Principles Digital Communication System & Computer Networks (Charles River Media Computer Engineering)

2G

Second Generation (wireless networks)

2.5G

Two and a half generation (wireless networks)

3G

Third Generation (wireless networks)

3GPP

3G Partnership Program

AAL

ATM Adaptation Layer

ACL

Asynchronous Connectionless Link

ACM

Association for Computing Machinery

ADPCM

Adaptive differential pulse code modulation

ADSL

Asymmetric Digital Subscriber Line

AI

Artificial Intelligence

AIN

Advanced Intelligent Network

AM

Amplitude Modulation

AMPS

Advanced Mobile Phone System

ANSI

American National Standards Institute

API

Application Program Interface

ARPA

Advanced Research Projects Agency

ARQ

Automatic Repeat Request

ASCII

American Standard Code for Information Interchange

ASK

Amplitude Shift Keying

ASP

Application Service Provider

ATM

Asynchronous Transfer Mode

AuC

Authentication Center

AVVID

Architecture for Voice, Video, and Integrated Data

BER

Bit Error Rate

BGP

Border Gateway Protocol

BPSK

Binary Phase Shift Keying

BSC

Base Station Controller

BSU

Base Station Unit

BTS

Base Transceiver Subsystem

CAS

Channel Associated Signaling

CCS

Common Channel Signaling

CDMA

Code Division Multiple Access

CDN

Content Distribution Network

CDR

Call Details Record

CDROM

Compact Disk Read-Only Memory

CHAP

Challenge Handshake Authentication Protocol

CMIP

Common Management Interface Protocol

CRC

Cyclic Redundancy Check

CRM

Customer Relations Management

CSMA/CA

Carrier Sense Multiple Access/Collision Avoidance

CSMA/CD

Carrier Sense Multiple Access/Collision Detection

CTI

Computer Telephony Integration

CUG

Closed User Group

CVSD

Continuously Variable Slope Delta (modulation)

DAMA

Demand Assigned Multiple Access

DAP

Directory Access Protocol

DARPANET

Defense Advanced Research Projects Agency NETwork

DCE

Data Circuit Terminating Equipment

DECT

Digital Enhanced Cordless Telecommunications

DES

Data Encryption Standard

DGPS

Differential Global Positioning System

DLC

Digital Loop Carrier

DM

Delta Modulation

DNS

Domain Name System

DSL

Digital Subscriber Line

DTE

Data Terminal Equipment

DTMF

Dual Tone Multi-Frequency

DVB

Digital Video Broadcast

DWDM

Dense Wave Division Multiplexing

EBCDIC

Extended Binary Coded Data Interchange Code

EGP

Exterior Gateway Protocol

EHF

Extra High Frequency

EIA

Electronic Industries Association

EIR

Equipment Identity Register

ETSI

European Telecommunications Standards Institute

FCC

Federal Communications Commission

FEC

Forward-acting Error Correction

FDDI

Fiber Distributed Data Interface

FDM

Frequency Division Multiplexing

FDMA

Frequency Division Multiple Access

FH

Frequency Hopping

FOMA

Freedom of Mobile Multimedia Access

FM

Frequency Modulation

FSK

Frequency Shift Keying

GEO

Geosynchronous Earth Orbiting (satellite)

GMSK

Guassian M-ary Shift Keying

GPRS

General Packet Radio Service

GPS

Global Positioning System

GSM

Global System for Mobile Communications

GUI

Graphical User Interface

HCI

Host Controller Interface

HDLC

High Level Datalink Control

HDSL

High Data Rate Digital Subscriber Line

HF

High Frequency

HiperLAN

High Performance Local Area Network

HLR

Home Location Register

HMI

Human Machine Interface

HTML

Hypertext Markup Language

HTTP

Hypertext Transfer Protocol

ICMP

Internet Control Message Protocol

IEEE

Institute of Electrical and Electronics Engineers

IETF

Internet Engineering Task Force

IGP

Interior Gateway Protocol

IMEI

International Mobile Equipment Identity

IMSI

International Mobile Subscriber Identity

IN

Intelligent Network

IP

Internet Protocol

IPN

Interplanetary Internet

IPsec

IP Security Protocol

IrDA

Infrared Data Association

IRP

Interior Router Protocol

ISCII

Indian Standard Code for Information Interchange

ISDN

Integrated Services Digital Network

ISM

Industrial, Scientific, and Medical (band)

ISO

International Organization for Standardization

ISP

Internet Service Provider

ITU

International Telecommunications Union

IVR

Interactive Voice Response

IWF

Interworking Function

JMF

Java Media Framework

JPEG

Joint Photography Experts Group

JVM

Java Virtual Machine

L2CAP

Logical Link Control and Adaptation Protocol

L2F

Layer 2 Forwarding (protocol)

L2TP

Layer 2 Tunneling Protocol

LAN

Local Area Network

LDAP

Lightweight Directory Access Protocol

LEO

Low Earth Orbiting (satellites)

LLC

Logical Link Control

LPC

Linear Prediction Coding

MAC

Media Access Control

MAN

Metropolitan Area Network

MD

Mediation Device

MEO

Medium Earth Orbiting (satellite)

MHS

Message Handling System

MIB

Management Information Base

MIDP

Mobile Information Device Profile

MIME

Multipurpose Internet Mail Extension

MPEG

Moving Picture Experts Group

MS

Mobile Station

MSC

Mobile Switching Center

NC

Network Computer

NE

Network Element

NMC

Network Management Center

NMT

Nordic Mobile Telephony

OCR

Optical Character Recognition

OFDM

Orthogonal Frequency Division Multiplexing

OMC

Operation and Maintenance Center

OS

Operating System

OSI

Open Systems Interconnection

OSPF

Open Shortest Path First

PAN

Personal Area Network

PBX

Private Branch Exchange

PC

Personal Computer

PCM

Pulse Code Modulation

PDA

Personal Digital Assistant

PDN

Public Data Network

PDU

Protocol Data Unit

PLMN

Public Land Mobile Network

POCSAG

Post Office Code Standardization Advisory Group

PoP

Point of Presence

PPG

Push Proxy Gateway

PPTP

Point-to-Point Tunneling Protocol

PSK

Phase Shift Keying

PSTN

Public Switched Telephone Network

PVC

Permanent Virtual Circuit

QoS

Quality of Service

QPSK

Quadrature Phase Shift Keying

RADIUS

Remote Authentication Dial In User Service

RFC

Request for Comments

RMI

Remote Method Invocation

RSU

Remote Station Unit

RTCP

Realtime Control Protocol

RTP

Realtime Transport Protocol

SAN

Storage Area Network

SCO

Synchronous Connection Oriented (link)

SCP

Signaling Control Point

SCPC

Single Channel Per Carrier

SDP

Service Discovery Protocol

SMS

Short Messaging Service

SMTP

Simple Mail Transfer Protocol

SNMP

Simple Network Management Protocol

SNR

Signal to Noise Ratio

SS7

Signaling System No. 7

SSMA

Spread Spectrum Multiple Access

SSP

Signaling Switching Point

STP

Signaling Transfer Point

SVC

Switched Virtual Circuit

TACS

Total Access Control System

TCP

Transmission Control Protocol

TDD

Time Division Duplex

TDM

Time Division Multiplexing

TDMA

Time Division Multiple Access

TDMA-FDD

Time Division Multiple Access-Frequency Division Duplex

TDMA-TDD

Time Division Multiple Access-Time Division Duplex

TLS

Transport Layer Security

TMN

Telecommunications Management Network

TMSI

Temporary Mobile Subscriber Identity

UART

Universal Asynchronous Receiver/Transmitter

UDP

User Datagram Protocol

UHF

Ultra High Frequency

UMTS

Universal Mobile Telecommunication System

URL

Uniform Resource Locator

UTP

Unshielded Twisted Pair

VC

Virtual Circuit

VLF

Very Low Frequency

VLR

Visitor Location Register

VoIP

Voice over IP

VSAT

Very Small Aperture Terminal

VPN

Virtual Private Network

WAN

Wide Area Network

WAP

Wireless Application Protocol

WARC

World Administrative Radio Conference

WDP

Wireless Datagram Protocol

WDM

Wave Division Multiplexing

WiFi

Wireless Fidelity

WLL

Wireless Local Loop

WML

Wireless Markup Language

WS

Work Station

WSP

Wireless Session Protocol

WTP

Wireless Transaction Protocol

WTLS

Wireless Transport Layer Security

XHTML

eXtensible Hypertext Markup Language

XML

eXtensible Markup Language