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HAN Li, WAN Jin-bo. Realizable Hardware-Based Method for Digital Modulation Classification[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2005, 14(4): 382-385.
Citation: HAN Li, WAN Jin-bo. Realizable Hardware-Based Method for Digital Modulation Classification[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2005, 14(4): 382-385.
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Realizable Hardware-Based Method for Digital Modulation Classification

  • School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2004-03-09
    Abstract
  • A new method suited for hardware implementation is developed to classify 8 different digital modulation types with raised cosine base-band impulse without knowing the carrier frequency and symbol timing. The normalized histogram of stagnation points for instantaneous parameters is used to recognize both ideal rectangular and raised cosine base-band digital signals. Carrier frequency estimation is used to enhance the recognition rate of phase-modulated signals. In the condition of 10 dB signal noise ratio (SNR), the recognizing rate is over 80%. The new algorithm is suited for hardware implementation.
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