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Communication Dans Un Congrès Année : 2020

Serial interference cancellation for improving uplink in LoRa-like networks

Résumé

In this paper, we present a new receiver design, which significantly improves performance in the Internet of Things networks such as LoRa, i.e., having a chirp spread spectrum modulation. The proposed receiver is able to demodulate multiple users simultaneously transmitted over the same frequency channel with the same spreading factor. From a non-orthogonal multiple access point of view, it is based on the power domain and uses serial interference cancellation. Simulation results show that the receiver allows a significant increase in the number of connected devices in the network.

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Dates et versions

hal-03270084 , version 1 (24-06-2021)

Identifiants

  • HAL Id : hal-03270084 , version 1

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Angesom Ataklity Tesfay, Eric Pierre Simon, Guillaume Ferré, Laurent Clavier. Serial interference cancellation for improving uplink in LoRa-like networks. 31st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC), Aug 2020, London, United Kingdom. 6 p. ⟨hal-03270084⟩
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