Computationally efficient millimeter-wave backscattering models: A single-scattering model

Adrian Lahuerta-Lavieja (Corresponding author), Martin Johansson, Ulf Gustavsson, Thomas A.H. Bressner, Guy A.E. Vandenbosch

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

The use of millimeter-wave (mm-wave) frequency bands for fifth-generation (5G) cellular mobile communications has led to intense interest from academia and industry over these spectrum resources. Despite extensive measurement campaigns and channel modeling efforts, there is a lack of deterministic backscattering models addressing the impact of the size and orientation of static scatterers on the radio channel. In this article, two 3-D computationally efficient models for calculating backscattering based on the Fresnel integrals and the error function are proposed and validated both against simulations and measurements. In addition, applying the same methodology, state-of-the-art mm-wave blockage (forward-scattering) models are modified to capture backscattered fields. Furthermore, both the introduced and the modified models preserve the structure of geometry-based stochastic channel models (GSCMs) and thus their implementation in system-level simulators is substantially beneficial due to their good accuracy and short computation time.

Original languageEnglish
Article number9066895
Pages (from-to)6306-6316
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Volume68
Issue number8
DOIs
Publication statusPublished - Aug 2020

Keywords

  • backscattering
  • channel model
  • computational complexity
  • diffraction
  • error function
  • Fifth-generation (5G) mobile communication
  • Fresnel integral
  • millimeter wave (mm-wave) propagation

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