Abbreviations used in Telecommunication Industry

Here I have listed few Abbreviations that I came across during my training. 

ANC - Antenna Network Combiner

ARFCN - Absolute Radio Frequency Channel Number

BBH - Base Band Hopping

BCC - Base Station Color Code

BCCH - Broadcast Common Control Channel

BOI - Board of Investment

BSC - Base Station Controllers

BSIC - Base Station Identification Code

BSS - Base Station Substation

BTS - Base Transceiver Stations

CDR - Caller Detail Record

C/I - carrier over interfere

COW- Cell On Vehicle

CSR - Call Success Rate

DC- Dual Carrier

EIRP - Effective Isotropically Radiated Power

ETACS - Extended Total Access Communication System

FSL - Free Space Loss

GoS - Grade of Service

GPS - Global Positioning System

GSM - Global System for Mobile Communication

HLR - Home Location Registry

HO - Handover

HSN - Hopping Sequence Number

HSPA- High Speed Packet Access

IDD - International Direct Dialing

IDU - In Door Unit

IF - Intermediate Frequency

IN - Intelligent Network

IP- Internet Protocol

KPI - Key Performance Indicators

LA - Local Authority

LIU - Line Interface Unit

LTE - Long Term Evolution

MAI - Mobile Allocation Index

MAIO - Mobile Allocation Index Offset

MGW - Media Gateway

MIC - Milicom International Cellular

MIMO- Multiple-Input and Multiple-Output

MS - Mobile Station

MSC - Mobile Switching Centre

MW - Microwave

NAITA - National Apprentice & Industrial Training Authority

NCC - Network Color Code

NGN - Next Generation Network

NOC - Network Operational Centre

NPO - Network Performance Optimizer

NSS - Network Subsystem

ODU - Out Door Unit

OMCCS - Operation and Maintenance Centre Circuit Switching

OMCP - Operation and Maintenance Control Processor

OMCR - Operation and Maintenances Centre – Radio

PAT - Preliminary Acceptance Test

PDH - Plesiochronus Digital Hierarchy

PRN- Provide Roaming Number

QoS - Quality of Service

RAN - Radio Access Network

RCF - Radio Control Function

RCP - Radio Switching Point

RFH - Radio Frequency Hopping

RNE - Radio Network Engineers

RNP - Radio Network Planning

Rx - Receive

SAR - Site Acquisition Request

SDCCH - Standard Dedicated Control Channel

SDH - Synchronous Digital Hierarchy

SFH - Slow Frequency Hopping

SMSC - Short Message Service Center

SRI- Send Routing Information

SSP - Service Switching Point

SSW - Gigabit Ethernet Switch

SUM - Station Unit Module

TACS - Total Access Communication System

TC – Transcoder

TCH – Traffic/Voice Channel

TDM - Time Division Multiplexing

TIMSI- Temporary Mobile Subscriber Identity

TRC - Telecommunications Regulatory Commission

TRE - Transceiver Equipment

TSS - Technical Site Survey

TTI- Transmission Time Interval

Tx - Transmit

UMTS- Universal Mobile Telecommunications System

VAS - Value Added Services

VLR - Visitor Location Registry

VoIP- Voice over IP

WCS - Wireless Call Server