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