


Universal Mobile Telecommunications System (UMTS) is a broadband, packet-based 3G mobile cellular system based on the GSM standard. UMTS specifications cover the entire network system, including wireless access network, core network and user authentication.
Function
UMTS is part of the International Telecommunications Union (ITU) IMT-2000 standard developed by 3GPP.
It uses the Wideband Code Division Multiple Access (W-CDMA) air interface.
It provides text, digital voice, video and multimedia transmission.
It provides high bandwidth to mobile operators.
It provides high data rate of 2Mbps. For High Speed Downlink Packet Access (HSDPA) handsets, the data rate for the downlink connection is up to 7.2 Mbps.
It is also known as Freedom of Mobile Multimedia Access (FOMA).
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It contains the specifications of the entire mobile network system -
UTRAN (UMTS Terrestrial Radio Access Network) designated radio access network
MAP (mobile application part) specified core network
Authenticate users via SIM (Subscriber Identity Module) card.
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