From Design to Validation: Preparing a LEO-Capable UE for End-to-End System Evaluation
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866915846209667072 |
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| author | Giuliani, Amedeo Henarejos, Pol Mozo, Erislandy Caus, Màrius Gallego, Miguel Ángel Solis García, Jaime Suárez Othman, Rami Tallon, Justin |
| author_facet | Giuliani, Amedeo Henarejos, Pol Mozo, Erislandy Caus, Màrius Gallego, Miguel Ángel Solis García, Jaime Suárez Othman, Rami Tallon, Justin |
| contents | The extension of 5G connectivity through Low-Earth Orbit satellite systems introduces significant technical challenges, particularly due to time-varying propagation delays and high Doppler shifts resulting from satellite motion. While the Third Generation Partnership Project Release 17 established the initial framework for non-terrestrial networks, the ongoing developments in Release 19 further enhance this effort by introducing support for regenerative payload architectures, where part of the communication protocol stack is processed directly on board the satellite. In this work, we present the design of a 5G user equipment adapted for Low-Earth Orbit satellite connectivity, with specific focus on strategies for managing variable delay and Doppler compensation. Additionally, we describe a custom experimental platform based on a drone-mounted software-defined radio platform capable of emulating both transparent and regenerative satellite payloads. Although full end-to-end system validation is not yet complete, initial laboratory tests confirm the feasibility of the architecture and lay the groundwork for future experimental campaigns. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_08229 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | From Design to Validation: Preparing a LEO-Capable UE for End-to-End System Evaluation Giuliani, Amedeo Henarejos, Pol Mozo, Erislandy Caus, Màrius Gallego, Miguel Ángel Solis García, Jaime Suárez Othman, Rami Tallon, Justin Signal Processing The extension of 5G connectivity through Low-Earth Orbit satellite systems introduces significant technical challenges, particularly due to time-varying propagation delays and high Doppler shifts resulting from satellite motion. While the Third Generation Partnership Project Release 17 established the initial framework for non-terrestrial networks, the ongoing developments in Release 19 further enhance this effort by introducing support for regenerative payload architectures, where part of the communication protocol stack is processed directly on board the satellite. In this work, we present the design of a 5G user equipment adapted for Low-Earth Orbit satellite connectivity, with specific focus on strategies for managing variable delay and Doppler compensation. Additionally, we describe a custom experimental platform based on a drone-mounted software-defined radio platform capable of emulating both transparent and regenerative satellite payloads. Although full end-to-end system validation is not yet complete, initial laboratory tests confirm the feasibility of the architecture and lay the groundwork for future experimental campaigns. |
| title | From Design to Validation: Preparing a LEO-Capable UE for End-to-End System Evaluation |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2603.08229 |