Acronyms

Electronics


LED - Light Emmiting Doide
FET - Field Effect Transistor
JFET - Junction Field Effect Transistor
MOSFET - Metal Oxide Semiconductor Field Effect Transistor
MESFET - Metal Semiconductor Field Effect Transistor
MCU - Microcontroller Unit (µC or uC)
CPU - Central Processing Unit
ALU - Arithmetic Logic Unit
PIC - Programmable Inteligent Computer
RAM - Random Access Memory
EEPROM - Electrically Erasable Programmable Read-Only Memory






Telecommunication


ITU - International Telecommunication Union
OSI - Open System Interconnection
TCP/IP - Transmission Control Protocol / Internet Protocol
UMTS - Universal Mobile Telecommunication System
3GPP - The 3rd Generation Partnership Project
WiMAX - Worldwide Interoperability for Microwave Access
OFDM - Orthogonal Frequency Division Multiplexing
GSM - Global System for Mobile Communications
SSS - Switching SubSystem
RSS - Radio SubSystem
OMS - Operation and Maintenance Subsystem
MSC - Mobile-services Switching Center
VLR - Visitor Location Register
HLR - Home Location Register
AC - Authentication Center
EIR - Equipment Identification Register
PSTN - Public Switched Telephone Network
ISDN - Integrated Services Digital Network
IWF - InterWorking Functions
BSC - Base Station Controllers
BTS - Base Transceiver Stations
MS - Mobile Station
BCE - Base Station Central Equipment
TCE - TransCoding Equipment
TDMA - Time Division Multiple Access
SIM - Subscriber Identity Module
IMSI - International Mobile Subscriber Identification;
TMSI - Temporary MSI
MSRN - Mobile Station Roaming Number
MSISDN - Mobile Subscriber ISDN number
LMSI - Local MSI
LA - Location Area
LAI - Location Area Identity
VLRA - Visitor Location Register Area
PLMNA - Public Land Mobile Network Area
RPE-LTP - Residual Pulse Excited - linear Long Term Predictive coder
RELP - Residual Excited Linear Prediction coder
GMSK - Gaussian Minimum Shift Keying
LAN - Local Area Network
UTP - Unshielded Twisted Pair
STP - Shielded Twisted Pair
NIC - Network Interface Card
MAC - Medium Access Control
LLC - Logical Link Control
SAP - Service Access Point
SD - Start Delimiter
ED - End Delimiter
DA - Destination Address
SA - Source Address
AC - Access Control
FC - Frame Control
FS - Frame Status
FCS - Frame Check Sequence
CSMA - Carrier Sensing Multiple Access
CSMA-CD - Carrier Sensing Multiple Access with Collision Detection
BEB - Binary Exponential Backoff algorithm
FDD - Frequency Division Duplex
TDD - Time Division Duplex


Radio


ELF - Extremely low frequency
SLF - Super Low Frequency
ULF - Ultra Low Frequency
VLF - Very Low Frequency
LF - Low Frequency
MF - Medium Frequency
HF - High Frequency
VHF - Very High Frequency
UHF - Ultra High Frequency
SHF - Super High Frequency
EHF - Extremely High Frequency
THF - Tremendously High Frequency