文献类型：期刊文献

英文题名：RT-Notification: A Novel Real-Time Notification Protocol for Wireless Control in Fog Computing

作者：Feng, Li[1];Yang, Jie[1];Zhang, Huan[1,2]

第一作者：Feng, Li

通讯作者：Feng, L[1]

机构：[1]Macau Univ Sci & Technol, Fac Informat Technol, Ave Wei Long, Taipa, Macau, Peoples R China;[2]Beijing Union Univ, Coll Intellectualized City, Beijing, Peoples R China

第一机构：Macau Univ Sci & Technol, Fac Informat Technol, Ave Wei Long, Taipa, Macau, Peoples R China

通讯机构：[1]corresponding author), Macau Univ Sci & Technol, Fac Informat Technol, Ave Wei Long, Taipa, Macau, Peoples R China.

年份：2017

卷号：14

期号：11

起止页码：17-28

外文期刊名：CHINA COMMUNICATIONS

收录：;Scopus(收录号：2-s2.0-85040179491);WOS:【SCI-EXPANDED(收录号:WOS:000417915000003)】；

基金：This work is supported by Macao FDCT-MOST grant001/2015/AMJ, and Macao FDCT grants 005/2016/A1, and 056/2017/A2.

语种：英文

外文关键词：fog computing; wireless control; real-time; notification

摘要：Fog computing is an emerging paradigm that has broad applications including storage, measurement and control. In this paper, we propose a novel real-time notification protocol called RT-Notification for wireless control in fog computing. RT-Notification provides low-latency TDMA communication between an access point in Fog and a large number of portable monitoring devices equipped with sensor and actuator. RT-Notification differentiates two types of controls: urgent downlink actuator-oriented control and normal uplink access & scheduling control. Different from existing protocols, RT-Notification has two salient features: (i) support real-time notification of control frames, while not interrupting ongoing other transmissions, and (ii) support on-demand channel allocation for normal uplink access & scheduling control. RT-Notification can be implemented based on the commercial off-the-shelf 802.11 hardware. Our extensive simulations verify that RT-Notification is very effective in supporting the above two features.