User Manual

Glossary
210 Release 2.0
cluster Two or more nodes bundled together to appear as a single system. Clusters can be
used to provide near continuous access to application services, including databases,
Web services, and file services.
Ethernet The world's most widely deployed standard for Local Area Networking; it operates at
10, 100,1,000 and 10,000 Mbps.
Frame Relay A widely used connection oriented packet-networking technology.
IP-RN 8000 IP-Radio Node 8000. Airvana’s Base Transceiver Station.
IP-RNC 8500 IP-Radio Network Controller. Airvana’s Base Station Controller.
IS-95 The industry standard name for CDMA Mobile wireless technology.
Metropolitan Ethernet A low cost Wide Area Network technology that transports user data as Ethernet
frames over an optical network, typically in a metropolitan area.
PSK Phase Shift Keying; a modulation technique.
QAM Quadrature Amplitude Modulation; a multi-level modulation technique.
QPSK Spectrally efficient modulation technique that breaks the information path into two
parts called the “in phase” and the “quadrature phase” components. The combination
of these two signals creates one of four unique symbols that are then used to modulate
the phase of the carrier.
Radio Access Network The part of a wireless network comprised of Base Stations and Base Station
Controllers.
VoIP Voice over IP. A method of sending voice information over a packet-switched
network, such as the Internet, using TCP/IP.
VPN Virtual Private Network. A networking technology used to send data securely over
public data networks.
WAP Wireless Application Protocol. Stack of protocols designed for sending simplified
Web pages to wireless devices. It replaces web protocols with its own, and requires
that pages be written in WML instead of HTML.
W-CDMA Wideband CDMA. A 3G CDMA system that is an evolution of the current GSM
network. W-CDMA operates on a 5 MHz channel and supports voice and data
services.