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What Are 3g Standards?

Answer»

3G standards:

UMTS:

  • Universal Mobile Telecommunications System – One of the 3G mobile telecommunications technologies, ALSO being developed into a 4G technology.
  • Most common form of UMTS uses W-CDMA as an underlying AIR interface.
  • UMTS also covers Radio ACCESS NETWORK – UMTS Terrestrial Radio Access Network (UTRAN), and Mobile Application Part (MAP).
  • Users are authenticated via USIM cards (Universal Subscriber Identity Module).

CDMA2000

  • Also known as IMT Multi-Carrier (IMT-MC), uses CDMA channel access for sending voice, data and signaling data between mobile phones and cell sites.
  • The standards are CDMA2000 IX, CDMA2000 EV-DOR Rev.0, CDMA2000 EV-DO Rev.A and CDMA2000 EV-Rev.B. They are approved radio interfaces for the ITU’s IMT-2000.

3G standards:

UMTS:

CDMA2000


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