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Coverage Analysis of mmWave and THz-Enabled Aerial and Terrestrial Heterogeneous Networks

Research output: Contribution to journalJournal articlepeer-review

E-pub ahead of print
  • A.A. Raja
  • H. Pervaiz
  • S.A. Hassan
  • S. Garg
  • M.S. Hossain
  • M.J. Piran
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<mark>Journal publication date</mark>24/06/2021
<mark>Journal</mark>IEEE Transactions on Intelligent Transportation Systems
Number of pages14
Publication StatusE-pub ahead of print
Early online date24/06/21
<mark>Original language</mark>English

Abstract

Heterogeneous networks (HetNets) are becoming a promising solution for future wireless systems to satisfy the high data rate requirements. This paper introduces a stochastic geometry framework for the analysis of the downlink coverage probability in a multi-tier HetNet consisting of a macro-base station (MBS) operating at sub-6 GHz, millimeter wave (mmWave)-enabled unmanned aerial vehicles (UAVs) operating at 28 GHz, and small BSs operating both at mmWave and THz frequencies. The analytical expressions for the coverage probability for each tier have been derived in the paper. Monte Carlo simulations are then performed to validate the analytical expressions. The effectiveness of the HetNet is analyzed on various performance metrics including association and coverage probabilities for different network parameters. We show that the mmWave and THz-enabled cells provide significant improvement in the achievable data rates because of their high available bandwidths, however, they have a degrading effect on the coverage probability due to their high propagation losses.