GSM B History:
Given below table shows many of the
important events in the rollout of the GSM system; other events were
introduced, but had less significant impact on the overall systems.
Years
|
Events
|
1982
|
CEPT establishes a GSM group in order to
develop the standards for a pan-European cellular mobile system.
|
1985
|
A list of recommendations to be generated
by the group is accepted.
|
1986
|
Field tests are performed to test the
different radio techniques proposed for the air interface.
|
1987
|
Time Division Multiple Access (TDMA) is
chosen as the access method (with Frequency Division Multiple Access [FDMA]).
The initial Memorandum of Understanding (MoU) is signed by telecommunication
operators representing 12 countries.
|
1988
|
GSM system is validated.
|
1989
|
The responsibility of the GSM
specifications is passed to the European Telecommunications Standards
Institute (ETSI).
|
1990
|
Phase 1 of the GSM specifications is
delivered.
|
1991
|
Commercial launch of the GSM service
occurs. The DCS1800 specifications are finalized.
|
1992
|
The addition of the countries that signed
the GSM Memorandum of Understanding takes place. Coverage spreads to larger
cities and airports.
|
1993
|
Coverage of main roads' GSM services starts
outside Europe.
|
1994
|
Data transmission capabilities launched.
The number of networks rises to 69 in 43 countries by the end of 1994.
|
1995
|
Phase 2 of the GSM specifications occurs.
Coverage is extended to rural areas.
|
1996
|
June: 133 network in 81 countries
operational.
|
1997
|
July: 200 network in 109 countries
operational, around 44 million subscribers worldwide.
|
1999
|
Wireless Application Protocol came into
existence and 130 countries operational with 260 million subscribers.
|
2000
|
General Packet Radio Service(GPRS) came
into existence.
|
2001
|
As of May 2001, over 550 million people
were subscribers to mobile telecommunications.
|
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