Nokia 2003 Annual Report Download - page 107

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GLOSSARY OF TERMS
3G:
Third generation communications technology.
3GPP (3
rd
Generation Partnership Project):
An agreement involving telecommunications
standards bodies to produce technical specifications and reports for ‘‘third generation’’ mobile
systems, based on evolved GSM core networks and the radio access technologies that they support.
The scope of 3GPP also extends to the maintenance and development of GSM technical
specifications and reports, including GPRS and EDGE.
Access network:
A network for the delivery of voice, data, text and images to end users.
ADSL (Asymmetric Digital Subscriber Line):
A transmission system that supports high bit rates
over existing copper twisted pair access networks, providing a high bit rate channel from the
network toward an ATM end system and a lower bit rate channel from the ATM end system
toward the network.
All-IP Network:
An integrated telecommunications network that uses IP for the transport of all
user data and signalling data.
Analogue:
A signaling technique in which signals are conveyed by continuously varying the
frequency, amplitude or phase of the transmission.
Base station:
Fixed transceiver (transmitter and receiver) equipment used for communicating
with mobile phones in a mobile network. A base station may cover one or more cells or a part of
a cell.
Bluetooth:
Short range radio technology that expands wireless connectivity to personal and
business mobile devices by enabling users to connect their mobile phones, computers, printers,
digital cameras, network access points and other electronic devices to one another without cables.
Broadband network:
A network that delivers higher bandwidth by using transmission channels
capable of supporting data rates greater than the primary rate of 9.6 Kbit/s.
Circuit switching:
Electronic communications via a dedicated channel, or circuit, for the duration
of the communication.
CDMA (Code Division Multiple Access):
A continuous digital transmission technology that uses a
coding system to mix discrete voice signals together during transmission and then separates the
signals at the end of transmission.
CDMA 2000:
A wireless technology that is based on the CDMA platform and can provide ISDN-like
speeds of up to 144 Kbps.
Cellular network:
A mobile telephone network consisting of switching centers (digital
exchanges), radio base stations and transmission equipment. A cellular telephone network services
an area that is divided into a number of smaller regions, called cells. This facilitates a continuous
connection between the base stations and the mobile phones. The connection is maintained even
if the mobile phone user moves from the area covered by one base station to the area of another
base station.
Core network:
A combination of exchanges and the basic transmission equipment that together
form the basis for network services.
DSL (Digital Subscriber Line):
A method of transmission utilized to transmit high-speed data on
any existing copper line or local loop to a subscriber’s telephone or other end user device.
Digital:
A signaling technique in which a signal is encoded into digits for transmission.
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