Complex fuzzy adaptive filter with LMS algorithm |
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| Authors: | Ki Yong Lee |
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| Affiliation: | Dept. of Electron. Eng., Changwon Nat. Univ., Kyungnam; |
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| Abstract: | A fuzzy adaptive filter is constructed from a set of fuzzy IF-THEN rules that change adaptively to minimize some criterion function as new information becomes available. This paper generalizes the fuzzy adaptive filter based on least mean squares (LMS) to include complex parameters and complex signals. The fuzzy filter as adaptive equalizer is applied to quadrature amplitude modulation (QAM) digital communication with linear complex channel characteristics |
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