DVB-S

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DVB-S

DVB-S is the original Digital Video Broadcasting forward error coding

Forward error correction

In telecommunication and information theory, forward error correction is a system of error control for data transmission, whereby the sender adds Redundancy to its messages, also known as an error correction code....
and modulation standard for satellite television

Satellite television

Satellite television is television delivered by the means of communications satellite and received by a satellite dish and set-top box. In many areas of the world it provides a wide range of channels and services, often to areas that are not serviced by terrestrial television or cable television providers....
and dates from 1994, in its first release, while development lasted from 1993, to 1997. The first application was commercially available in France via Canal+, enabling digitally broadcast, satellite-delivered television to the public.

It is used via satellites serving every continent of the world.

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Encyclopedia

DVB-S is the original Digital Video Broadcasting forward error coding

Forward error correction

Satellite television

Broadcast network

A broadcast network is an organization, such as a corporation or other Voluntary association, that provides live television or recorded content, such as film, newscasts, sports, and Public affairs programming Television program for Broadcasting over a group of radio or television stations....
feeds, as well as for direct broadcast satellite

Direct broadcast satellite

Direct broadcast satellite is a term used to refer to satellite television broadcasts intended for home reception, also referred to more broadly as direct-to-home signals....
services like Sky Digital

Sky Digital (UK & Ireland)

Sky Digital is the brand name for British Sky Broadcasting's digital satellite television and satellite radio service, transmitted from SES Astra satellites located at Astra 28.2?E and Eutelsat's Eurobird 1 satellite at 28.5?E....
(UK) via Astra

SES Astra

SES Astra SA, is a corporation subsidiary of SES S.A., based in Betzdorf, Luxembourg, in eastern Luxembourg, that owns and operates the Astra series of geostationary orbit communication satellites, which Transmission approximately 2300 analog television and digital television and radio channel via 242 transponders to 109 million house...
in Europe, Dish Network

Dish Network

Dish Network Corporation is a direct broadcast satellite service provider that offers satellite television, audio programming, and interactive television services to households and businesses in the United States....
and Globecast in the U.S. and Bell TV in Canada

Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
.

While the actual DVB-S standard only specifies physical link characteristics and framing, the overlaid transport stream

Transport stream

Transport stream is a communications protocol for Digital audio, Digital video, and Program and System Information Protocol which is specified in MPEG-2 Part 1, Systems ....
delivered by DVB-S is mandated as MPEG-2

MPEG-2

MPEG-2 is a standard for "the generic coding of moving pictures and associated audio information". It describes a combination of Lossy compression video compression and lossy audio data compression methods which permit storage and transmission of movies using currently available storage media and transmission bandwidth....
, known as MPEG-TS.

This technology uses the 11/12 GHz Frequency band, qpsk modulation, error correcting codes, interleaving scramblers and reed-solomon coding to transmit the digital data from a gateway to a receiver.