What is GSM-Global System for Mobile Communication

Thursday, 8 August 2013

What is GSM

If you are in Europe, Asia or Japan and using a mobile phone then most probably you must be using GSM technology in your mobile phone.
       #GSM stands for Global System for Mobile Communication and is an open digital  cellular technology used for transmitting mobile voice and data services. 
       #The GSM emerged from the idea of cell-based mobile radio systems at Bell Laboratories in the early  1970s. 
       #  The GSM is the name of a standardization group established in 1982 to create a common European        mobile  telephone standard.
#The GSM standard is the most widely accepted standard and is implemented globally.  
#The GSM is a circuit-switched system that divides each 200kHz channel into eight 25kHz time-slots.GSM operates in the 900MHz and 1.8GHz bands in Europe and the 1.9GHz and 850MHz bands in the US
#The GSM is owning a market share of more than 70 percent of the world's digital   cellular subscribers.
#The GSM makes use of narrowband Time Division Multiple Access (TDMA)  technique for transmitting signals.
#The GSM was developed using digital technology. It has an ability to carry 64  kbps to 120 Mbps of data rates.
# Presently GSM support more than one billion mobile subscribers in more than 210 countries throughout of the world.
      #The GSM provides basic to advanced voice and data services including Roaming service. Roaming is
      the ability to use your GSM phone number in another GSM network.


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