What is CDMA (CDMA)?

What is CDMA (CDMA)?

What is CDMA? C ode D ivision M ultiple A ccess (CDMA) is a digital cellular technology used for mobile communication. CDMA is the base on which access methods such as cdmaOne, CDMA2000, and WCDMA are built.

What are the salient features of CDMA?

Salient Features of CDMA CDMA, which is based on the spread spectrum technique has following salient features − In CDMA, every channel uses the full available spectrum. Individual conversations are encoded with a pseudo-random digital sequence and then transmitted using a wide frequency range.

What is the difference between CDMA2000 and CDMA?

CDMA is the common platform on which 3G technologies are built. For 3G, CDMA uses 1x EV-DO and EV-DV. CDMA2000 uses Frequency Division Duplexing-Multicarrier (FDD-MC) mode. Here, multicarrier implies N × 1.25 MHz channels overlaid on N existing IS-95 carriers or deployed on unoccupied spectrum.