RE-SYNCHRONIZATION OF BATTERY-POWERED EDGE DEVICES IN CHANNEL HOPPING LOW POWER AND LOSSY NETWORKS
The techniques presented herein propose to overlay a virtual channel-hopping schedule on a mains-powered devices’ unicast (Ucast) and broadcast (Bcast) schedule that allows for a relatively large synchronization error for devices that cannot afford to resynchronize often. The virtual channel-hopping schedule does not occupy actual slot time of the mains-powered devices, does not reduce the overall robustness of a Low power and Lossy Network (LLN) to interference and channel agility, but may reduce the re-synchronization time between mains-powered devices and battery-powered edge devices. These techniques may be helpful to extend the lifetime of energy constrained devices in a channel-hopping network (e.g., for gas meters or water meter that can't afford to resynchronize often with mains-powered electric meters).
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Zhang, Zaochun; Huang, Rui; Xu, Xiao; and Zhang, Xiaopu, "RE-SYNCHRONIZATION OF BATTERY-POWERED EDGE DEVICES IN CHANNEL HOPPING LOW POWER AND LOSSY NETWORKS", Technical Disclosure Commons, (October 09, 2019)