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How Satellite Broadband Works

Added: Thursday, August 4th 2011 at 4:48pm by satelliteinternet
Related Tags: technology, internet
 
 
 


In the majority of rural areas, the local telephone exchange network is not ADSL enabled, leaving the local population marginalized from the world of Internet and mobile communication. Even wireless broadband services are not available in these areas. With the advent of satellite broadband, rural folks can have access to wireless broadband services even without cell sites or fiber optic networks. Satellite broadband is a wireless service very similar to Sky digital TV.

A satellite broadband system makes use of a satellite dish, making it more costly than common broadband platforms. But the recent innovations in teleports and VSAT technology are making satellite broadband more attractive to businesses and consumers alike.

Satellite broadband download speed can reach as much as 2 Mbit/s, while upload speed can be as much as 1 Mbit/s. Switching from dial-up Internet to satellite broadband will improve browsing speed 35 times. Signals originating from user’s transceiver travel to satellites in the outer space. The signals have to be sent back to Earth to reach the transceiver.

Who Needs Satellite Broadband

Because the service coverage of DSL and mobile Internet is limited, rural residents are often marginalized from the world of Internet.  Due to the absence of critical public infrastructures in remote areas, rural residents have no other option but to sign up for satellite broadband.  Getting DSL service requires customers to be within 18,000 feet from the ISPs site, just as cable Internet poses geographic limitations.

High-speed satellite broadband has a faster speed than dial-up Internet. Wireless broadband service is very popular among business users. Terrestrial circuits, business television and corporate communications are often included in satellite broadband plan for business accounts.

How It Works
  • The modem communicates with the ISP.
  • When the user clicks a web page, the signals are sent to the network operations center of the satellite carrier.
  • The satellite sends the signals back to the hub.
  • The signals are sent to the server .
  • Server data is sent back to satellite and returned to the dish of the client.


The entire cycle of signal transmission is faster than one second. Satellite broadband signals can be sent via two-way or one-way satellite dish.  Satellite dishes best work in areas where there are no impediments to signal transmission. Since two-way satellite is quite expensive, satellite Internet providers are combining wireless teleport services with terrestrial  Internet channels like DSL for uploading.  Two-way communication dishes make use of Time Division Multiple Access (TDMA) and single channel per carrier (SCPC). One-way satellite dish is more affordable. Modern teleports support 'C' and 'Ku' frequency band frequencies.


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