5G Millimeter-Wave NLOS Coverage Using Specular Building Reflections

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Abstract

Maximization of 5G millimeter-wave base station coverage and range is important to reduce the number of required base stations. Buildings could be used as reflectors to provide coverage in NLOS areas due to their high reflectivity at millimeter-waves. This paper presents the results of a measurement campaign investigating specular reflections from buildings at 24.00-24.25 GHz. The angle of minimum path loss for single-building reflections agrees well with the direction of the specular path. This agreement is less accurate in case of a double-building reflection, possibly due to obstructions in the specular path or multipath fading. In case of a single-building reflection, 1-9 dB excess loss compared to free-space path loss is measured. The excess loss is in the range of 9-20 dB for a double-building reflection. Although more research on this topic is required, these results are promising and indicate that buildings can be used as effective millimeter-wave reflectors.

Original languageEnglish
Title of host publication14th European Conference on Antennas and Propagation, EuCAP 2020
PublisherInstitute of Electrical and Electronics Engineers
Number of pages5
ISBN (Electronic)9788831299008
DOIs
Publication statusPublished - Mar 2020
Event14th European Conference on Antennas and Propagation, EuCAP 2020 - Copenhagen, Copenhagen, Denmark
Duration: 15 Mar 202020 Mar 2020
Conference number: 14
https://www.eucap2020.org/

Conference

Conference14th European Conference on Antennas and Propagation, EuCAP 2020
Abbreviated titleEuCAP 2020
CountryDenmark
CityCopenhagen
Period15/03/2020/03/20
Internet address

Keywords

  • 5G
  • measurements
  • millimeter-wave
  • propagation
  • reflection

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  • Cite this

    Schulpen, R., Bronckers, L. A., Smolders, A. B., & Johannsen, U. (2020). 5G Millimeter-Wave NLOS Coverage Using Specular Building Reflections. In 14th European Conference on Antennas and Propagation, EuCAP 2020 [9136044] Institute of Electrical and Electronics Engineers. https://doi.org/10.23919/EuCAP48036.2020.9136044