Answer / santhoshkumarv

Code division multiple access (CDMA)
GSM (Global System for Mobile Communications: originally
from Groupe Special Mobile)


CDMA cannot offer international roaming, a large GSM advantage.


GSM is already used worldwide with over 450 million subscribers

Answer / ashok.m@hcl

CDMA means Code Division Multiple Accessing.
every subscriber alloted with different codes.

GSM means Global Switching Mobile.here every subscriber
alloted with different Frequency ratings.

Now the reliance and TATA both companies are using CDMA
And rest of all Service providers follow GSM technologies.

Answer / vaibhav

GLOBAL SERVICE FOR MOBILE (GSM)
its installation is easy.

CODE DIVISION MULTIPLE ACCESS(CDMA)
it use pseudo random codes
its installation is not easy .
tata indicom and reliance (not SMART)
use CDMA techniques....

Answer / aman sahay

GLOBAL SYSTEM MOBILE CAN COVER UPTO 5KM OF CELL
CODE DIVISION MULTIPLE ACCESS CAN COVER UPTO 10KM OF CELL

CDMA IS FAST THAN GSM

NOW GSM COVER 70% IN INDIA.

Answer / sanghamitra

cdma signals are coded signals,we can reuse the
fequency,but in gsm we cant,
in cdma risk of noise occurance is lower than gsm,
cmda system is costlier than gsm.

Answer / priya

CDMA is a much stronger and clearer signal. The only thing
that GSM has to offer in terms of coverage over CDMA.

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