Serial interference cancellation for improving uplink in LoRa-like networks | Tesfay, Angesom Ataklity
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Serial interference cancellation for improving uplink in LoRa-like networks

Archive ouverte : Communication dans un congrès

Tesfay, Angesom Ataklity | Simon, Eric, | Ferré, Guillaume | Clavier, Laurent

Edité par HAL CCSD ; IEEE

International audience. 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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