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Communication Dans Un Congrès Année : 2021

Uplink Transmission Probability Functions for LoRa-Based Direct-to-Satellite IoT: A Case Study

Résumé

Direct-to-Satellite IoT allows devices on the Earth surface to directly reach Low-Earth Orbit (LEO) satellites passing over them. Although an appealing approach towards a truly global IoT vision, scalability issues as well as highly dynamic topologies ask for dedicated protocol adaptations supported by novel models. This paper contributes to this research by introducing estimators and a transmission probability function to dynamically control the contending set of devices on a framed slotted Aloha model compatible with the LoRaWAN specification. In particular, we discuss techniques that account for particularities in the dynamics of sparse DtS-IoT constellations. Simulation analyses of a realistic case study show that >86% of the theoretical throughput is achievable in practice.
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Dates et versions

hal-03494140 , version 1 (18-12-2021)

Identifiants

  • HAL Id : hal-03494140 , version 1

Citer

Kai Vogelgesang, Juan Andrés A Fraire, Holger Hermanns. Uplink Transmission Probability Functions for LoRa-Based Direct-to-Satellite IoT: A Case Study. GLOBECOM 2021 - IEEE Global Communications Conference, Dec 2021, Madrid, Spain. pp.1-6. ⟨hal-03494140⟩
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