Nokia 2005 Annual Report Download - page 135

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GLOSSARY OF TERMS
2G (second generation mobile communications):
A digital cellular system such as GSM 900,
1800 and 1900.
3G (third generation mobile communications):
A digital system for mobile communications
that provides increased bandwidth and lets a mobile device user access a wide variety of services,
such as multimedia.
3GPP (Third Generation Partnership Project) and 3GPP2 (Third Generation Partnership
Project 2):
Projects in which standards organizations and other related bodies have agreed to
co-operate on the production of globally applicable technical specifications for a third generation
mobile system.
3GPP Release 4:
A particular version of 3GPP standards in which the control and traffic layers in
the circuit-switched core are separated.
Access network:
A telecommunications network between a local exchange and the subscriber
station.
Analogue:
A signaling technique in which signals are conveyed by continuously varying the
frequency, amplitude or phase of the transmission.
Base station:
A network element in a mobile network responsible for radio transmission and
reception to or from the mobile station.
Base station controller:
A network element in a mobile network for controlling one or more
base transceiver stations in the call set-up functions, in signaling, in the use of radio channels, and
in various maintenance tasks.
Bluetooth:
A technology that provides short-range radio links to allow mobile computers, mobile
phones, digital cameras, and other portable devices to communicate with each other 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.
CDMA (Code Division Multiple Access):
A technique in which radio transmissions using the same
frequency band are coded in a way that a signal from a certain transmitter can be received only
by certain receivers.
Cellular network:
A mobile telephone network consisting of switching centers, radio base
stations and transmission equipment.
Circuit switching:
Electronic communications via a dedicated channel, or circuit, for the duration
of the communication.
Core network:
A combination of exchanges and the basic transmission equipment that together
form the basis for network services.
Digital:
A signaling technique in which a signal is encoded into digits for transmission.
Dual Transfer Mode (DTM):
A transfer mode in which a mobile station is simultaneously in
dedicated mode and packet transfer mode.
DVB-H (Digital Video Broadcast—Handheld):
A digital TV broadcasting technology based on
traditional terrestrial antenna broadcast technology that enables service reception in handheld
devices.
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