Developing an efficient high-power transmitter is essential to extend service coverage of terrestrial broadcasting service. Furthermore, it is important to develop a dual-mode transmitter platform that satisfies both ATSC and DVB-T2 in order to reduce development costs. In this paper, we present a design method of dual-mode high-power transmitter with 2.5KW transmit power for terrestrial digita...

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...

Countermeasure for round trip delay which occurs in between satellite and ground with network accelerator is investigated together with operating system dependency on effectiveness of accelerator. Also disaster relief data transmission experiments are conducted for mitigation of disaster together with acceleration of disaster related data transmission between local government and disaster preve...

In 2010, the Brazilian Antitrust Authority -CADEconcluded an agreeement with Globo and the “Club of 13” on a three-year deal for the exclusive broadcasting rights to all Brazilian Football League (BFL) games spanning the five principal media platforms: freeto-air TV, pay TV, Pay per View, Internet and Mobile. The deal eliminates competition in broadcasting of Brazilian League games (primarily o...

Cellular phone users in Korea can watch TV using their mobile phones. The new multimedia service for the mobile users is called Digital Multimedia Broadcasting (DMB). DMB is a process of broadcasting multimedia over the Internet or satellite that can be tuned in by multimedia receivers or players. There are two competing DMB technology standards in South Korea: Terrestrial DMB and Satellite DMB...

This paper introduces a platform to support the provision of pedagogical units especially designed to Interactive Digital TV. We have developed an authoring tool to create the educative content according to both the technical and social peculiarities of this new media. Besides, a set of software modules were also set up to support the suitable broadcasting and visualization in the receiver devi...

Digital Television, also known as Digital TV, is the most significant advancement in television technology since the medium was created over a century ago. Digital TV offers consumers more choice and makes the viewing experience more interactive. The analog system of broadcasting television has been in place for well over 60 years. During this period, viewers experienced the transition from bla...

The migration from analog to digital of the broadcasting technologies, already well consolidated for satellite systems, is becoming a reality also for terrestrial transmission. Digital Terrestrial Television (DTT) is also evolving to offer interactive services and a degree of flexibility which can be exploited to offer tailored applications to users which include, for instance interactivity, di...

With the success of XM and Sirius Satellite Radio in the US, and the increasing interest in mobile TV services in the wake of successful trials by European mobile operators, new systems are now being proposed for satellite radio and multimedia broadcasting in Europe. Worldspace has now received authorization from the FCC for launch of their new Afristar 2 GEO satellite to provide services in We...