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Empirical Evaluation of Querying Mechanisms for Unstructured Wireless Sensor Networks

机译：非结构化无线传感器网络查询机制的实证评估

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摘要

In the last few years, several studies have analyzed the performance of flooding and random walks as querying mechanisms for unstructured wireless sensor networks. However, most of the work is theoretical in nature and while providing insights into the asymptotic behavior of these querying mechanisms, does not account for the non-idealities faced by the network in real deployments. In this paper, we propose a 3-way handshake protocol as a reliable implementation of a random walk and compare its performance with flooding in real environments. The metrics considered are delay, reliability and transmission cost. Our initial results suggest that flooding is better suited for low-interference environments, while random walks might be a better option in networks with high interference. We also present possible research directions to improve the performance of flooding and random walks.
机译：在最近几年，一些研究已经分析了泛洪和随机游走作为非结构化无线传感器网络查询机制的性能。但是，大多数工作本质上是理论性的，尽管可以深入了解这些查询机制的渐近行为，但并不能说明网络在实际部署中所面临的非理想情况。在本文中，我们提出了一种3步握手协议作为随机游走的可靠实现，并将其性能与实际环境中的泛洪性能进行了比较。考虑的指标是延迟，可靠性和传输成本。我们的初步结果表明，泛洪更适合于低干扰环境，而在具有高干扰的网络中，随机游走可能是更好的选择。我们还提出了可能的研究方向，以提高洪水和随机游走的性能。

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