Transceiver Acces

Just as satellite dishes competed with cable decades ago for premium movie channel services, dishes are now back, offering satellite acces to the internet to compete with cable and DSL. In a practical sense, satellite Internet access isn’t so much of a competing technology as much as it is an alternative in areas where cable or DSL services are not available. Internet access via satellite is a somewhat pricey option at this time, though with downstream rates from 150-1,200 Kbps and upstream rates around 50-150 Kbps, available bandwidth is far greater than dialup connectivity.

Satellite Internet access operates via geostationary (fixed-position) satellites that beam microwaves from about 22,300 miles above the Earth’s equator to your dish antenna and transceiver (transmitter/receiver). Satellite Internet access is available in two forms: two-way and one-way.

A typical two-way satellite Internet connection allows for upstream and downstream transmissions via satellite. Here is an example of a typical two-way satellite data transmission:

1. Your transceiver (connected to your computer) passes the digital signal to your dish antenna, which beams the information to the satellite (transponder).

2. The transponder forwards/beams the digital signal to a network operations center (NOC) back on the ground.

3. The NOC forwards the data request on to the Internet via land-based infrastructure.

4. Data returning from the Internet follows the same process (in reverse) back to your computer.

In theory, this entire process takes only about half of a second, but in practice it takes longer, so this isn’t the method of choice for online gamers. (The time delays inherent in satellite communication can be somewhat distracting to online gainers.) A two-way setup provides always-on Internet connectivity that makes access convenient.

A one-way satellite transmission downstreams data from the transponder to your dish antenna but does not allow for transmitting data upstream in the same manner. One-way internet satellite access requires that you transmit upstream data through a dialup connection but only downstream data travels via satellite.

It is worth noting that because satellite Internet access operates off “lineof-sight” communication, transmissions are susceptible to heavy precipitation signal degradation (rain fade) and occasional solar interference. A variation of this technology called fixed wireless uses cell towers and has less latency but even more line-of-sight problems. But with the growth of the internet, and need of customers, satellite internet service is improving both in practicality and price.

So if DSL or cable or even dial up internet service is not an option for you, satellite internet service may be your ticket to net freedom.

About the Author:

Angela Abbette is a computer enthusiast for http://www.hitkingdom.com and is an avid user of the computer information found at uPublish.info

Article Source: ArticlesBase.com – How Does Satellite Internet Access Work?

Just as satellite dishes competed with decades ago for cable services premium movie channel, food is back, which offers Internet access via satellite to compete with cable and DSL. In a practical sense, satellite Internet access is less of a competing technology, both as an alternative in areas where cable or DSL services are unavailable. Internet access via satellite is a bit expensive option at this time, although with rates of 150-1,200 Kbps downstream and upstream rates of around 50-150 kb / s available bandwidth is much higher than dial-up connection.

Satellite Internet access works through geostationary (fixed position) the microwave beam satellites about 22,300 miles above the Earth Ecuador to the antenna and the transceiver (transmitter / receiver). Satellite Internet is available in two forms: two and one-way.

A typical two-connection way satellite Internet allows transmission upstream and downstream via satellite. Here is an example of a typical two-way satellite Data transmission:

1. Your transceiver (connected to your computer) passes the digital signals to your satellite dish, which beams the information to the satellite (transponder).

2. The transponder sends / digital signal beams to a network operations center (NOC) back into the ground.

3. The Committee National Olympic forwards the data request to the Internet through land-based infrastructure.

4. Data returned from the Internet follows the same process (in reverse) back to your computer.

In theory, this process takes only about half a second, but in practice it takes longer, so this is not the method of choice for online gamblers. (The time delays inherent in satellite communication can be a bit annoying for the winners online.) configuration provides two-way Internet connectivity that allows convenient access.

One way satellite transmission Downstreams transponder data on your antenna, but it allows transmission of upstream data in the same way. One way satellite Internet access requires the transmission data through a dial-up connection but only intermediate data travels via satellite.

Note that because the satellite Internet access works off lineof-view "of communication, transmissions are susceptible to degradation of heavy rainfall signal (rain fade) and the occasional solar interference. A variation of this technology called fixed wireless uses cell towers and has less latency, but even one more line-of sight problems. But with the growth of the Internet, and the need of customers, satellite Internet service is improving both in practice and price.

So, whether DSL or cable or even dial-up Internet service is not an option for you, satellite Internet service can be your ticket to freedom in the network.

About the Author:

Angela Abbette is a computer enthusiast for http://www.hitkingdom.com and is an avid user of the computer information found at uPublish.info

Article Source: ArticlesBase.com – How Does Satellite Internet Access Work?