Satellite Communication Technology

Paper Summary:

This paper explains that the advantage of satellite technology over direct wire transmission is obvious: Satellites can transmit data at light speed anywhere on the planet without impractical and costly wiring. The author writes about three general types of satellites, classified by the type of orbit they follow: (1) Geosynchronous orbit, GEO, in which the satellite's orbit is synchronized with the rotation of the earth; (2) Medium earth orbit, MEO, which gets closer to the earth because it utilizes an elliptical orbit, and (3) Low earth orbit, LEO, the most recent type of satellite, which are located approximately 450 miles above the surface of the Earth, and can be used for portable phones with smaller antennas. The paper relates that the attributes of satellite systems make them valuable for varying internet applications, but the primary difficulty now is congestion and associated delays; however, when LEO satellites become more abundant and dependable, it is probable that the amount of internet traffic, which LEO satellites can handle, will increase.

From the Paper:

"Fortunately, as the technologies improve-in both the internet and satellites-prices fall and these tools become more widely available. "Thanks to both the rapid deployment of the internet, and advances in satellite technology, the market for broadband satellite services is poised for substantial growth in the coming decade." Particularly, satellites in GEO orbits are being improved to be capable of relaying more information; with less latency and interference. Also, LEO satellites are being employed because they do not require the bulky equipment needed to improve the existing GEO satellites. Additionally, with the advent of dense wavelength division multiplexing along fiber optic cables, broadband capabilities should become exponentially greater."

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• Analytical Essay # 3415 : "Technology and Knowledge"

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