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| A Decision Feedback Equalizer Based on Non-singleton Fuzzy Support Vector Machine |
| Song Heng; Wang Chen; Ma Shi-ping; Zuo Ji-zhang |
| School of Engineering, Air Force Engineering University, Xi’an 710038, China |
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Abstract A non-singleton fuzzy support vector machine-based decision feedback equalizer (NSFSVM DFE) is proposed in this paper for severely nonlinear distorted channels with burst jamming. The method adopted non-singleton fuzzy Gauss kernel function with preceding filtering capability of which the tunable parameter is adjusted by gradient-descent algorithm. Simulation is carried out to compare it with other nonlinear channel equalizers. The result shows the method has much better performance on nonlinear equalization and anti-burst jamming.
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Received: 12 June 2006
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2008, Vol. 30 
