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Wireless Telecommunication, Computing, Displays, Internet, Security, Data Exchange, Windows CE, Miscellaneous

 

Wireless Telecommunication

3GPP    3rd Generation Partnership Project 

AFLT    Advanced Forward Link Trilateration - location services

AGPS    Assisted GPS - location services

APN    Access Point Name (GGSN)

AUC    Authentication Center

BTS   Base Transceiver Station

BSC   Base Station Controller

Cell    area covered by one GSM base station (cell diameter macro: 20-30 km, micro: 1-2 km, pico some hundred meters) 

CDMA    Code Division Multiple Access. A technique of multiplexing, also called spread spectrum, in which analog signals are converted into digital form for transmission.For each communication channel, the signals are encoded in a sequence known to the transmitter and the receiver for that channel.

CLIP   Calling Number Identification Presentation: display caller number

CLIR   Calling Number Identification Restriction: no display of caller number

CHAP   Challenge Handshake Authentication Protocol

Coding Scheme   GPRS coding per channel CS1: 9,05 BitpS, CS2: 13,5 BitpS, CS3: 15,6 BitpS, CS4: 21,4 BitpS

CPS   Cambridge Positioning System

DECT   Digital Enhanced Cordless Telecommunication

E911   Enhanced 911 emergency service (US) for wireless services and Automatic Location Identifier (AIL) as part of Phase II E911 

EDGE   Enhanced Data Rates for GSM Evolution: 384000 BitpS

EIR   Equipment Identity Register

EFLT   Enhanced Forward Link Trilateration - location services

EMS   Enhanced Message Service, successor of SMS with additional picture, sound and animation features

ENUM   Electronic Numbering Protocol: maps phone numbers to internet adresses using a system based on DNS architecture.

EONS  Enhanced Operator Name String - could take the string from different sources e.g. sim card 

EOTD  Enhanced Observed Time Difference

FDMA    Frequency Division Multiple Access

Fullrate/Halfrate-CODEC    full rate: voice channel at a speed of 13000 Bits/s - half rate is using half of the bandwith 

GGSN    Gateway GPRS Support Node

GMSC    Gateway Mobile Service Switching Center

GPRS   General Packet Radio Service: up to 4 channels = 57.600 -> 115.200 -> 172.800 BitpS

GSM   Global System for Mobile Networks: 9,6 to 14,4 kBitpS

HLR   Home Location Register

HSCSD   high speed circuit switched data: 4 channels a 14.400 BitpS = 57.600 BitpS

HSDPA   High Speed Downlink Packet Access, an UMTS release 5 based standard for hight speed download up to 10.8 Mbps

IMPS  Instant Messaging and Presence Service

IMS  Internet Protocol based multimedia subsystem

IrDA   Infrared Data Association point-to-point, bi-directional communication mechanism that uses infrared. IrDA comes in two speeds: one low speed (simply called IrDA / 1.1 - 1.2), running at 9.6- to 115 Kbits/s, and the other high speed (Fast IrDA 2.0), running at 1- to 4 Mbits/s. 

ISDN   Integrated Services Digital Network

MMS   Multimedia Messaging Service

MMSC   Multimedia Messaging Service Center

MS   Mobile Station (e.g. mobile phone)

MSC   Mobile Service Switching Center

MSISDN   Mobile Station ISDN Number

MT   Mobile Terminal

NITZ   Network Identity Time Zone

PLMN   Public Land Mobile Network

PPLMN   Periodic PLMN rescan for PLMN with higher priority

PVC   Permanent Virtual Circuit

RADIUS   Remote Authentication Dial In User Service

RNC    Radio Network Controller

SGSN   Serving GPRS Support Node

SIM    Subscriber Identity Module

SIP  Session Initiation Protocoll

SMSC   Short Message Service Center

TE   Terminal Equipment

TDMA   Time Division Multiple Access. A multiplexing technology used with satellites and cellular phones, in which multiple channels of data are interleaved (each signal is assigned to a different time interval, and the signals are transmitted by taking turns).

TDOA    Time Difference of Arrival - location services

UMTS   Universal Mobile Telecommunication System: up to 2.097.152 BitpS

VLR   Visitor Location Register

VPN   Virtual Private Network

WCDMA-FDD    Code Division Multiple Access with Frequency Division Duplex

WCDMA-TDD    Code Division Multiple Access with Time Division Duplex

 

Computing

CORBA   Common Object Request Broker Architecture

 

Displays

CIF   352x288

LCD    Light Crystal Display

LED    Light Emitting Diode

OLED   Organic Light Emitting Devices

QZIF   176x144

SubQZIF   96x128

TFT   Thin Film Transistor, a Liquid Crystal Display technology

HDTV   High Definition Television provides resolution up to 1920x1080 (digital TV formats)

 

Internet

ASCII   American Standard Code for Information Exchange

Bluetooth   Wireless transmission standard (Bluetooth Profiles)

CHTML   Compact HTML (.htc)

CSS   Cascading Style Sheet

DHCP   Dynamic Host Configuration Protocol

DHTML   Dynamic HTML

DIVX   Digital Video Experience based on MPEG4 algorithms. DVD copies with typical data rate up to 400 KBit/sec. Usual resolution 352x288.

DNS   Domain Name System

DOM   Document Object Modul

DTD   Document Type Description

DHCP   Dynamic Host Configuration Protocol

EDI   Electronic Data Interchange

EDIFACT   Electronic Data Interchange for Administration, Commerce and Transport

HTTP   Hyper Text Transfer Protocol

IMAP4   Internet Message Access Protocol for connectionless access of user agents to message transfer agents.

MAC address   Media Access Control adress: unique identifier for network card hardware.

MIME   Multipupose Internet Mail Extension of the SMTP protocol for simplifying non binary file transmission.

MPEG1   Motion Picture Experts Group. Video on CD, Web video with typical data rate up to 1,5 MBit/sec. Usual resolution 352x288.

MPEG2   Motion Picture Experts Group. DVD and digital TV with typical data rate up to 9 MBit/sec. Usual resolution 768x576.

MPEG4   Motion Picture Experts Group. Video streaming with typical data rate up to 400 KBit/sec. Usual resolution 352x288.

NET   Network Address Translation

PDU   Protocol Data Unit

PING   Packet Internet Gopher The simplest way to test or time the response of an Internet connection. PING sends a request to an Internet host and waits for a reply (PONG). When you PING an address, you get a response telling you the number of seconds it took to make the connection. PING clients exist for a number of platforms, or you can use a UNIX or Windows 95 prompt to issue a PING command directly.

POP   Post Office Protocol A protocol designed to allow single users to read mail from a server. There are three versions: POP, POP2, and POP3. When email is sent to you, it is stored on the server until accessed by you. Once you are authenticated, the POP is used to transmit the stored mail from the server to your local mailbox on your client machine.

PPP   Point-to-Point Protocol A protocol that provides a method for transmitting packets over serial point-to-point links. PPP is one of the most popular methods for dialup connections to the Internet, since it allows you to use other standard protocols (such as IPX, TCP/IP,) over a standard telephone connection, but it can also be used for LAN connections.

SAX   Simple API for XML (XML parsing)

SGML   Standardized General Markup Language

SLIP   Serial Line Internet Protocol Similar to PPP, SLIP is another standard protocol used to run TCP/IP over serial lines, such as telephone circuits or RS-232 cables. Unlike PPP, however, SLIP does not work on a LAN connections. SLIP used to be the most popular way for dialup users to access the Internet. PPP has become more popular

SMIL   Synchronised Multimedia Integration Language: markup language to integrate sound, text, animation and video into web sites.

SMTP   Simple Mail Transfer Protocol A protocol used to transfer email. SMTP transfers mail from server to server, and the end user must use POP to transfer the messages to their machine.

TCP/IP   Transmission Control Protocol/Internet Protocol

UDP    User Datagram Protocol

WebDAV   Web Document Authoring and Versioning

WML   Wireless Markup Language

WAP   Wireless Access Protocol

XHTML   XHTML is the reformulation of HTML 4 as an application of XML

XML   Extensible Mark-up Language

XPath   XML Database Access

XSL   Extensible Style sheet Language

XSLT   XSL Transformation to transform to other document formats

Security

Authentication   Making sure that another party is actually who they claim to be.

Authorisation   Determining whether a particular party has the right to perform a particular action with respect to a particular object, in a particular situation.

Confidentiality   To ensure confidentiality of information it is usually encrypted.

Integrity   Receiver gets exactly the information that was sent.

Non-repudiation   The impossibility for the parties to a transaction to deny either that the transaction took place, or that they were party to it.

PKI   Public Key Infrastructure

SSL   Secure Socket Layer

TLS   Transport Layer Security (formerly SSL). TLS requires a reliable transport layer (TCP).

WTLS   Wireless Transport Layer Security (based on SSL). WTLS can operate on WDP and UDP and builds reliability in a higher level of the protocol stack WTP ( Wireless Transaction Protocol) and WSP (Wireless Session Protocol). WLTS class I: no authentication, class II: server authentication, class III: server and client authentication.

Data exchange

SET   Secure Electronic Transaction. A standard for electronic transactions set by companies like VISA/Mastercard

bps   bits per second

SPDIF   Sony-Philips Data Interchange Format

Instant Messaging   A type of communications service that enables you to create a private chat room with another individual. Typically, the instant messaging system alerts you whenever somebody on your private list is online. You can then initiate a chat session with that particular individual. 

MIME   Multipurpose Internet Mail Extensions Encoding MIME is a standardized method for organizing divergent file formats. The method organizes file formats according to the file's MIME type. When Internet (usually email) software retrieves a file from a server, the server provides the MIME type of the file, and the file is decoded correctly when transferred to your machine. 

FAX   

fax   class 1 fax software incorporates the whole communication stack

fax   class 2 modem controls communication stack

Windows CE

Merlin   Code name for next release of Pocket PC (2002) still running Windows CE 3.0

SIP   Software Input Panel

Talisker   Code name for the next version of the Microsoft Windows CE (CE 4.0) operating system. It is designed for small-footprint connected mobile devices. New features included in "Talisker" beta 1 are among others better wireless and network connectivity through native support for Bluetooth, Universal Plug and Play (UPnP) and new USB drivers, enhanced multimedia functionality with DVD support, and improved security with the inclusion of the Kerberos security protocol and support for secure socket layers (SSL) for the HTTP Server in "Talisker." Microsoft is targeting late 2001 for final release.

Ozon   Code name for Pocket PC 2003 running Windows CE 4.0

Magneto   Code name for  Pocket PC 2004 

 

Miscellaneous

AC   Alternating Current

ATRAC   Adaptive Transform Acoustic Coding (compression by Sony)

CE   Communauté Europeénne

DC   Direct Current

GPS    Global Positioning System

ISDN    Transfer rate: base channel 1 (B1) 64 kbit/s, base channel 2 (B") 64 kbit/s, control channel (D) 16 kbit/s.

PCB   Printed Circuit Board

PDA-friendly MobileFirstAid