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Sensors 2007, 7(12), 3179-3191; doi:10.3390/s7123179
Article

Fuzzy Logic Control Based QoS Management in Wireless Sensor/Actuator Networks

1
, 2, 3 and 1,*
Received: 30 November 2007; Accepted: 5 December 2007 / Published: 6 December 2007
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Abstract: Wireless 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.
Keywords: wireless sensor/actuator network; quality of service; adaptive resource management; fuzzy logic control; deadline miss ratio. wireless sensor/actuator network; quality of service; adaptive resource management; fuzzy logic control; deadline miss ratio.
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

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.

AMA Style

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.



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