Wireless communications, ad-hoc and sensor networks, distributed
signal processing, tracking in ad-hoc and wireless sensor networks,
cognitive radio networks, satellite communications, synchronization
techniques for digital receivers, satellite navigation, optical wireless communications.
Analysis of the state of the art of satellite communications
techniques and systems. Cognitive radio techniques to improve
spectrum efficiency for satellite communications : to implement
novel signal processing techniques that are channel-aware and
cognitive.
To formulate the problem of spectrum sensing in energy efficient
cognitive radio networks and describe the basic techniques that may
be employed for energy efficient detection of the primary signal.
Algorithms for the implementation of energy efficient spectrum
sensing in cognitive radio networks: energy-efficient metrics and
collaborative techniques.
Analysis of parameter estimation techniques in the forward link
of a multibeam DVB- S2 satellite system. Formulation of the problem
of synchronization in satellite systems and then implementation of
a pilot-aided technique adopting multiuser detection techniques.
Assessment of the benefits by means of theoretical tools and
numerical simulation in scenarios set ups characterized by
increasing complexity and adherence to the actual working
conditions of future systems, e.g., from AWGN channels to highly
non linear mobile interference limited channels.
