Beacon based uplink transmission for lorawan direct to satellite internet of things
Mohammad Al Mojamed

TL;DR
This paper introduces BU LoRaWAN, a beacon-based uplink scheme for satellite IoT communication that improves efficiency and doubles traffic capacity compared to standard LoRaWAN, enabling better connectivity in remote areas.
Contribution
It proposes a novel beacon-based uplink synchronization method for LoRaWAN devices communicating with LEO satellites, enhancing network performance and collision avoidance.
Findings
BU LoRaWAN nearly doubles traffic capacity compared to standard LoRaWAN.
The system effectively synchronizes uplink transmissions with satellite gateways.
Simulation results demonstrate the feasibility and improved performance of the proposed scheme.
Abstract
Direct-to-satellite IoT DtS IoT communication structure is a promising solution to provide connectivity and extend the coverage of traditional low-power and long-range technologies, especially for isolated and remote areas where deploying traditional infrastructure is impracticable. Despite their bounded visibility, the Low Earth Orbit LEO satellites complement the terrestrial networks, offering broader gateway coverage and terrestrial network traffic offloading. However, the dynamics of LEO and the nature of such integration come with several challenges affecting the efficacy of the network. Therefore, this paper proposes Beacon based Uplink LoRaWAN BU LoRaWAN to enhance satellite-terrestrial communication efficiency. The proposed scheme exploits the LoRaWAN class B synchronization mechanism to provide efficient uplink transmission from LoRaWAN devices placed on the ground to satellite…
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