Answer / mayank mathur

In CDMA each user is assigned a unique code sequence, it
uses to encode it's information bearing signal. The
receiver, knowing the code sequence of the user, decodes a
received signal after reception and recovers the original data.
Whereas, Global system for
mobile(GSM) is a second generation cellular system standard
that was developed to solve the fragmentation problems of
the first cellular system in europe. it's the world most
popular 2g technology.

Answer / parimal

The difference between C.D.M.A and G.S.M is C.D.M.A uses spread spectrum technique i.e code division multiple access that is it uses a certain code to differentiate between various calls whereas G.S.M uses a narrow-band T.D.M.A technology,you can understand it as C.D.M.A is like a half filled of people using different languages in which other person knowing that language will only be able to listen to him,in G.S.M uses a certain frequency and when you call to other person you are assigned a certain bandwidth dedicated to your communication to the other person till the time of your call.

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