have attracted a lot of attention for underwater acoustic sensor networks (UWSNs), because of the unique characteristics of acoustic signal propagation such as great energy consumption in transmission, long propagation delay and long communication range. Previous TDMA protocols all allocated transmission time to nodes based on discrete time slots. This paper proposes an efficient continuous time scheduling TDMA protocol (ECS) for UWSNs, including the continuous time based and sender oriented conflict analysis model, the transmission moment allocation algorithm and the distributed topology maintenance algorithm. Simulation results confirm that ECS improves network throughput by 20% on average, compared to existing MAC protocols.
Keywords: underwater sensor networks; communication scheduling; TDMA; ST-MAC underwater sensor networks; communication scheduling; TDMA; ST-MAC
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

Hong, L.; Hong, F.; Guo, Z.; Li, Z. ECS: Efficient Communication Scheduling for Underwater Sensor Networks. Sensors 2011, 11, 2920-2938.

AMA Style

Hong L, Hong F, Guo Z, Li Z. ECS: Efficient Communication Scheduling for Underwater Sensor Networks. Sensors. 2011; 11(3):2920-2938.

Chicago/Turabian Style

Hong, Lu; Hong, Feng; Guo, Zhongwen; Li, Zhengbao. 2011. "ECS: Efficient Communication Scheduling for Underwater Sensor Networks." Sensors 11, no. 3: 2920-2938.



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