Internet over direct broadcast satellites

Author

Clausen, Horst D. ; Linder, Hilmar ; Collini-Nocker, Bernhard

Author_Institution

Salzburg Univ., Austria

Volume

37

Issue

6

fYear

1999

fDate

6/1/1999 12:00:00 AM

Firstpage

146

Lastpage

151

Abstract

High-powered direct broadcast television satellites can be used to broadcast high volumes of data directly to home terminals. Using the telephone network or a similar low-speed network, an asymmetrical system can be implemented which offers interactive Internet services. Two such interactive data broadcast systems are described which have been implemented as demonstration platforms for interactive multimedia services; one is based on digital subcarrier techniques for analog television channels, the other on the MPEG-2 and DVB standards. The architecture of the hardware and software is presented, particularly the solutions available for carrying Internet datagrams over MPEG-2 transport systems. A multicast transport protocol with selectable reliability is described which is the basis of a generic distribution application. It exploits the potential benefits of direct broadcast satellites for delivering data to large groups of local caches

Keywords

Internet; code standards; data communication; digital video broadcasting; direct broadcasting by satellite; multicast communication; multimedia communication; telecommunication standards; telephone networks; transport protocols; DBS; DVB standards; Internet datagrams; MPEG-2 standards; MPEG-2 transport systems; analog television channels; asymmetrical system; digital subcarrier techniques; direct broadcast satellites; generic distribution application; hardware architecture; high-powered direct broadcast TV satellites; home terminals; interactive Internet services; interactive data broadcast systems; interactive multimedia services; local caches; low-speed network; multicast transport protocol; selectable reliability; software architecture; telephone network; Computer architecture; Digital video broadcasting; Hardware; Internet telephony; Multicast protocols; Multimedia communication; Multimedia systems; Satellite broadcasting; TV broadcasting; Web and internet services;

fLanguage

English

Journal_Title

Communications Magazine, IEEE

Publisher

ieee

ISSN

0163-6804

Type

jour

DOI

10.1109/35.769289

Filename

769289