Thales est un leader mondial des hautes technologies spécialisé dans trois secteurs d’activité : Défense & Sécurité, Aéronautique & Spatial, et Cyber & Digital. Il développe des produits et solutions qui contribuent à un monde plus sûr, plus respectueux de l’environnement et plus inclusif. Le Groupe investit près de 4 milliards d’euros par an en Recherche & Développement, notamment dans des domaines clés de l’innovation tels que l’IA, la cybersécurité, le quantique, les technologies du cloud et la 6G. Thales compte près de 81 000 collaborateurs dans 68 pays.
Nos engagements, vos avantagesUne réussite portée par notre excellence technologique, votre expérience et notre ambition partagée
Un package de rémunération attractif
Un développement des compétences en continu : parcours de formation, académies et communautés internes
Un environnement inclusif, bienveillant et respectant l’équilibre des collaborateurs
Un engagement sociétal et environnemental reconnu
The growing demand for wireless connectivity is driving increasing pressure on the radio frequency spectrum, leading to the need for more efficient spectrum use and coexistence strategies between different services. An immediate concern arises in the coordination between heritage Geostationary Satellite Orbit and the rapidly growing Low Earth Orbit constellations operating at the same frequency band. Looking ahead, an emerging research area focuses on frequency sharing between terrestrial mobile services (such as 5G and future 6G networks) and mobile satellite services (MSS), which operate in overlapping or adjacent frequency bands.
This topic explores how these systems can coexist without harmful interference, enabling both to deliver high-performance communication capabilities. It involves studying propagation characteristics, interference management, dynamic spectrum access, and coordination mechanisms between ground and space segments to ensure reliable, efficient, and equitable spectrum utilization in an increasingly congested radio environment. These aspects have been the focus of both emerging regulation as week as research. Regulators, such as the ITU and national spectrum authorities, are developing frameworks that support dynamic and coordinated spectrum use across satellite and terrestrial networks. On the research side, stateof-the-art efforts are focusing on interference modelling, cognitive radio techniques, and advanced beamforming and power control algorithms to enable real-time coexistence between terrestrial and satellite systems. Emerging studies also explore the use of artificial intelligence and machine learning for adaptive spectrum management, as well as network access and optimization across space and ground segments.
The project will include the following core activities:
1. Identify an emerging use case where frequency coordination across satellite and terrestrial networks is emerging as a priority
2. Develop a modelling framework for the associated use case that enables to predict interference
3. Investigate interference management techniques across radio, digital and network technologies
Research field:
• Telecommunication engineering
• Electrical engineering
• Aerospace engineering
Required skills:
• Orbital analysis
• Wireless communication systems
• Numerical simulation programming (Matlab)
The Thesis will include 18 months at Thales Alenia Space in Toulouse, followed by 18 months at the Heriot-Watt University, United Kingdom, Edinburgh, and than a 6 months secondement University of the Bundeswehr Munich, Germany.
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What We Do
Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in the defence, aeronautics, space, transportation and digital identity and security markets to fulfil their critical missions, by placing humans at the heart of the decision-making process.
