UMTS Definition: Universal Mobile Telecommunications System: a 3G standard, being developed under the auspices of ETSI, and intended mainly for the evolution of GSM networks. … [Continue reading]
USB
USB Definition: Universal Serial Bus: Intel's standard for attaching peripherals to PCs. Designed for low to medium data throughput, it should remove the need to install many devices internally once it gains widespread acceptance. The original 1995 … [Continue reading]
UTP
UTP Definition: Unshielded Twisted-Pair: a four-pair wire medium used in a variety of networks. UTP does not require the fixed spacing between connections that is necessary with coaxial-type connections. See also STP. … [Continue reading]
UTRAN
UTRAN Definition: UMTS Terrestrial Radio Access Network: the name of the WCDMA radio network in UMTS. … [Continue reading]
V.34
V.34 Definition: An ITU's modem standard, agreed on 4 February 1998, which brought to an end a year-long 56 Kbit/s standards battle between the rival proprietary X2 and K56Flex standards. … [Continue reading]
V.90
V.90 Definition: An ITU's modem standard, agreed on 4 February 1998, which brought to an end a year-long 56 Kbit/s standards battle between the rival proprietary X2 and K56Flex standards. … [Continue reading]
VBR
VBR Definition: Variable Bit Rate: maximum throughput set in advance, but data not always sent evenly. … [Continue reading]
VoIP
VoIP Definition: Voice over IP: The technology used to transmit voice conversations over a data network using the Internet Protocol. The data network involved might be the Internet itself, or a corporate intranet, or managed networks used by local … [Continue reading]
VPN
VPN Definition: A virtual private network is a private data network that makes use of the public telecommunication infrastructure (typically the Internet), maintaining privacy through the use of a tunnelling protocol and security … [Continue reading]
WAN
WAN Definition: Wide Area Network: a geographically dispersed network formed by linking several computers or local area networks (LANs) together over long distances, usually using leased long-distance lines. WANs can connect systems across town, in … [Continue reading]