Inscrivez-vous ou connectez-vous pour rejoindre votre communauté professionnelle.
They are totally different,
but the main diffrence is in their access method which3G is using WCDMA (mostly) or CDMA but GSM or2G is using FDMA/TDMA.
3G working on one frequency band for each carrier, while2G works in deffernt frequency for each site. so3G is much easrier for planning than2G. 3G gives bigger frequency BW rather than2G. 3G gives higher throughput for data traffic rather than2G.
first:2G:
use digital technology , ind use ( TDMA-based and CDMA -based standard)
Allow slow data communication.
3G:
support broadband voice, data and multimedia communication over wireless network.
use (CDMA-UMTS-HSDPA-WCDMA).
Avez-vous besoin d'aide pour créer un CV ayant les mots-clés recherchés par les employeurs?