A-C
ARIB
Association of Radio Industries and Businesses. An incorporated body designated
by the Ministry of Posts and Communication of the Japanese government to
pursue effective radio utilisation in the radio communication and broadcast
sector. With regard to standardisation, ARIB is currently primarily engaged in
standardising procedures for IMT-2000 (next generation mobile communication
system) and digital TV broadcasting.
ATM
Asynchronous Transfer Mode. Technology for high-speed transport (up to 6.22
megabytes per second) and switching of various types of data, voice and
signals. In contrast to Synchronous Transfer Mode (STM) which always
transfers a frame whether or not data for transmission is present, ATM
transfers a cell to the network only when data to be transmitted actually
exists. Hence the dubbing “asynchronous”.
BEARER
The name of the ‘virtual bit pipe’ carrying a particular end user service
BLUETOOTH
Short range radio technology expanding wireless connectivity to personal and
business mobile devices enabling users to connect their mobile phones,
computers, printers, digital cameras and other electronic devices to one
another without cables. Bluetooth has begun to experience rapid proliferation,
and is fast becoming a defacto world-wide standard. Nokia participates as a
founding member in the Bluetooth Special Interest Group (SIG). Current
membership inSlG comprises over 1300 firms from all over the world.
BTS
Base Transceiver Station. Although specifications differ for each system, the
BTS effects radio communication with mobile stations (MS) via its respective
radio access system and transmits/receives signals to/from connected radio
network controllers (RNC) located along transmission routes.
CDMA
Code Division Multiple Access is one type of multiple access system used in
radio communication. Other multiple access methods include TDMA, FDMA,
etc.
CDMAONE/IS-95
Interim Standard-95 is one type of digital mobile phone system which applies
CDMA to realise large volume traffic and enable numerous users to access a
limited bandwidth. Also known as cdmaOne, this system is used in Hong
Kong, North and South America, Korea and Japan.
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