Calibration of Stochastic Radio Propagation Models Using Machine Learning

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Abstract

This letter proposes a machine learning based method for the calibration of stochastic radio propagation models. Model calibration is cast as a regression problem involving mapping of the channel transfer function or impulse response to the model parameters. A multilayer perceptron is trained with summary statistics computed from synthetically generated channel realizations using the model. To calibrate the model, the trained network is used to estimate the model parameters from channel statistics obtained from measurements. The performance of the proposed method is evaluated with propagation graph and Saleh-Valenzuela models using both simulated data and in-room channel measurements. Results show accurate estimation of the parameters of both models.
Original languageEnglish
Article number8845682
JournalI E E E Antennas and Wireless Propagation Letters
Volume18
Issue number12
Pages (from-to)2538-2542
Number of pages5
ISSN1536-1225
DOIs
Publication statusPublished - Dec 2019

Keywords

  • Calibration
  • Saleh-Valenzuela model
  • machine learning
  • measurements
  • neural networks
  • propagation graph

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