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Proxy-based sensor deployment for mobile sensor networks

机译：用于移动传感器网络的基于代理的传感器部署

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摘要

To provide satisfactory coverage is very important in many sensor network applications such as military surveillance. In order to obtain the required coverage in harsh environments, mobile sensors are helpful since they can move to cover the area not reachable by static sensors. Previous work on mobile sensor deployment is based on a round by round process, where sensors move iteratively until the maximum coverage is reached. Although these solutions can deploy mobile sensors in a distributed way, the mobile sensors may move in a zig-zag way and waste a lot of energy compared to moving directly to the final location. To address this problem, we propose a proxy-based sensor deployment protocol. Instead of moving iteratively, sensors calculate their target locations based on a distributed iterative algorithm, move logically, and exchange new logical locations with their new logical neighbors. Actual movement only occurs when sensors determine their final locations. Simulation results show that the proposed protocol can significantly reduce the energy consumption compared to previous work, while maintaining similar coverage.
机译：在许多传感器网络应用（例如军事监视）中，提供令人满意的覆盖范围非常重要。为了在恶劣的环境中获得所需的覆盖范围，移动传感器非常有用，因为它们可以移动到覆盖静态传感器无法到达的区域。以前在移动传感器部署方面的工作是逐轮进行的，在此过程中，传感器会反复移动直到达到最大覆盖范围。尽管这些解决方案可以以分布式方式部署移动传感器，但是与直接移动到最终位置相比，移动传感器可能以之字形移动并且浪费大量能量。为了解决这个问题，我们提出了一种基于代理的传感器部署协议。传感器不进行迭代移动，而是基于分布式迭代算法计算其目标位置，进行逻辑移动，并与其新的逻辑邻居交换新的逻辑位置。仅当传感器确定其最终位置时才发生实际运动。仿真结果表明，与以前的工作相比，该协议可以显着降低能耗，同时保持相似的覆盖范围。

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