面向物联网的Wi-Fi HaLow技术研究

Research on Wi-Fi HaLow for the Internet of things

最新推出的Wi-Fi标准IEEE 802.11ah又称为Wi-Fi HaLow,是一种支持大规模网络的低功耗物联网通信技术,主要应用于智能家居、医疗健康、车联网、工业流程控制、物流与资产管理、智慧农业和智慧城市等领域。首先介绍了HaLow标准,重点描述了为支持物联网而引入的新机制,进而梳理并分析了HaLow相关的研究工作。在此基础上,探讨了目前面向物联网的Wi-Fi HaLow技术仍存在的问题及挑战。

The new Wi-Fi standard,named IEEE^802.11 ah or Wi-Fi HaLow,is considered as a very promising technology for the Internet of things(IoT),aiming to support large-scale IoT networks in an energy-efficient manner.It is mainly to be used for IoT scenarios,such as smart homes,digital health care,connected cars,industrial process control,logistics&asset management,smart cities,agriculture&environmental sensors,etc.An overview of the IEEE 802.11 ah technology and its recent development were provided.The key features were explored,demonstrating that IEEE 802.11 ah is suitable for its target use cases.Moreover,a comprehensive summary and analysis of the related work were conducted.Finally,identifies several open research issues that need to be addressed to fully realize the vision of large-scale and low power Wi-Fi networks for the IoT were discussed.