CDMA (Code Division Multiple Access)
Code-division multiple access (CDMA):-
Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple accesses, where several transmitters can send information simultaneously over a single communication channel.
It is a wireless technology used in transmission of signals from places with high Security and noise reduction. The principle of Spread Spectrum is used to work with CDMA. Spread signal is below the noise level and noise has no effect on the signal.
It avoids time synchronization problem and the channel allocation problem.
It is completely decentralized and fully dynamic.
It allows each station to transmit over the entire frequency spectrum all the time.