Projet de recherche doctoral numero :4507


Date depot: 1 janvier 1900
Titre: Simultaneous multi-standard SDR platform
Directeur de thèse: Florian KALTENBERGER (Eurecom)
Domaine scientifique: Sciences et technologies de l'information et de la communication
Thématique CNRS : Non defini

Resumé: Software Defined Radio (SDR) has been a promising concept for many years. Finding its use mostly in military applications, it is getting closer everyday to devices, with SDR showing its face in consumer mobile applications (i.e. nVidia i500 SDR modem). Siemens has identified SDR as the future of wireless communication, but research is required to bring the current reality of SDR to the next level. The focus of the work will be entirely on commercial off-the-shelf hardware (COTS); no hardware design will be made. Using such existing hardware the final milestone would be to implement a SDR platform, which is able to receive and transmit different radio standards simultaneously. If the radio standards work on the same frequency band, they will use the same frontend, also simultaneously. However, to be able to implement such a platform, there are still many open questions, which will need to be answered during the research project. One problem which has already been identified is that, in order to receive simultaneous signals from two devices using one frontend (with one AGC), one signal may be significantly louder than the other, which would require higher resolution ADCs. Also, new architecture concepts have to be defined. Part of the research will concentrate on separating and potentially parallelizing the steps of the signal processing, some of which may be offloaded to other processing units, if there are any. The architecture and the concepts developed will need to be flexible enough so that they are not dependent on a specific hardware manufacturer and model. Our vision is one platform that can speak many radio protocols simultaneously, and is extendable over software. The specific hardware, its cost and capacity are of less importance to us at the moment, as we don’t expect to make it into a product in the next 3 years.

Doctorant.e: Kumar Sumit