What is the main difference between GSM & CDMA?
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Answer Posted / jay
First it is important to know that one is an access scheme
and the other is not.
GSM is Global System for Mobile Communications which uses
FDMA/TDMA access schemes. In GSM users are seperated in time
and frequency.
While CDMA which is known as Code Division Multiple access
is an access scheme used by UMTS where users are seperated
by different codes but all users can transmit at the same
time and on the same frequencies in the same region of space.
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