Technical Description and User Guide C3607w
4/1424-LZT 108 9714/01 Uen Rev B 2009-12-11
©
Ericsson AB 2009
Commercial in confidence
26 (28)
11 Terminology
and
Abbreviations
2G
Generic term for the second generation of cellular networks,
when digital technology was used. GSM is a 2G network.
3G
Generic term for the third generation of cellular
networks such as UMTS.
APN
Access Point Name. Used in GPRS to define services to
which the terminal can connect, for example, Internet, WAP,
MyCompany.
bps
Bits per second – rate of data flow.
CS
Circuit Switched. Connection from A to B which has a fixed
bandwidth and is maintained over a period of time, for
example a voice telephone call.
CS-1 to CS-4
Coding Scheme. Determines the data rate per timeslot in
GPRS.
E-GPRS
Enhanced GPRS. A GPRS network enhanced with EDGE
technology to provide greater speed and capacity.
EGSM
Extended GSM. New frequencies specified by the European
Radio Communications Committee (ERC) for GSM use when
additional spectrum is needed (Network-dependent). It allows
operators to transmit and receive just outside GSM’s core 900
frequency band. This extension gives increased network
capability.
EAP
Extensible Authentication Protocol.
EDGE
Enhanced Data Rates for Global Evolution.
Technology which improves the throughput of a GPRS
network by a factor of 3.
GMSK
Gaussian Minimum Shift Keying. A method of modulating
data, used in GPRS and EDGE.
GPRS
General Packet Radio Services.
GPS
Global Positioning System.
GSM
Global System for Mobile Communications. GSM is the
world’s most widely-used digital mobile phone system. At the
end of Jan 2004 there were over one billion GSM subscribers
across more than 205 countries.
GSM850
GSM network operating in the 850MHz band. Used in the
USA.