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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >Model of a Device-Level Combined Wireless Network Based on NB-IoT and IEEE 802.15.4 Standards for Low-Power Applications in a Diverse IoT Framework
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Model of a Device-Level Combined Wireless Network Based on NB-IoT and IEEE 802.15.4 Standards for Low-Power Applications in a Diverse IoT Framework

机译：基于NB-IOT和IEEE 802.15.4在不同IOT框架中的低功耗应用标准的设备级组合无线网络模型

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摘要

With the development of the Internet of Things (IoT), Low Data Rate-Personal Area Networks (LR-WPAN) have been deployed for different applications. Now comes the need to integrate these networks in search of greater connectivity, performances, and geographic coverage. This integration is facilitated by the recent deployment of low power wide area networks (LPWAN) in the licensed bands, especially narrowband IoT (NB-IoT) and long-term evolution for machine-type communications (LTE-M), which are standardized technologies that will continue evolving as part of the fifth generation (5G) specifications. This paper proposes a design methodology for combined networks using LR-WPAN and LPWAN technologies. These networks are combined at the device level using a cluster-tree topology. An example is shown here, where an existing IEEE 802.15.4 network is combined with NB-IoT. To this end, new dual nodes are incorporated, acting as cluster heads. The paper discusses the different aspects of formation and operation of the combined network. A dynamic link selection (DLS) algorithm is also proposed, based on which cluster headers dynamically determine the preferred link, depending on link quality and type of traffic. Extensive simulations show that the DLS algorithm significantly increases battery life on dual nodes, which are the nodes with the highest power demands.
机译：随着事物互联网（IOT），已经部署了低数据速率 - 个人区域网络（LR-WPAN）以用于不同的应用程序。现在需要集成这些网络以寻找更大的连接，性能和地理覆盖。最近在许可频段中的低功耗广域网（LPWAN），特别是窄带物联网（NB-IOT）和机器型通信（LTE-M）的长期演进，促进了这种集成，这是标准化技术这将继续作为第五代（5G）规范的一部分而发展。本文提出了使用LR-WPAN和LPWAN技术的组合网络的设计方法。这些网络在设备级别使用群集树拓扑组合。这里示出了示例，其中现有的IEEE 802.15.4网络与NB-IOT组合。为此，结合了新的双节点，充当群集头。本文讨论了组合网络的形成和操作的不同方面。还提出了一种动态链路选择（DLS）算法，基于哪个群集标题动态地确定优选链接，具体取决于链路质量和流量类型。广泛的模拟表明，DLS算法在双节点上显着提高了电池寿命，这是功率需求最高的节点。

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