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首页> 外文期刊>IEEE sensors journal >An Energy-Efficient Reliable Data Transmission Scheme for Complex Environmental Monitoring in Underwater Acoustic Sensor Networks
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An Energy-Efficient Reliable Data Transmission Scheme for Complex Environmental Monitoring in Underwater Acoustic Sensor Networks

机译：水下声传感器网络中复杂环境监测的高效节能可靠数据传输方案

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As an extension of wireless sensor network in underwater environment, underwater acoustic sensor networks (UASNs) have caused widespread concern of academia. In UASNs, the efficiency and reliability of data transmission are very challenging due to the complex underwater environment in variety of ocean applications, such as monitoring abnormal submarine oil pipelines. Motivated by the importance of energy consumption in many deployments of UASNs, we therefore propose an energy-efficient data transmission scheme in this paper, called energy-efficiency grid routing based on 3D cubes (EGRCs) in UASNs, considering the complex properties of underwater medium, such as 3D changing topology, high propagation delay, node mobility and density, as well as rotation mechanism of cluster-head nodes. First, the whole network model is regarded as a 3D cube from the grid point of view, and this 3D cube is divided into many small cubes, where a cube is seen as a cluster. In the 3D cube, all the sensor nodes are duty-cycled in the media access control layer. Second, in order to make energy efficient and extend network lifetime, the EGRC shapes an energy consumption model considering residual energy and location of sensor nodes to select the optimal cluster-heads. Moreover, the EGRC utilizes residual energy, locations, and end-to-end delay for searching for the next-hop node to maintain the reliability of data transmission. Simulation validations of the proposed algorithm are carried out to show the effectiveness of EGRC, which performs better than the representative algorithms in terms of energy efficiency, reliability, and end-to-end delay.
机译：作为水下环境中无线传感器网络的扩展，水下声传感器网络（UASN）引起了学术界的广泛关注。在UASN中，由于各种海洋应用中复杂的水下环境（例如监视异常的海底石油管道），数据传输的效率和可靠性非常具有挑战性。考虑到能耗在UASN的许多部署中的重要性，因此，鉴于水下介质的复杂特性，我们在本文中提出了一种高效的数据传输方案，称为UASN中基于3D多维数据集（EGRC）的能效网格路由，例如3D更改拓扑，高传播延迟，节点移动性和密度，以及簇头节点的旋转机制。首先，从网格的角度来看，整个网络模型被视为3D多维数据集，并将此3D多维数据集分为许多小多维数据集，其中多维数据集被视为一个群集。在3D多维数据集中，所有传感器节点在媒体访问控制层中都有占空比。其次，为了提高能源效率并延长网络寿命，EGRC会考虑剩余能量和传感器节点的位置来选择最佳的簇头，从而形成能耗模型。此外，EGRC利用剩余能量，位置和端到端延迟来搜索下一跳节点，以保持数据传输的可靠性。对该算法进行了仿真验证，证明了EGRC的有效性，在能量效率，可靠性和端到端延迟方面，EGRC的性能均优于代表性算法。

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