CEA Leti offers a PhD topic to develop new electronically scanning antennas for efficient data transmission in satellite communications (Satcom). Novel efficient electronically scanning antennas are essential for future satellite communications (Satcom). Electronically reconfigurable flat lens antennas, also known as transmitarrays, are a promising architecture to achieve high scanning performance. Each element of the flat...

Learn more Apply

Error correction coding (ECC) has an essential role in ensuring integrity of data in numerous applications, including data storage, transmission, and networking. Over the last few years, new interactions emerged between coding theory and machine learning, seen as a promising way to overcome the limitations of existing ECC solutions at short to medium code-lengths. For...

Learn more Apply

Would you like to play a part in the future of optical transmission for high-speed communications? This PhD will play a key role, focusing on performance and energy efficiency, with a particular focus on encouraging the emergence of optical solutions with low carbon costs and low dependence on rare materials. The field of non-coherent optical...

Learn more Apply

This research is part of an effort to reduce the energy consumption and carbon footprint of future wireless systems by investigating innovative transmitter (TX) architectures with improved energy efficiency. Objective of the thesis is to elaborate a novel TX architecture for beyond 5G and 6G standards. Efficiency enhancement design techniques such as supply modulation or...

Learn more Apply

Research at CEA-Leti has highlighted the need for miniaturised antennas as a significant factor in promoting them to the scientific and industrial communities. Among the many types of antenna available, a number are designed to use materials that can be artificially manipulated to provide RF characteristics to the immediate surrounding environment (metamaterials). These materials can...

Learn more Apply

Our objective is to detect and locate drones entering an urban area to be protected by observing the signals emitted by cellular stations. Studies have shown that it is possible to locate a drone if it is close to the listening system and the cellular station (i.e. the base station). When the situation is more...

Learn more Apply

In modern communications, and especially in IoT domain with massive deployment constraints, power consumption and cost are constantly push to lower limits. In same time, sustainable solutions are recently investigate for next IoT devices generations for eco-design approach and maintenance-free aspects saving costs. To improve communication efficiency without requiring active RF transmission, RFID technics could...

Learn more Apply

Transmission security is a major concern in an increasingly connected world, where electronic devices play a central role in our daily lives. Rapid technological advances have led to a growing dependence on connected objects, from smartphones to medical devices to autonomous vehicles. This issue is also reflected in global geopolitics, with various attempts to intimidate...

Learn more Apply

The ever-increasing demand for data traffic pushes communication systems to upgrade, networks to densify and thus being more and more power-hungry. How to satisfy this need of high connectivity while limiting the carbon footprint of telecommunication systems? To this end, the combination of the rise in frequency into the upper spectrum (mmWave/sub-Thz) and hybrid (analog/digital)...

Learn more Apply

The PhD thesis here proposed is in the field of channel propagation modeling for wireless communication and sensing systems. Over-the-air (OTA) radiated testing is conducted without the need for a radio frequency (RF) cable connection to the Device Under Test (DUT), ensuring that the DUT remains intact and unaltered during testing.quot; Efficient beamforming and management...

Learn more Apply

Clouds are constituted of servers interconnected via the Internet, on which systems can be implemented, making use of applications and databases deployed on the servers. Cloud-based computing is gaining in popularity, and that includes the context of critical systems. As a result, it is useful to define formal frameworks for reasoning about cloud-based systems. One...

Learn more Apply

The proposed PhD study focuses on the integration of sensing and communication (ISAC) functionalities in next-generation wireless networks. According to this new ISAC paradigm, communication networks should be “spatially aware”, i.e. capable of autonomously retrieving information regarding their operating context and/or physical environment, such as the positions/velocity of end-user terminals and non-connected objects, the room...

Learn more Apply

This thesis is an opportunity to participate in the development of future telecommunications systems in the 10-15 GHz band, in partnership with the best research centers in Europe working on the subject. Over the past 20 years, wireless communications systems have continued to evolve and offer new services. Today, such is their success that frequency...

Learn more Apply

Communication networks are experiencing an exponential growth both in terms of deployment of network infrastructures (particularly observed in the gradual and sustained evolution towards 6G networks), but also in terms of machines, covering a wide range of devices ranging from Cloud servers to lightweight embedded IoT components (e.g. System on Chip: SoC), and including mobile...

Learn more Apply

This thesis addresses the two major challenges facing Europe today in terms of integrating the communication systems of the future. The aim is to design RF integrated circuits using 22nm FDSOI technology in the frequency bands dedicated to 6G, which will not only increase data rates but also reduce the carbon footprint of telecoms networks....

Learn more Apply

Antenna radiation control in terms of shape and polarization is a key element for future communication systems. Directive compact antennas offer new opportunities for wireless applications in terms of spatial selectivity and filtering. This leads to a reduction in electromagnetic pollution by mitigating interferences with other communication systems and reducing battery consumption in compact smart...

Learn more Apply