Satellite Internet: Principle and Benefits

Satellite Internet offers a solution to the inhabitants of rural areas who cannot benefit from an asymmetric digital subscriber line (ADSL). In regions with low ADSL and broadband access, satellite Internet can be a very attractive alternative. It is both a method of access and a mode of dissemination to the Internet via satellite transmission for the general public or companies. This mode of connection is mainly based on two installations: a satellite fleet located in space and a terrestrial nerve center that centralizes the data transmitted and received by the various satellites.

Principle of operation

The operating principle of satellite Internet is simple;

· A fiber-optic network routes the main Internet link from major international telecom operators to the access provider’s terrestrial hub.

· This terrestrial pole centralizes all the information and transmits data from the web (provided by large telecom operators) to satellites dedicated to Internet access.

· Satellites, which cover a certain geographical area, provide the link between the terrestrial pole and the customers.

· Clients communicate with satellites using a satellite dish. The signals from the satellites are converted into conventional Ethernet frames.

To access this service, you must, of course, subscribe to an operator. The bit rate allocated by the operator is generally limited and less than an ADSL access.

The benefits of satellite internet are many but let’s take a look at this few;

1. No terrestrial network required

Satellite Internet is the only technology capable of covering an entire territory since it does not depend on any terrestrial installation. It makes it possible to free oneself from the geographical constraints such as the relief or the distance with respect to a connection point.

2. Economic solution

The reception equipment is cheap, and it is extremely easy to set up. Satellite internet is a serious alternative for all individuals living in landlocked areas who wish to connect easily to the Internet. On closer inspection, the best satellite internet connections allow a comfort equal to that of a good connection by ADSL.

3. Fast connection rate

Satellite Internet users can now enjoy up to 22 Mbps reception and up to 6 Mbps transmission. Be careful, however, as these theoretical rates may vary depending on various factors. Examples include installation accuracy, cable condition, obstructions on the signal path, weather conditions, and so on.

4. Near-total geographical availability

The main advantage of satellite internet is its coverage of the entire territory by avoiding the technical problems associated with cabled telecommunication networks. Indeed, under a beam, there is no white or gray area as may be the case for terrestrial ADSL or cable networks. This is why individuals and some small companies opt for satellite internet where there is no ADSL coverage and where alternative solutions are costly.

5. Guaranteed security

Satellite internet offers a better guarantee of security and reliability compared to ADSL because it is not common for the connection to be interrupted or usurped by an unexpected problem.

6. Easy to implement

In order to benefit from satellite internet access, it is compulsory to equip a satellite dish with its transmitter/receiver head, a modem, and connections via cables. But be rest assured, it’s much easier to install than it seems

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