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Efficient Multipath Communication for Time-Critical Applications in Underwater Acoustic Sensor Networks by Zhong Zhou; Zheng Peng; Jun-Hong Cui; Zhijie Shi is a Computer Science article available to read on EtoBox.

What is Efficient Multipath Communication for Time-Critical Applications in Underwater Acoustic Sensor Networks about?

Due to the long propagation delay and high error rate of acoustic channels, it is very challenging to provide reliable data transfer for time-critical applications in an energy-efficient way. On the one hand, traditional retransmission upon failure usually introduces very large end-to-end delay and is thus not proper for time-critical services. On the other hand, common approaches without retransmission consume lots of energy. In this paper, we propose a new multipath power-control transmission (MPT) scheme, which can guarantee certain end-to-end packet error rate while achieving a good balance between the overall energy efficiency and the end-to-end packet delay. MPT smartly combines power control with multipath routing and packet combining at the destination. With carefully designed power-control strategies, MPT consumes much less energy than the conventional one-path transmission scheme without retransmission. Besides, since no hop-by-hop retransmission is allowed, MPT introduces much shorter delays than the traditional one-path scheme with retransmission. We conduct extensive simulations to evaluate the performance of MPT. Our results show that MPT is highly energy-efficient wi

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Author

Zhong Zhou; Zheng Peng; Jun-Hong Cui; Zhijie Shi

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Published

2011

Language

EN

Field

Computer Science (Physical Sciences)