Mickaël Dardaillon

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Seasonal habitat selection and use by wild boars were studied in relation to major vegetation cover types and flooded areas, on a sampling area of 1047 ha. Six habitat types were delineated: "sansouire" (local name), "enganes" (local name), halophytic grasslands, scrub grasslands, deep and shallow marshes, fallow or cultivated farmlands. Once a season in(More)
In this paper we present a survey of existing prototypes dedicated to software defined radio. We propose a classification related to the architectural organization of the prototypes and provide some conclusions about the most promising architectures. This study should be useful for cognitive radio testbed designers who have to choose between many possible(More)
Efficient programming of signal processing applications on embedded systems is a complex problem. High level models such as Synchronous dataflow (SDF) have been privileged candidates for dealing with this complexity. These models permit to express inherent application parallelism, as well as analysis for both verification and optimization. Parametric(More)
Software defined radio (sdr) technology has evolved rapidly and is now reaching market maturity, providing solutions for cognitive radio applications. Still, a lot of issues have yet to be studied. In this paper, we highlight the constraints imposed by recent radio protocols and we present current architectures and solutions for programming sdr. We also(More)
In this paper, we explore new area/throughput tradeoffs for the Girault, Poupard and Stern authentication protocol (GPS). This authentication protocol was selected in the NESSIE competition and is even part of the standard ISO/IEC 9798. The originality of our work comes from the fact that we exploit a fixed key to increase the throughput. It leads us to(More)
The advent of portable software-defined radio (<scp>sdr</scp>) technology is tightly linked to the resolution of a difficult problem: efficient compilation of signal processing applications on embedded computing devices. Modern wireless communication protocols use packet processing rather than infinite stream processing and also introduce dependencies(More)
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