What is the main difference between GSM & CDMA?
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Answer / ravinder kumar
GSM is a Global Syatem For Mobile Communication.
GSM Operates 3 bands, 1) GSM 900 2) GSM 1800 and 3) GSM
1900.
GSM 900 & GSM 1800 are used in india, But, GSM 1900 used in
USA.
GSM and CDMA techniques can be explained with an example,
suppose there are 10 persons in a room and they want to
communicate with each other .How can they communicate?
First method:One persons speaks at one time that means we
have provided a definite time interval to that person.-GSM
Second method :all the peers speak at a time in a different
language which we call as CDMA
CDMA stands for Code Division Multiple Access and GSM
stands for Global system for Mobile Communication.
In CDMA phones the software is integral with the phone
instrument and in the case of GSM phones it is through the
SIM Card.
CDMA phone instruments are dedicated to the service
provider. GSM phone instruments are portable across service
providers through SIM cards.
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / shaili
The complete introduction about CDMA is given at below link
http://www.cdmauniversity.com/prodtech/cdma/training/cdma25/m5/m5p01.html
This is very helpful.
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / naresh yadav
GSM tends for Global System for mobile communication.It is
based on TDMA & FDMA technique.CDMA is code division
multiple access it is based on multiple access technique.
In this technology the conversation betwwen two user are
coded so it is more secure than GSm.
| Is This Answer Correct ? | 1 Yes | 3 No |
Answer / little
# operator:
Usually # button is directed to MSC.We can directly
interact with MSC by pressing # button in GSM. Example:In
Reliance we use *402*# for the balance enquiry but in CDMA
there is no such fascility.
Broadcast Message:
There are one type of message that are coming from the
MSC which can neither be deleted nor can be edited.Only we
can accept those messages called broadcast message.This
facility i think in GSM but not in CDMA.
| Is This Answer Correct ? | 1 Yes | 3 No |
Answer / shaili
If you want to detailed drescription about CDMA
Go & refer the link given below.
http://www.cdmauniversity.com/prodtech/cdma/training/cdma25/m5/m5p01.html
This link is very helpful.
| Is This Answer Correct ? | 0 Yes | 2 No |
Answer / shev john
gsm used in mobile communication and cdma is used in
| Is This Answer Correct ? | 0 Yes | 3 No |
Answer / ashish
so many correct answers do i need to write more
ashish_scorpio87@yahoo.com
| Is This Answer Correct ? | 2 Yes | 8 No |
Answer / pranaya kumar jena
the main difference is speed .
cdma is faster for transferring data as compared to gsm.
cdma interferes with voice calls but gsm does not interfere
with voice calls.
| Is This Answer Correct ? | 25 Yes | 32 No |
GSm only can connect 30-35 peoples. but in CDMA 70 peoples
can connect.
| Is This Answer Correct ? | 18 Yes | 39 No |
GSM: In GSM only 30 or 35 peoples can call at at time in a
singal carrier but In CDMA apprx 70 peoples can call in a
singal carrier at a time.
| Is This Answer Correct ? | 72 Yes | 114 No |
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