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A Nonparametric SVM-Based REM Recapitulation Assisted by Voluntary Sensing Participants under Smart Contracts on

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  • 1Department of Information and Telecommunication Engineering, Soongsil University, Seoul 06978, Korea.

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Summary

This study introduces a blockchain-based system for secure spectrum sharing, ensuring no harmful interference. It uses Support Vector Machine-based Kriging interpolation for accurate radio environment mapping with limited data.

Keywords:
Kriging interpolationSupport Vector Machineblockchainradio environment mapsmart contractspectrum sharing

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Area of Science:

  • Wireless communication
  • Spectrum management
  • Blockchain technology

Background:

  • Accurate Received Signal Strength (RSS) measurements are crucial for spectrum sharing.
  • Empirical RSS measurements across entire regions are impractical.
  • Existing Kriging interpolation methods have limitations in accurately estimating radio environments.

Purpose of the Study:

  • To propose a blockchain-based automated frequency coordination system (BAFCS) for secure and reliable spectrum sharing.
  • To develop a method for accurate radio environment map (REM) recapitulation using limited RSS measurements.
  • To ensure spectrum sharing decisions do not cause harmful interference to incumbent systems.

Main Methods:

  • Implementation of a blockchain network for secure information exchange and consensus-based approval.
  • Development of Support Vector Machine (SVM)-based Kriging interpolation for REM.
  • Utilizing a nonparametric modeling approach for variograms.

Main Results:

  • The proposed BAFCS enables consensus-based approval for spectrum sharing.
  • The system ensures secure transaction of information over the blockchain.
  • Simulation results confirm the effectiveness and superiority of BAFCS in preventing harmful interference.

Conclusions:

  • The BAFCS provides a secure, reliable, and efficient solution for automated frequency coordination.
  • SVM-based Kriging interpolation effectively reconstructs the radio environment map from partial data.
  • The proposed system facilitates confident decision-making for spectrum sharing.