A fuzzy logic based QoS evaluation model for wireless sensor network

Authors:
Deng Qiang;Xie Dong-liang;Chen Shan-zhi
Affiliations:
State Key Lab of Switching and Networking Technology, Beijing University of Posts and Telecommunications, Beijing, China;State Key Lab of Switching and Networking Technology, Beijing University of Posts and Telecommunications, Beijing, China;State Key Lab of Wireless Mobile Communication, China Academy of Telecommunication Technology, Beijing, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

Quality of Service (QoS) in Wireless Sensor Network (WSN) presents a great challenge to researchers, and work in this area has been isolated and focused on some specific protocol layers or application scenarios. In this paper, we propose a holistic QoS model to evaluate the performance of WSN. QoS requirements within a WSN reference architecture is presented, and then a two-way mapping between application layer parameters and network layer parameters is carefully analyzed using fuzzy logic. Finally, we propose a fuzzy logic based comprehensive evaluation model for systematic QoS in WSN, and use a case study to illustrate its effectiveness.