Strictly Prioritized Transmission of Urgent Data Based on MAC Coordination in WSNs

摘要

Recently, by the spread of Internet of Things (IoT), wireless sensor networks and their applications are becoming more diverse. Future tasks in IoT include healthcare and factory networks, in which urgent data, in case of sudden condition change of elderly people or disaster due to machine failure, must be transferred with minimum delay and loss. However, existing methods for such prioritized transmission support only relative prioritization among different data traffic. In this paper, we propose a strictly prioritized transmission method of urgent data for transmission with minimum delay and loss. Urgent data are transmitted with strictly prioritized manner in MAC coordination between neighbor nodes along the route.