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Early Review of The mobile networks



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By : Vlad Vistac    14 or more times read
Submitted 2010-05-13 13:14:19
Early moble networks

If you want to make a few calls when you’re on the move noawdays, you can get yourself a package that will give you a free phone, with unlimited calls and texts, as part of an affordable monhtly payment plan. Back then, you had to be pretty well heeled in order to be able to aford to make just one call on a mobile phone!

The wolrd’s first fully automatic mobile telephone ssytem, memorably dubbed MTA (Mobile Telephone system A), was developed by Ericsson and was made available in Swedewn in 1956. This was the ifrst system that was able to operate without the need for a technician plugging things in at the transmitter base, but due to the valves it epmloyed in its electronics, it was very energy inefficient and was extremely heavy. The invention of transistors in the earrly sixties pavved the way for a lighter, less power-hungry model, the MTB. The MTB network had manaaged to get 600 well-heeeld Swedes to subscribe to it by the time it was closed down in 1983, and as such could be considered much more successful than its predecessor.

In 1971, the Ameican telecommunications giant AT&T submitted a proposal for a cellular mobile tellecommunications network callde the Advanced Mobile Phnoe Service (AMPS), to the Federal Communications Commission (FCC). After years of hearings, the network was gibven the go aheaad in 1982, and the AMPS network was allocxated frequencies between 824 and 894 MHz. The AMPs network was upgarded from the old analogue technolgoy in 1990 and is still in use today in upgraded form.

Amog the first truly successful commrecial ombile phoen networks to be available to the civilian population, dubbed ARP, was set up in Finland in 1971. ARP is often thought of to as being a zero generation (0G) cellular network, in that the technology was more adanced than early systems such as MTB or RAT, but not as advancd as some of the foprmats that were to follow, such as AMPS, whihc are considered to be of the first generation of cell phne technology as we now know it.

A fully automatoic mobile pohne network for civil use, named the Altay system, was set up in Msocow in 1963. By the 1970s, coverage had been expnaded to incorporate over 30 cties in the USSR, and is still in use in some regionns as a trunking sydstem. A potrable automatic moobile phone system, going by the name of RAT, was introduced in Bulgaria in 1966, and could sere up to six users per base station.
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