Fuzzy Logic Control Based QoS Management in Wireless Sensor/Actuator Networks
AbstractWireless sensor/actuator networks (WSANs) are emerging rapidly as a newgeneration of sensor networks. Despite intensive research in wireless sensor networks(WSNs), limited work has been found in the open literature in the field of WSANs. Inparticular, quality-of-service (QoS) management in WSANs remains an important issue yetto be investigated. As an attempt in this direction, this paper develops a fuzzy logic controlbased QoS management (FLC-QM) scheme for WSANs with constrained resources and indynamic and unpredictable environments. Taking advantage of the feedback controltechnology, this scheme deals with the impact of unpredictable changes in traffic load on theQoS of WSANs. It utilizes a fuzzy logic controller inside each source sensor node to adaptsampling period to the deadline miss ratio associated with data transmission from the sensorto the actuator. The deadline miss ratio is maintained at a pre-determined desired level sothat the required QoS can be achieved. The FLC-QM has the advantages of generality,scalability, and simplicity. Simulation results show that the FLC-QM can provide WSANswith QoS support.
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Xia, F.; Zhao, W.; Sun, Y.; Tian, Y.-C. Fuzzy Logic Control Based QoS Management in Wireless Sensor/Actuator Networks. Sensors 2007, 7, 3179-3191.
Xia F, Zhao W, Sun Y, Tian Y-C. Fuzzy Logic Control Based QoS Management in Wireless Sensor/Actuator Networks. Sensors. 2007; 7(12):3179-3191.Chicago/Turabian Style
Xia, Feng; Zhao, Wenhong; Sun, Youxian; Tian, Yu-Chu. 2007. "Fuzzy Logic Control Based QoS Management in Wireless Sensor/Actuator Networks." Sensors 7, no. 12: 3179-3191.