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\begin{document}

\title{A Cloud RAN Architecture for LoRa}



\author[1]{Christophe Delacourt }%
\author[1]{Patrick Savelli }%
\author[2]{Vincent Savaux }%
\affil[1]{Affiliation not available}%
\affil[2]{b<>com}%


\vspace{-1em}



  
  \date{May 23, 2024}


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\begin{abstract}
This paper deals with a cloud radio access network (CRAN)\\
architecture for the LoRa system. In the suggested design,\\
the gateway embeds a limited remote radio head (RRH),\\
including the analog radio-frequency (RF) analog part, the\\
digital-to-analog and analog-to-digital conversion, and a\\
digital front-end (DFE). The other LoRa network functions,\\
including the physical (PHY) layer, the LoRaWAN medium\\
access control (MAC) layer, and the application and customer\\
servers are implemented as cloud resources. The\\
presented approach leads to a flexible RAN that is robust\\
to the variations of capacity needs. Furthermore, it allows\\
us to test very specific LoRa features, such as the detection\\
or demodulation, while bypassing the other ones including\\
the hardware RRH. The methodology and tools we\\
used to deploy a LoRa cloud RAN are detailed, and results\\
concerning the performance indicator (CPU load, memory\\
consumption) are provided as well.%
\end{abstract}%



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