Wireless communication is used in many different situations such as mobile telephony, radio and TV broadcasting, satellite communication, and military operations. For all these situations, a frequency assignment problem arises with application of specific characteristics. Different modelling ideas for every problem features, have been developed such as the handling of interference among radio s...

ILIAS ANDRIKOPOULOS, AVRAAM POULIAKIS, AND IOANNIS MERTZANIS, SPACE HELLAS MERKOURIS KARALIOPOULOS, KANAGASABAPTHY NARENTHIRAN, AND BARRY EVANS, UNIVERSITY OF SURREY THIBAULT GALLET, MICHEL DURAND, AND MICHEL MAZZELLA, ALCATEL SPACE JURGEN VANDERMOT AND MICHAEL DIEUDONNÉ, AGILENT TECHNOLOGIES LAURENT ROULLET, UDCAST; ERIC BOURDIN, ERCOM; MICHAEL WOLF, DAIMLERCHRYSLER DEMONSTRATION WITH FIELD TR...

Today, mobile phone or other handheld device owners expect also receiving and watching a TV stream besides the classical voice or text services. The Digital Video Broadcasting – Satellite services to Handheld (DVB-SH) is designed to transport mobile TV services. It also supports a wide range of mobile multimedia services, e.g. audio and data broadcast as well as file download services [1], [2].

The rapidly expanding technology of cellular communications, wireless LAN, wireless data networks and satellite will give mobile users capability of accessing information anywhere and anytime. One of the important components of this environment is the server with broadcasting capabilities. Data are fetched from the server and being broadcast to the air. Mobile users keep listening within the ai...

DVB-T2 is a second-generation standard for terrestrial broadcasting aimed at broadcasting to fixed and portable receivers. DVB-T2-based HDTV services have started being broadcast in the UK and other countries are planning to start similar services in the near future. This paper concentrates on the key features of the DVB-T2 system, illustrating how these build on the innovations introduced in t...

1.1 GPS – benefits & constraints The Global Positioning System (GPS) is an all-weather, global, satellite-based, roundthe-clock system developed by the U.S. Department of Defense, which since the early 1980s has been available to the civilian community and has truly revolutionized navigation, surveying and geodesy. GPS is based on a constellation of up to 30 satellites orbiting the Earth, broad...