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Glossary
2G
Second Generation wireless communication
system. 2G system supports low quality voice
and low-rate packet-data service. 2G refers to
GSM in European countries, and CDMA in
America.
3G
Third Generation wireless communication
system. 3G means next generation wireless
communication system developed based on the
second generation wireless communication
systems. 3G system supports real-time
communication service and high-rate
packet-data service. 3G refers to UMTS
developed based on GSM in European
countries,
Access point
Access point refers to a point through which
users can connect to the network so that the
users can use the network services.
AMR
Adaptive Multirate codec. A voice codec
developed by ETSI for GSM. AMR supports 8
coding rates (from 4.75 to 12.2Kbps) so as to
adaptively provide the quality of voice service in
various radio channel conditions.
Download
Download means transmitting files from one
computer system to another. Downloading
usually means transmitting files from a big
system to a small system.
Java
TM
Programming language generating applications
that can run on all hardware platforms, whether
small, medium or large, without modification. It
has been promoted for and geared heavily to the
Web, both for public Web sites and Intranets.
When a Java program runs from a Web page, it
is called a Java applet. When it is run on a
mobile phone or pager, it is called a MIDlet.