What's Satellite Broadband Net Access | Discovery B.D

Satellite Broadcast Internet Access ? Need

Broadband internet access is a rapidly developing technologies. The term broadband itself suggests that the bandwidth provided by this technologies is high. The dial-up connection is now becoming obsolete due towards the various drawbacks associated with it.

The dial-up connection requires a telephone line to establish a connection in between the service provider along with the customer. The telephone line remains busy if you access the internet employing a dial-up connection. Broadband internet could be the solution to this dilemma. Broadband internet technologies is utilised in various forms like DSL, cables, wireless and fiber optics technologies. However, the services provided by these technologies are restricted to certain areas. Usually, internet access services are rendered to only the major cities, by the service providers.

Many remote areas, and terrestrial locations don?t have an access towards the broadband facility. Satellite broadband internet connection is a solution for this dilemma. Folks living in rural and remote areas can gain access towards the internet by way of satellite communication. The satellite communication was already being utilized inside the form of satellite TV. The availability of satellite communication as well as the area limitations of other forms of internet access, have led towards the emergence with the satellite broadband internet access as the most convenient way of connecting towards the internet, in these areas.

Satellite and Internet Access

The method of internet access making use of the satellite broadband internet access technologies could be the very same as that with the other satellite communications. The communication among the satellite as well as the user is via a one-way dish or a two-way satellite dish. The satellite dish must be stationed in a way that minimizes the interference of signals from other satellites. The two-way satellite dish is an expensive selection. Instead, the dial-up connection might be utilized for uploading purposes along with the satellite internet connection may be employed for downloading information. One-way satellite dish is an economical choice, but the choice with the kind of satellite internet access will depend upon towards the requirements with the consumer. Mostly, the two-way communication dish is preferred by residential users and modest businesses. The two-way internet service is characterized by Time Division Several Access (TDMA) and single channel per carrier (SCPC). Currently, the satellites operate within the ?C? and ?Ku? frequency bands. C and Ku band frequencies are frequencies within a particular band with the electromagnetic spectrum utilized specifically for satellite communication.

Satellite Coverage and Internet Access

Total coverage and uninterrupted access are the most important positive aspects provided by the satellite connection. You?ll find 3 satellite constellations, viz. GEO (geostationary earth orbit), LEO (low earth orbit) and MEO (middle earth orbit), of which GEO and LEO are employed for internet and voice services.

GEO stands for geostationary earth orbit. The satellites in this orbit have an angular velocity very same as that with the earth. They?re at the height of 35,900 km from the earth?s surface. As the angular velocity with the satellite will be the exact same as that with the earth?s, the GEO satellites often seem to be stationary above the earth?s surface and thus, offer constant coverage to that particular area. However, the GEO satellites has a feature of latency. Latency may be the time required to track the geostationary satellites, after a request is sent from the internet user. This is a delay of about 800-900 milliseconds and is acceptable for internet services. Two-way satellite internet is generally not employed with GEO as against one-way satellite internet access. The LEO satellites don?t exhibit the latency issue. Typically, the satellite dish must be within the line-of-sight with the satellite for communication. Rainfall and moisture inside the air also affect the internet access via satellite connection.

The various services provided by satellite internet include the VoIP (voice over internet) service, which is a relatively recent technological development. VoIP uses the internet to send the voice packets from one place to yet another. Voice calls utilizing VoIP are extremely cheap and customers living inside the remote areas can take benefit of connecting to different places inside the world.

With the advent of satellite broadband internet access, technologies has enabled everybody in this world to access the internet from any place on the earth.

Source: http://discovery-bd.com/whats-satellite-broadband-net-access/

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