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Wireless Glossary

3G
3G (third generation)mobile telephony gives you high-speed access (up to 2mb/s). This may enable live pictures, camera etc. on your phone. Preceding 3G is analogue (1G). Then came GSM (2G). Currently GSM is now tested with GPRS(a "light version" of 3G.)
 
 
AIN
Advanced Intelligent Networks
AMPS (Advanced Mobile Phone System)
A standard for analogue mobile systems. Used in North America, Latin America, Australia and parts of Russia and Asia.
ASP (Active Server Pages)
Serverside scripting technology to make interactive web pages. Based on VBScript.
ATDMA
Advanced Time Division Multiple Access
AuC
Authentication Center
 
 
B (Byte)
1 byte = 8 bits. A byte is the smallest directly addressable memory unit in modern computers.
Bandwidth
Measures the data-carrying capacity of a communications channel. Usually measured in bits per second(bps).
Base station
The central radio transmitter/receiver that maintains communications with a mobile telephone. Most countries require several hundred base stations, in order to give approximated full coverage for mobile subscribers.
Base Transceiver Station
The network base station that talks to the mobile.
Bluetooth
Get the name from the Danish king Harald 1 Bluetooth who reigned from 940-985 A.D. .A radio technology built around a new chip that makes it possible to transmit signals over short distances between computers and handheld devices without the use of wires.
bps
Bits per second
BS
Base Station
BSC
Base Station Controller
 
Card
A WML card must exist inside a WML deck containing one or more cards.
CDMA (Code Division Multiple Access)
A technology for digital transmission of radio signals between, for example, a mobile telephone and a base station. The system uses the same frequency to allow multiple conversations. Each conversation is cut into snippets and then remodulated in reassembled in the other end.
CLIP
Caller Line Identity Presentation
CLIR
Caller Line Identity Restriction
Control Channel
The channel the phone and cell base station first communicate on.
 
 
D-AMPS (Digital Advanced Mobile Phone System)
Earlier designation of American standard for digital mobile telephony used primarily in America, Australia and parts of Russia and Asia.
Deck
A collection of WML cards.
DECT (Digital Enhanced Cordless Telecommunications)
A standard for cordless telephony.
DTD
Document Type Definition. A DTD defines the names and contents of all elements that are permissible in a certain document. A DTD is used to specify XML document structure.
Dual band
Dual band mobile phones can work on networks operating different frequency bands. Often urban areas operate on 1800, while suburbs use the 900-band. This is especially useful if you travel abroad. Some phones are able to switch between GSM 900,1800,1900 (tri-band) allowing you full coverage in Europe, America and Asia.
 
 
EIR
Equipment Identity Register
ESN
Electronic Serial Number
 
 
FDMA
Frequency Division Multiple Access
 
 
GHz
Gigaherz - A frequency measurement. One hertz equals one cycle per second. GHz = One Billion hertz.
GMSC
Gateway Mobile Switching Center
GPRS (General Packet Radio Service)
A packet-linked technology that may enable high-speed (up to 115 kilobit per second) access to wireless Internet in a GSM network. GPRS is IP-based, and may allow users to be online 24 hours.
GPS
Global Position System. Based on US defence satellite system, enables tracking of individuals. This technology may prove helpful when navigating a car in the city, or help emergency rescue-team to locate the person in need of help.
GSM (Global System for Mobile Communications)
The world’s most widely used mobile system. Used on the 900 MHz and 1800 MHz frequencies in Europe, Asia and Australia, and the MHz 1900 frequency in America.
 
HDML
Handheld Markup Language. Invented by phone.com, predecessor to WML.
HLR
Home Location Register
HSCSD
(High Speed Circuit Switched Data). A circuit-linked technology for higher transmission speed by combining several GSM channels at the same time. This may allow speeds up to 58 bps, far faster than original GSM (9.6bps). For upload HSCSD is limited to half the speed. This technology is the predecessor of GPRS, which may deliver up to 115kbs.
Hz
Hertz - radio frequency measurement (one hertz = one cycle per second).
 
 
IEMI
International Equipment Mobile Identity
IMEI
The IMEI (International Mobile Equipment Identity)is a 15 digit Code used to identify the GSM/DCS/PCS phone to the network.
IWF
Interworking Function (Modem)
 
 
Ki
Individual subscriber authentication key
 
 
LAI
Location Area Identity
LAN
Local Area Network. Many LANs use WiFi to connect the network wirelessly.
 
 
MAN
Metropolitan Area Network. A MAN allows areas the size of cities to be connected.
MB (Megabyte)
1MB = 1024 kilobytes (KB)
MO-SMS
Mobile-Originated Short Message Service
MSC
Mobile Switching Centre - The computer that places the calls, and takes and receives data from the subscriber or from PSTN (Public switched Telephone Network)
 
 
OMS
Operation and Maintenance Subsystem of the GSM network.
 
PAN
Personal Area Networks. A personal network between your devices, for example between your computer and your mobile phone. Bluetooth is one related standard, enabling this.
PDA
Personal Digital Assistent. Usually a hand-held device, such as the Palm Pilot or Psion.
PDC (Personal Digital Cellular)
A Japanese standard for digital mobile telephony (800 MHz and 1500 MHz bands).
PE
Primary Exchange
PHS (Personal Handyphone System)
Digital mobile telephone system according to Japanese standard (1900Mhz).
PIN
Personal Identity Number
PUC
PIN Unblocking Code
 
 
Reverse Control Channel
The opposite frequency, 45 MHz lower than the control channel. Used by the mobile.
Roaming
Means that your mobile phone automatically sets up communication procedures with different radio base stations when you are on the move. International roaming means that you can use networks other than your own when travelling abroad. Some phones allow for example switching between 900/1800 in Europe to 1900 in US.
Router
A data switch that handles connections between different networks. A router identifies the addresses on data passing through the switch, determines which route the transmission should take and collects data in "packets" which are sent to their destinations.
 
 
SET
SET (Secure Electronic Transaction) is a system for ensuring the security of financial transactions over the Internet. SET, may authenticate both user and merchant in order to approve the transaction.
SGML
Standardised Generalised Markup Language. The mother of all markup languages. XML is "SGML light". HTML is a loose application of SGML.
SMD-PP
Short Message Delivery Point-to-Point
SMS
Short Message Service
SMS (Short Message Service)
A service for sending messages of up to 160 characters to mobile phones that use Global System for Mobile (GSM) communication. GSM and SMS services are primarily available in Europe.
SMSC
Short Message Service Centre
SMS-IWMSC
SMS Interworking Mobile Switching Center
SS7
Signaling System 7
SSL (Secure Sockets Layer)
Protocol for managing the security of message transmissions in a network. The idea is that the programming for keeping your messages confidential ought to be contained in a program layer between an application (such as your Web browser) and the Internet’s TCP/IP layers. The current rate of SSL cryptation is 128.
 
 
TAP
Telocator Alphanumeric Protocol
TDMA
Time Division Multiple Access
 
 
UA
User Agent. Software that interprets WML, WMLScript, WTAI and other forms of code. Explorer, Netscape and Opera, are examples of UA´s)
UMTS (Universal Mobile Telecommunications System)
The name for the third generation mobile telephone standard in Europe. Also described as 3G.
 
 
VLR
Visitor Location Register
Voice channel
The channel you are assigned by the switch to commence the call on after the exchange of subscriber data.
VOIP (Voice Over Internet Protocol)
Describes the process of transmitting voice via data IP packages.
 
W3C
World Wide Web Consortium.
WAE
Wireless Application Environment. WAE specifies an environment that allows operators and service providers to build applications and services that can reach a wide variety of different platforms. WAE is part of the Wireless Application Protocol.
WAP
The Wireless Application Protocol is a family of protocols allowing mobile devices to access wireless services.
WAP Forum
WAP Forum, an organization of several big internet and telecom companies, develops the WAP protocol.
WAP Gateway
WAP gateway is a two-way software. Its main function is to offload the WAP mobile device from a lot of computational layers.
WAP Server
A WAP server is a web server. The computer programmers use WML instead of HTML.
WCDMA (Wideband Code Division Multiple Access)
Technology for wideband digital radio communications of Internet, multimedia, video and others - described as 3G.
WDP
Wireless Datagram Protocol
WML
A programming language that use for develop a WAP application.
WMLScript
Scripting language for WAP devices. Based on JavaScript, but less powerful.
WSP
Wireless Session Protocol. Provides the upper-level application layer of WAP with a consistent interface for two session services, a connection-mode service that operates above a transaction layer protocol, and a connectionless service that operates above a secure or non-secure datagram transport service.
WTLS
Wireless Transport Layer Security. The "equivalent" to SSL (Secure Sockets Layer) widely used in the HTML world - although not identical in functionality.
WTP
Wireless Transaction Protocol
WYSIWYG
What You See Is What You Get.
 
 
XML
Extensible Markup Language. W3C´s standard for Internet Markup Languages. WML is one of these languages.

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Revised: 07/21/2009