91 results found

[Thesis]

Security of wireless transmissions for the internet of things

Offer N°: SL-DRT-15-0940

Start date: 1 Oct 2015

The Internet of Things is the interconnection of uniquely identifiable embedded computing devices within the existing Internet infrastructure. Among the many existing applications, we are interested in sensor networks than target security sensitive facilities(e.g. power plant, water/gas/electric distribution network). For these applications, the robustness of a wireless link against jamming can be a strong requirement.



[Thesis]

Van der Waals epitaxy of GaN on graphene for LEDs applications

Offer N°: SL-DRT-15-0773

Start date: 1 Sep 2015

One of the major obstacles to realizing various kinds of epitaxial heterostructure is the lattice matching between constituent materials. The lattice-matching condition, however, has been found to be drastically relaxed when the epitaxial growth proceeds with van der Walls interactions. Due to the weak interaction, an epilayer grows from the beginning with its own lattice constant forming an interface with only a small amount of defects.



[Thesis]

Signal processing for multimode multicomponent respiratory gases analysis using microsensors

Offer N°: SL-DRT-15-0607

Start date: 1 Oct 2015

Les techniques d'analyse de la respiration offrent de nouvelles perspectives dans le domaine du diagnostic et du suivi des patients à risque.



[Thesis]

Design of super directive compact antennas with beam-steering capabilities

Offer N°: SL-DRT-15-0550

Start date: 1 Oct 2015

Directive compact antennas offer new opportunities for wireless applications in terms of spectral efficiency, reduced environmental impact and use modes. However, the conventional techniques for enhancing the directivity often lead to a significant increase of the antenna size. Consequently, the integration of directional antennas in small wireless devices is limited.



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