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Research on Spectrum Feature Identification of Indoor Multimodal Communication Signal

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  • Yunfei Chen
  • Yang Liu
  • Xintao Fan
  • Naixue Xiong

Abstract

In order to solve the problem of large signal acquisition error caused by radio wave multipath effect in indoor environment, firstly, the signal source carried on the motion platform is collected for spectrum signal, and the signal processed by wavelet threshold denoising algorithms extracted and stored for spectrum feature extraction. Then, after data training and identification, the signal source is input into the system in random mode for identification. The experimental results show that the improved fuzzy clustering algorithm (FCA) is 12.7% higher than the spectrum envelope extraction method (SEEM) in the recognition rate of spectrum characteristics of different modes of signal source.

Suggested Citation

  • Yunfei Chen & Yang Liu & Xintao Fan & Naixue Xiong, 2021. "Research on Spectrum Feature Identification of Indoor Multimodal Communication Signal," Advances in Mathematical Physics, Hindawi, vol. 2021, pages 1-9, November.
    • Handle: RePEc:hin:jnlamp:7913666
    DOI: 10.1155/2021/7913666
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