Spectrum Occupancy Prediction for Realistic Traffic Scenarios: Time Series versus Learning-based Models

  • Anirudh Agarwal
  • Aditya S. Sengar
  • Ranjan Gangopadhyay
Research paper
  • 19 Downloads

Abstract

Spectrum occupancy information is necessary in a cognitive radio network (CRN) as it helps in modeling and predicting the spectrum availability for efficient dynamic spectrum access (DSA). However, in a CRN, it is difficult to ascertain a priori the pattern of the spectrum usage of the primary user due to its stochastic behavior. In this context, the spectrum occupancy prediction proves to be very useful in enhancing the quality of experience of the secondary user. This paper investigates the practical prowess of various time-series modeling approaches and the machine learning (ML) techniques for predicting spectrum occupancy, based on a spectrum measurement campaign conducted in Jaipur, Rajasthan, India. Moreover, the comparison analysis conducted between the above two approaches highlights the trade-off in terms of the respective performance depending upon the nature of the spectrum occupancy data. Nevertheless, prediction through ML-based recurrent neural network proves to perform reasonably well, thereby providing an accurate future spectrum occupancy information for DSA.

Keywords

machine learning time-series models spectrum occupancy prediction dynamic spectrum access 

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Copyright information

© Posts & Telecom Press and Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Anirudh Agarwal
    • 1
  • Aditya S. Sengar
    • 1
  • Ranjan Gangopadhyay
    • 1
  1. 1.The LNM Institute of Information TechnologyJaipurIndia

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