Acronym

Full Form

1G

First Generation

2G

Second Generation

3G

Third Generation

3GPP

3rd Generation Partnership Project

4G

4th Generation

5G

Fifth Generation

AAA

Authentication Authorization, Account

ACC

Analog Control Channel

AMPS

Advanced Mobile Phone Service

APN

Access Point Name.

AUC

Authentication Center

BC

Billing Center

BCH

Broadcast Channel

BER

Bit Error Rate

BS

Base Station

BSC

Bachelor of Science, Base Station Controller

BTS

Base Transceiver Station

CBR

Constant Bit Rate

CDG

CDMA Development Group

CDMA

Code Division Multiple Access

CDMA2000

Code Division Multiple Access�

CDR

Call Detail Record

CN

Core Network

D/R

Distance to Reuse Ratio

DAMPS

Digital Advance Mobile Phone Service

DCC

Digital Color Code

DTA

Data Transfer Adapter

DTC

Digital Traffic Channel

EDGE

Enhanced Data for Global Evolution

EDI

Electronic Data Interchange

EIR

Equipment Identity Register

ESMR

Enhanced Specialized Mobile Radio

ETACS

Extended TACS

ETDMA

Extended Time Division Multiple Access

FDD

Frequency Division Duplex

FDM

Frequency Division Multiplexing

FDMA

Frequency Division Multiple Access

FM

Frequency Modulation

FSK

Frequency Shift Keying

FTMD

Full Track Music Download

GGSN

Gateway GPRS Support Node

GMSK

Gaussian Minimum Shift Keying

GPRS

General Packet Radio Service

GPS

Global Positioning System

GSM

Global System for Mobile communication

GSN

GPRS Support Node

HLR

Home Location Register

HTTP

Hyper Text Transfer Protocol.

IC

Interchange Carrier

iDEN

Integrated Dispatch Enhanced Network

IM

Instant Messenger.

IMEI

International Mobile Equipment Identity

IMSI

International Mobile Subscriber Identity

IP

Internet Protocol.

ISD

International Subscriber Dialing

ITC

Indian Tobacco Company, International Trade Center, Independent Telephone Company

ITU

International Telecommunication Union

IUC

Interconnect Usage Charge

IVRS

Interactive Voice Response System

IWF

Inter Working Function

JIO

Joint Implementation Opportunities

LBS

Location-Based Services

LCD

Liquid Crystal Display.

LMR

Land Mobile Radio

LTE

Long Term Evolution

MC

Message Center

MCS

Multi Carrier Mode

ME

Mobile Equipment

MIN

Mobile Identification Number

MIRS

Motorola Integrated Radio system

MSC

Mobile Switching Center

MTS

Mobile Telephone Service

NAMPS

Narrowband Advanced Mobile Phone Service

NMT

Nordic Mobile Telephone

NPDB

Number Portability Database

NTACS

Narrowband Total Access Communication Service

PAD

Packet Assembler And Disassembler

PCM

Pulse Coded Modulation

PCN

Personal Communications Network

PCO

Public Call Office

PCS

Provincial Civil Service & Personal Communication Service

PDA

Personal Digital Assistant

PDC

Personal Digital Cellular

PDSN

Packet Data Switched Network

PIN

Personal Identification Number

PM

Pulse Modulation

PN

Pseudorandom Noise

PPDN

Public Packet Data Network

PSTN

Public Switched Telephone Network

PTT

Post Telephone and Telegraph

PUK

PIN Unblocking Key

QoS

Quality of Service

RAN

Radio Access Network

RNC

Radio Network Controller

SCH

Synchronization Channel

SDMA

Spatial Division Multiple Access

SGSN

Serving GPRS Support Node

Subscriber Identity Module

SIS

Subscriber Identity Security

SMS

Short Message Service

SMSC

Short Message Service Center

TACS

Total Access Communications System

TCH

Traffic Channel

TDD

Time Division Duplex

TDMA

Time Division Multiple Access

TD-SCDMA

Time Division Synchronous Cod�

TFT

Thin Film Transistor

TIA

Telecommunications Industry Association

TRAI

Telecom Regulatory Authority of India

UE

User Equipment

UMTS

Universal Mobile Telecommunication System

UPR

User Performance Requirements

URL

Uniform Resource Locator.

USB

Universal Serial Bus

VI

Vodafone-Idea

VLR

Visitor Location Register

VMS

Voice Mail System

WAP

Wireless Application Protocol.

WCDMA

Wideband Code Division Multiple Access

WIFI

Wireless Fidelity

WLAN

Wireless Local Area Network

WWW

World Wide Web.