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) MIMO architectures has emerged from recent research topics. However, with the rise in frequency and bandwidth enlargement, unwanted effect, such as beam squinting, appears and limits the performance of communication systems. Their characterisation and compensation is a trendy topic with a growing number of scientific publications.
The proposed thesis subject aims at first properly modelling to propose innovative compensation techniques. In a second time, we will investigate the possibilities to control side beams for tracking or sensing purposes. The proposed study is on the border between antenna design and digital signal processing. Pioneering antenna systems and innovative signal processing modules will be considered.

At Grenoble (France), we are about to join a dynamic “Telecom” team with a large set of competences ranging from propagation analysis, RF circuit and antenna design and modem/DSP specifications and optimisations. Beside, the thesis is 100% funded by “France 2030” and the national research program “PEPR-Réseaux du futur” which gives the ph.d students the chance to share and present their results to major French research laboratories. The position is available for autumn 2024.