Analytical and experimental performance evaluation of antenna misalignment in Ka-band wireless links

Sebastián Rodríguez (Corresponding author), Antonio Jurado-Navas, Juan José Vegas Olmos, Idelfonso Tafur Monroy

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

In this paper, we propose a model for the effect of misalignment of antennas due to mechanical vibrations and experimentally validate its accuracy in a Ka-band (26-40 GHz) transmission link. Our approach provides a valuable tool that is analytically tractable and physically simple to implement. To highlight the applicability of the model, a setup based on a centralized radio access network (C-RAN) transmitting and receiving wireless signals in the Ka-band is implemented. With this tool, the robustness of 5G networks to antenna misalignments can be evaluated in terms of bit-error rate. We show how the presence of misalignment in this type of systems induces an error floor observable in the bit-error-rate performance. A simple static decision threshold is implemented taking into account the amount of displacement and, directly related to that factor, on the expected number of fades per unit time. The closed-form expressions derived through this paper are in perfect agreement with the experimental measurements taken from the implemented system.

LanguageEnglish
Pages564-577
Number of pages14
JournalMobile Networks and Applications
Volume24
Issue number2
DOIs
StatePublished - 15 Apr 2019

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Bit error rate
Telecommunication links
Antennas

Keywords

  • Directive antennas
  • Millimeter wave propagation
  • Mobile communication
  • Modeling

Cite this

Rodríguez, Sebastián ; Jurado-Navas, Antonio ; Olmos, Juan José Vegas ; Monroy, Idelfonso Tafur. / Analytical and experimental performance evaluation of antenna misalignment in Ka-band wireless links. In: Mobile Networks and Applications. 2019 ; Vol. 24, No. 2. pp. 564-577
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Analytical and experimental performance evaluation of antenna misalignment in Ka-band wireless links. / Rodríguez, Sebastián (Corresponding author); Jurado-Navas, Antonio; Olmos, Juan José Vegas; Monroy, Idelfonso Tafur.

In: Mobile Networks and Applications, Vol. 24, No. 2, 15.04.2019, p. 564-577.

Research output: Contribution to journalArticleAcademicpeer-review

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