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Informax-Based Data Fusion for Sensor Network

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4 Author(s)
Haiting Tian ; Inst. of Opto-Electron. Technol., Beijing Univ. of Aeronaut. & Astronaut. (BUAA), Beijing, China ; Jing Jin ; Chunxi Zhang ; Ningfang Song

The data fusion algorithm has been developing extensively with the wide application of sensor networks. An Informax-based data fusion algorithm is proposed in this paper. The fusion matrix can be self-adaptive from the mutual information of the sensors output to obtain the maximal approximation of the original signal. In addition, the effects of step-size factor are analyzed. A Gyroscopes Network that uses the Informax algorithm to fuse the gyroscopes output is introduced as an implementation. Furthermore, a prototype has been built and the precision of the gyroscopes network after data fusion was improved about 6.5 times over that of a single gyroscope in prototype.

Published in:

IEEE Sensors Journal  (Volume:9 ,  Issue: 7 )