Vlad Popescu

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This work presents a novel approach to the reduction of Peak-to-Average Power Ratio (PAPR) in multicarrier modulation: Partial Transmit Sequence (PTS) is optimized by opportune tailored Genetic Algorithms (GA) which allow achieving solution with pre-selected accuracy and reduced computational burden. A comparative study on both Orthogonal Frequency Division(More)
Inertial navigation systems (INS) are aimed at supporting the navigation of objects and/or users making use of a computer equipped with motion (accelerometers) and rotation (gyroscopes) sensors to continuously calculate their motion and position. These are quite useful when the GPS signal is not available, such as in indoor scenarios. Thanks to the(More)
Prevalence and mortality make cancer a health challenge in need of effective and better tolerated therapeutic approaches, with tumor angiogenesis identified as a promising target for drug development. The epoxygenase products, the epoxyeicosatrienoic acids, are pro-angiogenic, and down-regulation of their biosynthesis by peroxisomal proliferator-activated(More)
Within the scenario of the proliferation of smart vehicles, a novel tendency is to exploit the cooperation between vehicles to create vehicular ad-hoc networks (VANETs) using the IEEE 802.11p standard. IEEE 802.11p includes Dedicated Short Range Communications (DSRC) between high-speed vehicles and between the vehicles and the roadside infrastructure in the(More)
We demonstrate a novel method to reliably generate collision avoidance advisories, in piloted simulations, by the widely used traffic alert and collision avoidance system (TCAS). The TCAS advisory issued to a pilot is highly sensitive to the trajectory of an intruder aircraft relative to the ownship flown by the pilot. In realistic piloted simulations, a(More)
The Traffic alert and Collision Avoidance System (TCAS) is often framed as separate to -or opposing -air traffic control, i.e. as a backup, redundant system that invokes resolution advisories (RAs) when all other methods of separation assurance fail. A flight simulator experiment examined pilot interaction with TCAS in the context of a full air traffic(More)