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A Cloud RAN Architecture for LoRa

Christophe Delacourt Patrick Savelli Vincent Savaux 1, 2
1 Advanced Connectivity
Network and Security
2 Network interfaces
Network - Domaine Network (IRT b<>com)
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.
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Contributor : Vincent Savaux <>
Submitted on : Monday, April 27, 2020 - 4:29:31 PM
Last modification on : Thursday, February 4, 2021 - 11:20:49 AM


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  • HAL Id : hal-02555897, version 1


Christophe Delacourt, Patrick Savelli, Vincent Savaux. A Cloud RAN Architecture for LoRa. Radio Science Letters, Allen Press, 2020. ⟨hal-02555897⟩



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