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UWAN-MAC: An Energy-Efficient MAC Protocol for Underwater Acoustic Wireless Sensor Networks

机译:UWAN-MAC:用于水下声无线传感器网络的节能型MAC协议

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摘要

In this paper, we propose a distributed, scalable, energy-efficient media access control (MAC) protocol that works despite long, unknown propagation delays of the underwater acoustic medium. This protocol can be used for delay-tolerant applications such as underwater ecological sensor networks between energy-limited nodes. Our protocol differs significantly from ALOHA, multiple access with collision avoidance (MACA), and the media access protocol for wireless LANs (MACAW) in that energy is the main performance metric in our case rather than bandwidth utilization. We show that under a realistic underwater sensor network scenario, our MAC protocol wastes only 4% of the transmit energy and only 1.5% of the receive energy due to collisions, when the average number of neighbors is four, and the duty cycle is 0.004. This distributed, scalable MAC protocol has the potential to serve as a primer for the development of energy-efficient MAC protocols for future underwater sensor networks.
机译:在本文中,我们提出了一种分布式,可扩展,高能效的媒体访问控制(MAC)协议,该协议尽管水下声介质的传播延迟很长,但未知。此协议可用于延迟受限的应用,例如能量受限节点之间的水下生态传感器网络。我们的协议与ALOHA,具有冲突避免功能的多路访问(MACA)和无线LAN的媒体访问协议(MACAW)显着不同,因为能源是我们的主要性能指标,而不是带宽利用率。我们表明,在现实的水下传感器网络场景下,当邻居的平均数量为4,且占空比为0.004时,由于冲突,我们的MAC协议仅浪费了4%的发送能量,而仅浪费了1.5%的接收能量。这种分布式的,可扩展的MAC协议具有潜力,可以作为开发面向未来水下传感器网络的节能MAC协议的入门。

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