CDMA Concept

CDMA Concept










CDMA SYSTEM

FOR

MOTOROLA CELLULARS






















WHAT IS CDMA?

Code Division Multiple Access (CDMA) is a spread-spectrum multiple
access technique. This means a large number of users share a common pool
of radio channels with any user being able to get access to any channel.
Frequency Division Multiple Access (FDMA) is the multiple access
technique that is used in traditional analog mobile systems and Time
Division Multiple Access (TDMA) is the technique used in GSM. With CDMA,
unique digital codes, rather than separate RF frequencies or channels
are used to differentiate subscribers.

There are several types of CDMA b