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Vol. 94, Issue 7, July 2008, pp.139-149




Utilization of Novel Overlap Functions in Wireless Sensor Fusion


G. Rama Murthy* and Padmalaya NAYAK**

*Associate Professor, International Institute of Information Technology, Hyderabad

**Ph.D. Student, National Institute of Technology, Tiruchirappalli

E-mail: rammurthy@iiit.ac.in



Received: 4 February 2008   /Accepted: 21 July 2008   /Published: 31 July 2008


Abstract: With the emergence of high-speed wireless networks and with their increased computational capabilities, distributed sensor networks (DSNs) have a wide range of real time applications in automation, defense, medical imaging, robotics, whether predictions, etc. Since the early 1990s, DSNs have been an active research area. In this research paper, various well known overlap functions utilized in wireless sensor fusion are briefly summarized. Novel overlap functions, namely the dual of W, N Functions are defined. By  associating a overlap probability  distribution function  with  the  W  Function, novel performance measures related  to  the  sensor  fusion  problem are discussed. Other interesting approaches for defining novel overlap functions are discussed. The  relationship  between existing  theories (such as rough  set  theory, detection  theory  and fuzzy  set  theory) and wireless  sensor fusion problem is  discussed.


Keywords: Overlap functions; Rough Set; Detection theory; Fuzzy logic


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