mobile technology glossary

Here are the results for the letter u

UI

User Interface

Um

The air interface between the BTS and the MS in a GSM network

UMTS

Universal Mobile Telecommunications System; the European entrant for 3G; now subsumed into the IMT-2000 family as the WCDMA technology.

UPN

Universal Personal Number

UPT

Universal Personal Telecommunications

URL

Uniform Resource Locator; the addressing system of the Internet

USIM

Universal Subscriber Identity Module; the 3G equivalent of the GSM SIM

USO

Universal Service Obligation

UTRA

Universal Terrestrial Radio Access; the air interface component of WCDMA.

UTRAN

Universal Terrestrial Radio Access Network; the UMTS radio access network comprising the RNC, Node B and the air interface

Uu

The air interface between the Node B and the MS in a UMTS network.

UWB

Ultra Wide Band