Ring-Based Routing for Industrial Wireless Sensor Networks
Due to the dynamic routing and transmission collision in Ad Hoc networks, the data delivery time in IWSN is unpredictable. In this paper, a proactive routing which constructs the sensor nodes into a logical circular chain topology (i.e., ring topology) is adopted to avoid the data collision problem and to bound sensing data collecting time in industrial wireless sensor network (denoted IWSN). A load-balanced issue is considered to prolong the network lifetime. A Ping-Pong token mechanism is proposed to balance residual power of each sensor node and to prolong the network lifetime. Simulation results reveal that the linear programming scheme with Ping-Pong token has the best data delivery time, balanced the power consumption, and system life time.
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