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Distributed cell scheduling for multichannel IoT MAC protocols

机译：多通道IoT MAC协议的分布式小区调度

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摘要

We provide a distributed solution to the scheduling of slots over multiple channels in low power wireless sensor networks organized in data gathering tree which are the topologies that are expected to be deployed in the Internet of Things (IoT). Our solution generates a dynamic and distributed schedule that achieves high throughput, low packet errors and collisions, as well as low energy consumption by avoiding deafness and reducing both overhead and overhearing. In our solution, nodes do not communicate large numbers of control message as local topology construction is only based on local link exchange to construct 2-hop neighborhood. To reach our goal, we chose to make use of Combinatorial Design theory, particularly Block Design. Within Block Design, we particularly focused on Latin Squares/Latin Rectangles (LS/LR), and Balanced Incomplete Block Design (BIBD). We evaluate the performance of our solution by comparing it with DiSCA (Distributed Scheduling for Convergecast in Multichannel WSN) and show that we obtain better results in terms of throughput, packet delivery rate, and energy consumption. Our results are based on our implementation of both protocols on NS-3.26.
机译：我们为数据收集树中组织的低功耗无线传感器网络中多个通道上的时隙调度提供了分布式解决方案，这些数据收集树是预计将在物联网（IoT）中部署的拓扑。我们的解决方案生成了动态的分布式计划，通过避免耳聋，减少开销和偷听现象，实现了高吞吐量，低数据包错误和冲突以及低能耗。在我们的解决方案中，节点不传递大量控制消息，因为本地拓扑结构仅基于本地链路交换来构建2跳邻居。为了达到我们的目标，我们选择利用组合设计理论，尤其是模块设计。在模块设计中，我们特别关注拉丁方格/拉丁矩形（LS / LR）和平衡不完整模块设计（BIBD）。通过将其与DiSCA（多通道WSN中的聚合广播分布式调度）进行比较，我们评估了该解决方案的性能，并表明我们在吞吐量，数据包传输速率和能耗方面取得了更好的结果。我们的结果基于我们在NS-3.26上执行的两种协议。

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