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