Abbreviation or Acronym and Elaboration

Global System for Mobile Communications is the Abbreviation and Elaboration of GSM and 3G is the Abbreviation of Third (3RD) Generation in Telecom zone. All essential acronym and expansion are given below for your information. The Global System for Mobile Communications (GSM) may be a set of recommendations and specifications for a digital cell network (known as a Public Land cellular Net, or PLMN).

==Numeric==

1G=First Generation

2G=Second Generation

3G=Third Generation

3GPP=Third-Generation Partnership Project

8-PSK=Octagonal Phase Shift Keying

 ==A==

AAL=ATM Adaptation Layer

AMPS=Advance Mobile Phone System

API=Application Programming Interface

ATM=Asynchronous Transfer Mode

AuC=Authentication Center

ALM=Alarm

AAL5=ATM Adaptation Layer 5

ACI=Adjacent Channel Interference

ASK=Amplitude Shift Keying

AVS=Automatic Voltage Stabilizer

AVR=Automatic Voltage Regulator

ASK=Amplitude Shift Keying

AuC=Authentication Center

==B==

BG=Border Gateway

BSBC=Universal BBU Subrack Back plane type C 

BGCF=Breakout Gateway Control Function

BTRC=Bangladesh Telecommunication Regulatory Commission

BBU=Base Band Unit

BTS=Base Transceiver Station

BPSK=Binary Phase Shift Keying

BMC=Broadcast/Multicast Control

BRAN=Broadband Radio Access Network

BFSK=Binary Frequency Shift Keying

BSC=Base Station Controller

BSBC=Universal BBU Subrack Backplane type C

  BSS=Base Station Subsystem

==C==

CM=Communication Management

CMPT=CDMA Main Processing & Transmission Unit
 

CMPT=CDMA Main Processing & Transmission Unit

CS=Circuit Switched

CSPDN= Circuit Switched Public Data Network

CS-MGW= Circuit Switched Media Gateway

CSCF=Call Session Control Function

CN=Core Network

CAMEL=Customised Application for Mobile Network Enhanced Logic

CCNA=Cisco Certified Network Association

CR=Current Request

CPRI=Common Protocol Radio Interface

CCI=Co-Channel Interference

CDMA=Code Division Multiple Access

==D==

DTE=Data Terminal Equipment

D-AMPS=Digital Advance Mobile Phone System

DIP=Digital Integration Path

DCDU=Direct Current Distribution Unit

DRFU =Double Radio and Filter Unit

==E==

BER=Bit Error Rates

E-RAN=EDGE Radio Access Network

ETSI=European Telecommunication Standard Institute

E-GPRS=Enhanced General Packet Radio Service

EDGE=Enhanced Data Rates for GSM Evolution

EFR=Enhanced Full-Rate

ETSI=European Telecommunications Standards Institute

EIR=Equipment Identity Register

EMI=Electromagnetic Interference

EV-DO=Evolution Data Optimized

==F==

FM=Frequency Modulation

FDD=Frequency Division Duplex

FDMA=Frequency Division Multiple Access

FSK=Frequency Shift Keying

==G==

GMM=GPRS Mobility Management

GTP-C/U=GPRS Tunneling Protocol-Control/User

GERAN=GSM/EDGE Radio Access Network

GATM=GSM Antenna and TMA Control Module

GATM=GSM Antenna and TMA Control Module

GTMU=GSM Transmission & Management Unit for BBU

GMSK=Gaussian Minimum Shift Keying

GPS=Global Positioning System

GMSC=Gateway Mobile Services Switching Center

GMLC=Gateway Mobile Location  Center

GGSN=Gateway General Packet Radio Service Support Node

GPRS=General Packet Radio Service

GSM=Global System for Mobile Communications

==H==

HSCSD= High Speed Circuit Switched Data

HSS=Home Subscriber Server

HYB=Hybrid
 
HCPM=HERT Channel Processing Module

HTTP=Hyper Test Transfer Protocol

HSPA=High Speed Packet Access

HSDPA=High Speed Download Packet Access

HSUPA=High Speed Upload Packet Access

HLR=Home Location Register

==I==

IPoA=IP over ATM

IBS=Indoor Base Station 
 
IDB=Installation Data Base
 
ITC=International Terrestrial Cable

I- CSCF=Interrogating Call Session Control Function

IN=Intelligent Network

IP=Internet Protocom

IPv4=Internet Protocol version 4

IPv4=Internet Protocol version 6

ISP=Internet Service Provider

ISUP=ISDN User Part

IDU=In-Door Unit

IF=Intermediate Frequency

ITU=International Telecommunication Union

ISI=Inter-Symbol Interference

ICI=Inter-Carrier Interference

ISDN=Integrated Services Digital Network

IMSI=International Mobile subscriber Identity

IMEI=International Mobile Equipment Identities

IMS=IP Multimedia Subsystem

==J==

==K==

KVA=Kilo Volt Ampere

KCL= Kirchhoff s Current Law

KVL= Kirchhoff s Voltage Law

 

 ==L==

L1=Line 1-Radio Physical Layer

L2=Line 2-Radio Data Link Layer

L1=Line 3-Radio Network Layer

LCS=Location Communication System

LAN=Local Area Network

LOS=Line Of Site

LOF=Lose Of Frame

LVD=Line Volt Detectors

LPC=Linear Predictive Coder

LTE=Long Term Evolution

LVD= Low Voltage Detector

LASER= Light Amplification Stimulation Emotion of Radiation

 

==M==

MTP3/2=Message Transfer Part 3/2

MMS=Multimedia Messaging Service

ME=Mobile Equipment

MM=Mobility Management

MGW=Media Gateway

MGCF=Media Gateway Control Function

MRFC=Multimedia Resource Function Controller

MRFP= Multimedia Resource Function Processor

MAC=Medium Access Control

MAP=Mobile Application Part

MRFU=Multiple Radio Frequency Unit

MSC=Mobile Services Switching Center

==N==

NMS=Network Management Subsystem

NFAP=National Frequency Allocation Plan

NSS=Network Subsystem

NTTN=Nationwide Telecommunication Transmission Network

==O==

OSA=Open Service Architecture

OSI=Open System Interconnection

O&M=Operation & Maintenance

OFDMA=Orthogonal Frequency Division Multiple Access

OTDOA=Observed Time Difference Of  Arrival

==P==

PDC=Personal Digital Cellular

PNMS=Pasolink Network Management System

PMU=Power and Environment Monitoring Unit

PSU=Power Supply Unit

PPP=Point to Point Protocol

PDCP=Packet Data Convergence Protocol

PDF=Policy Decision Function

PDP=Packet Data Protocol

P-CSCF=Proxy Call Session Control Function

PDN=Public Data Network

PAM=Pulse Amplitude Modulation

PDM=Pulse –Duration Modulation

PPM=Pulse-Position Modulation

PSTN=Public Switched Telephone Network

PLMN=Public Land Mobile Network

PSK=Phase Shift Keying

PCM=Pulse Code Modulation

PSPDN=Packet Switch Public Data Network

PTM-SC=Point-To-Multipurpose Service Center

PISM=Pre-Installation Site Meeting

PDH=Plesiochronous Digital Hierarchy

PNMT=Pasolink Network Management Terminal

PMU=Power and Environment Monitoring Unit

PSU=Power Supply Unit

 

==Q==

QoS=Quality of Service

QAM=Quadrature Amplitude Modulation

QPSK= Quadrature Phase Shift Keying

==R==

RBR=Required Buffering Resources

RBS=Radio Base Station

RNR=Required Network Resources

RRU=Radio Resource Unit

RAB=Radio Access Bearer

RRC=Radio Resource Control

RANAP=Radio Access Network Application Protocol

RRM=Radio Resource Management

RNC=Radio Network Control

RLC=Radio Link Control

RNS=Radio Network Subsystem

RAN=Radio Access Network

RPE=Regular Pulse Excited

RRU=Remote Radio Unit

ROM=Regional Operation & Maintenance

==S==

SAP=Service Access Point

SIM=Subscriber Identity Module

SS=Supplementary Service

SS7=Signaling System No 7

SM=Session Management

SCCP=Signaling Connection Control Part

SAAL=Signaling ATM Adaptation Layer

SLF=Subscription Locator Function

S-CSCF=Serving Call Session Control Function

SES=

SOC=

SOS=

SNDCP=Sub-Network Dependent Convergence Protocol

SGSN=Serving General Packet Radio Service Support Node

SDH=Synchronous Digital Hierarchy

SIM=Subscriber Identity Module

==T==

TA=Terminal Adaptation

TACS=Total Access Communication System

TCAP=Transaction Capabilities Application Part

TDOA=Time Difference Of  Arrival

TRAU=Transcoding and Rate Adaptation Unit

TE=Terminal Equipment

TDMA=Time Division Multiple Access

TMSI=Temporary Mobile Subscriber Identity

TDD=Time Division Duplexing

==U==

UICC=Universal Integrated Circuit Card

UTRP=Universal Extension Transmission Processing Unit

USCU=Universal Satellite Card and Clock Unit

UDP=User Data gram Protocol

UBRI=Universal BBU Radio Interface

UMTS=Universal Mobile Telecommunications System

UHF=Ultra High Frequency

UPEU=Universal Power and Environment Interface Unit

USAT=UMTS SIM Application Toolkit

UBFA=Universal BBU Fan Unit Type A (2 U)

UTRAN=Universal Terrestrial Radio Access Netywork

UEIU= Universal Environment Interface Unit

UELP=Universal E1/T1 Lighting Protection Unit

==V==

VAS=Value Added Service

VAD=Voice Activity Detector

VHF=Very High frequency

VSWR=Voltage Standing Wave Ratio

VLR=Visitor Location Register

VMS=Voice Mail System

VoIP=Voice Over Internet Protocol

==W==

WML=Wireless Markup Language

WAP=Wireless Application Protocol

WiMAX=World Wide interoperability for Microwave Access

WCDMA=Wideband Code Division Multiple Access

WWW=World Wide Web

==X==

==Y==

==Z==

Dear Respectable Readers, if you found any wrong Abbreviation or Elaboration or Information into this page, please inform me by commenting or E-mailing!