This book constitutes the proceedings of the International Conference on Personal Satellite Services (PSATS 2009) in Rome, Italy in March 2009.
The 17 papers papers demonstrate recent advances in Internet applications over satellites, satellites technologies, and future satellite location-based systems.

Analysing the Orbital Movement and Trajectory of LEO (Low Earth Orbit) Satellite Relative to Earth Rotation.- A Cross-Layer PEP for DVB-RCS Networks.- Triple Play over Satellite, Ka-Band Making the Difference.- Time Scheduling Based on Tradeoff between Detection Performance and QoS Requirement.- Study of the Quantum Channel between Earth and Space for Satellite Quantum Communications.- Spectral Analysis of Experimental Ka-Band Propagation Measurements over the Australian LEO Microsatellite 'FedSat'.- Satellite Broadband Revolution: How Latest Ka-Band Systems Will Change the Rules of the Industry. An Interpretation of the Technological Trajectory.- Performance Enhanced Proxy Solutions for Satellite Networks: State of the Art, Protocol Stack and Possible Interfaces.- PEPsal Performance Analysis on Disruptive Radio Channels.- PEP Deployment and Bandwidth Management Issues.- High Altitude Platforms: Radio Resource Management Policy for MBMS Applications.- Frequency Tracking Performance Using a Hyperbolic Digital-Phase Locked Loop for Ka-Band Communication in Rain Fading Channels.- Design and Implementation of P2P Streaming Systems for Webcast.- Comparisons on Performances in MIMO Systems under Different Propagation Environments.- Combined Congestion Control and Link Selection Strategies for Delay Tolerant Interplanetary Networks.- Broadband Satellite Multimedia (BSM) Security Architecture and Interworking with Performance Enhancing Proxies.- A Satellite-Based Infrastructure Providing Broadband IP Services on Board High Speed Trains.