Some Important Communication Systems Terminologies

TX: Transmitter
RX: Receiver
Comm Sys: Communication System
AM: Amplitude Modulation
FM: Frequency Modulation
PM: Phase Modulation
ASK: Amplitude Shift Keying
FSK: Frequency Shift Keying
PSK: Phase Shift keying
OOK: On Off Keying
Bit: Binary DigIT
ITU: International Telecommunications Union
NIST: National Institue of Standards and Technology
EM: Electro-Magnetic
SONET: Synchronous Optical NETwork
SDH: Synchronous Digital Hirerachy
STS-1: Synchronous Transport Signal- Level 1
STM-1: Synchronous Transport Module- Level 1
OC: Optical Carrier
dB: Deci-Bels
Mux: Multiplexer
ATM: Asynchronous Transfer Mode
Amp: Amplifier
Op-Amp: Operational Amplifier
TDM: Time Division Multiplexing
FDM: Frequency Division Multiplexing
WDM: Wavelength Division Multiplexing
OFDM: Orthogonal Frequency Division Multiplexing
.................................................................................. I will continue with more in the next post

cheers