what is the difference betweeen FM and FSK modulation?

Answer Posted / girish papnoi

Communication is a process of transferring Data,Voice from one entity to another. Communication processes are sign-mediated interactions between at least two agents, Communication is commonly defined as "the imparting or interchange of thoughts, opinions, or information by speech, writing, or signs
GSM: (Groupe special mobile), previously known as, but now its changed to Global system for mobile comm.. In GSM we use TDMA and FDMA technology both.GSM is developed by European Telecommunications Standards Institute (ETSI).
Basically GSM technology is composed of following things:-
1.SIM (Subscriber identity Module)
2. Cellsites (Genrally we can say Mobile Tower)
3.Electromagnetis waves (Wireless signal or EM Waves)
4.MS (Mobile Station),Mobile handset
In Today Telecom Market many new Opertor Like;(STel,SSTL,Etilsalat,Swan Telecom) is coming to Indian market. There is lots of competition in between these forthcoming competitor.

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