Satellite Communications
- Acronyms and abbreviations

 
Acronym / AbbreviationMeaning
5GFifth generation (mobile cellular communications) system
5G NRFifth generation new radio
6GSixth generation (mobile cellular communications) system
ABMApogee boost motor
ACAlternating current
ACIAdjacent channel interference
ACKAcknowledgement
ACMAdaptive coding and modulation
ACTSAdvanced Communications Technology Satellite
ADCAnalogue-to-digital conversion
ADCSAttitude determination and control subsystem
ADPCMAdaptive differential pulse code modulation
AEHFAdvanced EHF satellite system
AESAActive electronically steerable array
AFCAutomatic frequency control
AGCAutomatic gain control
AIArtificial intelligence
AGWNAdditive white Gaussian noise
AKMApogee kick motor
AMAmplitude modulation
AOCSAttitude and orbit control subsystem
APIAdvance Publication Information
APSKAmplitude phase shift keying
ArabsatArabian satellite (communications)
ARAAutomatic repeat accumulate (code)
ARPAAdvanced Research Projects Agency
ARQAutomatic repeat request
ASCIIAmerican Standard Code for Information Interchange
ASIAdjacent-satellite interference
ASICApplication-specific integrated circuits
ASKAmplitude shift keying
ATPAcquisition, tracking and pointing
AUAstronomical unit
AWGNAdditive white Gaussian noise
BERBit error rate
BCHBose-Chaudhuri-Hocquenghem
BOLBeginning of life
BPFBandpass filter
BpsBits per second
BPSKBinary phase shift keying
BSSBroadcasting Satellite Service
BTCBlock Turbo code
C/NCarrier-to-noise ratio
C/N0Carrier-to-noise density ratio
CACollision avoidance
CCITTInternational Telegraph and Telephone Consultative Committee
CCSDSConsultative Committee for Space Data Systems
CDCollision detection
CDCompact disc
CDMACode division multiple access
CCSDSConsultative Committee for Space Data Systems
CEPTEuropean Conference of Postal and Telecommunications Administrations
CFRPCarbon-fiber-reinforced plastics
CMRCommunications Moon Relay
CodecCoder/decoder
COMSATCommunications Satellite Corporation
CRCarrier recovery (sequence)
CRCoordination Request
CRCCyclic redundancy check
CSCCommon channel signaling
CSIChannel state information
CSMACarrier sense multiple access
CTEChannel translating equipment
CWContinuous wave
DAMADemand-assigned multiple access
dBDecibel
DCDirect current
DBSDirect Broadcasting Satellite Service
DPDDigital pre-distortion
DSCSDefense Satellite Communications System
DSIDigital speech interpolation
DSN(NASA’s) Deep Space Network
DSPDigital signal processing
dSPCDynamic single channel per carrier
DTHDirect to home
DVBDigital video broadcast (standard)
DVDDigital versatile (video) disc
DTPDigital transparent processor
Eb/N0Energy per bit/noise density ratio
EDGEEnhanced Data rate for GSM Evolution
EHFExtremely high frequency (30-300 GHz)
EIRPEffective isotropic radiated power
ELFExtremely low frequency (30-300 Hz)
EOLEnd of life
ESAEuropean Space Agency
ESTRACKEuropean Tracking Network
ETSIEuropean Telecommunications Standards Institute
EutelsatEuropean Telecommunications Satellite Organization
FDMFrequency division multiplexing
FDMAFrequency division multiple access
FECForward error correction
FETField effect transistor
FFTFast Fourier transform
FHFrequency hopping
FHMAFrequency hopping multiple access
FHSSFrequency hopping spread spectrum
FMFrequency modulation
FPGAField-programmable gate arrays
FSKFrequency shift keying
FSSFixed Satellite Service
G/TReceive gain/system noise temperature ratio
GaAsGallium arsenide
GaAsFETGallium arsenide field effect transistor
GaNGallium nitiride
GEOGeostationary Earth orbit
GHzGigahertz
GLONASSGLObal Navigation Satellite System
GMPCSGlobal mobile personal communications by satellite
GNSSGlobal navigation satellite system
GPSGlobal Positioning System
GSMGlobal System Mobile
GTEGroup translating equipment
GTOGeostationary transfer orbit
HAPSHigh-altitude Platform Stations
HARQHybrid automatic repeat request
HDLCHigh-Level Data Link Control (ISO/IEC 13239 data link protocol)
HEMTHigh-electron-mobility transistor
HEOHighly elliptical orbit
HETHall-effect thrusters
HFHigh frequency (3-30 MHz)
HIBSHAPS as IMT Base Stations
HMAHybrid multiple access
HPAHigh-power amplifier
HTSHigh-throughput satellite
IBOInput back-off
ICIInter-carrier interference
ICOIntermediate circular orbit
IDIdentification
IDR(Intelsat) Intermediate digital rate
IFIntermediate frequency
IFFIdentification friend or foe
IFFTInverse fast Fourier transform
IMIntermodulation
IMOIntermodulation order
IMSOInternational Maritime Satellite Organization
IMTInternational Mobile Telecommunications
InmarsatInternational Maritime Satellite Organization
INPIndium phosphate
IntelsatInternational Telecommunications Satellite Consortium
IoTInternet of things
IRAIrregular repeat accumulate (code)
ISDNIntegrated services digital network
ISLInter-satellite link
ISMIndustrial, scientific and medical
ISOThe International Standards Organization
ITUInternational Telecommunications Union
ITU-RITU Radiocommunication Sector
kbpskilobits per second
kHzkilohertz
KPAKlystron power amplifier
LCMLeast common multiple
LDPCLow density parity check (codes)
LEOLow Earth orbit
LFLow frequency (30-300 kHz)
LiLithium
LNALow-noise amplifier
LNBLow-noise block
LOLocal oscillator
LPDLow probability of detection
LPFLow pass filter
LPILow probability of interception
M2MMachine-to-machine
MACMedia access control
MAIMultiple access interference
MAPMaximum a posteriori
MarisatMarine Satellite (communications)
MCPCMultiple channels per carrier
MEOMedium Earth orbit
MFMedium frequency (300-3,000 kHz)
MHzMegahertz
MilstarMilitary Strategic, Tactical and Relay
MIL-STD(US) Military standard
MIMOMultiple-input multiple-output
MLIMultilayer insulation
MMHMonomethyl hydrazine
MPSKM-ary phase shift keying
MSKMinimum shift keying
MSSMobile Satellite Service
MUOSMulti-user Objective System
MuxMultiplexer
NAKNegative acknowledgement
NASANational Aeronautics and Space Administration
NATONorth American Treaty Organization
NB-IoTNarrow band Internet of Things
NFVNetwork function virtualization
NGEONon GEO
Ni-CdNickel cadmium (battery)
NiH2Nickel hydrogen (battery)
NOMANon-orthogonal multiple access
NR(5G) New radio
NRZNon return to zero
NTNNon-terrestrial network
OBOOutput back-off
OFDMAOrthogonal frequency division multiple access
OISNOptical inter-satellite networks
OQPSKOrthogonal quadrature phase shift keying
OWOrder wire
PAMPulse amplitude modulation
PAPRPeak-to-average power ratio
PCCCParallel concatenated convolutional code
PCMPulse code modulation
PDMPulse duration modulation
PFDPower flux density
PMPhase modulation
PNPseudo-random noise
PPMPulse position modulation
PSKPhase shift keying
PSTNPublic switched telephone network
PWMPulse width modulation
QAMQuadrature amplitude modulation
QPSKQuadrature phase shift keying
RARepeat accumulate (code)
RAANRight ascension of the ascending node
RFRadio frequency
RRCRoot raised cosine
R-SReed Solomon
RTGRadioisotope thermoelectric generator
S/NSignal-to-noise ratio
SCSuccessive cancellation
SCCCSerially concatenated convolutional code
SCLSuccessive cancellation list
SCPCSingle channel per carrier
SCRSet, complete, radio
SDHSynchronous digital hierarchy
SDMASpatial division multiple access
SDNSoftware-defined network
SDSSoftware-defined satellite
SHFSuper high frequencies
SICSuccessive interference cancellation
SIDStation ID
SISOSoft-input, soft-output (decoder)
SONETSynchronous optical network
SOVASoft output Viterbi algorithm
SPADESingle-channel-per-carrier pulse-code-modulated multiple-access demand-assignment equipment
SNRSignal-to-noise ratio
SSSwitched satellite
SSBSingle sideband
SS-FDMASatellite-switched FDMA
SSPASolid-state power amplifier
SSRSecondary surveillance radar
SS-TDMASatellite-switched TDMA
STESupergroup translating equipment
STRSymbol timing recovery (sequence)
TASITime-assigned speech interpolation
TCP/IPTransmission control protocol / Internet protocol
TCSThermal control subsystem
TDMTime division multiplexing
TDMATime division multiple access
TECTotal electron content
TECUTotal electron content unit
TEMTransverse electromagnetic (wave)
TPCTurbo product code
TT&CTelemetry, tracking and control
TTYTeletype(writer)
TVTelevision
TWTTravelling wave tube
TWTATravelling-wave tube amplifier
UFOUHF Follow On
UHFUltra high frequencies (300-3,000 MHz)
USUnited States
USBUniversal serial bus
USSUnited States ship
USSRUnited Soviet Socialist Republic
UWUnique word
VHFVery high frequencies (30-300 MHz)
VSATVery small aperture terminal
WGSWideband Global System
WiFiIEEE 802.11 standard wireless network
WW IIWorld War II
XORExclusive-OR
XPDCross-polarization discrimination

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