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Classification of digital modulations using the LPC

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4 Author(s)
Sangwoo Cho ; Sci. Comput. Lab., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea ; Chong Hyun Lee ; Joohwan Chun ; Dongmyung Ahn

We propose a new digital modulation classification method based on the continuous-time wavelet transformation (CWT) and the linear predictive coding (LPC) method. The LPC coefficients extracted from the LPC model of the CWT for a modulated signal is chosen as the feature used to classify the modulation types of BPSK, QPSK, FSK and jammer. By using several reference features per modulation type we can make our algorithm robust to the influence of noise. To verify the proposed modulation classification algorithm, simulations are performed, which demonstrate excellent classification rates

Published in:

National Aerospace and Electronics Conference, 2000. NAECON 2000. Proceedings of the IEEE 2000

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