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\begin{document}

\title{Extended Walfisch-Bertoni Propagation Model to cover Short Range and
Millimeter-wave bands}



\author[1]{Wataru Yamada}%
\author[1]{Motoharu Sasaki}%
\author[1]{Naoki Kita}%
\affil[1]{NTT Corporation}%


\vspace{-1em}



  
  \date{May 27, 2024}


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\begin{abstract}
Extending the frequency range of the Walfisch-Bertoni (W-B) model, which
is a representative theoretical model, was investigated. To extend the
W-B model, three changes to the original W-B model were made: (i)
re-modeling over rooftop path, (ii) introducing a slant path, and (iii)
modeling of multiple reflections between buildings. To validate the
proposed model, propagation loss predicted by the model was compared
with measurement data. The results of the comparison show that
propagation loss predicted by the proposed model agrees well with the
measurement results.%
\end{abstract}%



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