2-3-4 Flashcards
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
AM
Amplitude Modulation
SW
Short Wave
FM
Frequency Modulation
DAB
Digital Audio Broadcasting
IR
Infra red
IrDa
Infra red Data Association
ITU
International Telecommunications Union
ITU-R
ITU Radiocommunication sector
FCC
Federal Communications Commission
CEPT
European Conference for Posts and Telecommunications
ETSI
European Telecommunications Standards Institute
WRC
World Radio Conference
WLAN
Wireless Local Area Network
RF
Radio Frequency
AMPS
Advanced Mobile Phone System
NMT
Nordic Mobile Telephone
DCS
Digital Cellular System
UMTS
Universal Mobile Telecommunications System
DECT
Digital Enhanced Cordless Telecommunications
IEEE
Institute of Eletrical and Electronics Engineers
DC
Direct Current
ISO
International Organization for Standardization
OSI
Open Systems Interconnection
LOS
Line-of-sight
ISI
Intersymbol Interference
SDM
Space Division Multixplexing
FDM
Frequency Division Multiplexing
TDM
Time Division Multiplexing
CDM
Code Division Multiplexing
ASK
Amplitude Shift Keying
FSK
Frequency Shift Keying
PSK
Phase Shift Keying
PM
Phase Modulation
BFSK
Binary Frequency Shift Keying
CPM
Continuous Phase Modulation
BPSK
Binary Phase Shift Keying
MSK
Minimum Shift Keying
GMSK
Gaussian Minimum Shift Keying
QPSK
Quadrature Phase Shift Keying
DQPSK
Differential Quadrature Phase Shift Keying
QAM
Quadrature Amplitude Modulation
DVB-T
Digital Video Broadcasting Terrestrial
DSSS
Direct Sequence Spread Spectrum
FHSS
Frequency Hopping Spread Spectrum
ISM
Industrial, Scientific, Medical (2.4 Ghz band)
FCA
Fixed Channel Allocation
BCA
Borrowing Channel Allocation
DCA
Dynamic Channel Allocation
MAC
Medium Access Control
DLC
Data Link Control Layer
LLC
Logic Link Control
CSMA/CD
Carrier Sense Multiple Access with Collision Detection
SDMA
Space Division Multiple Access
FDMA
Frequency Division Multiple Access
TDMA
Time Division Multiple Access
FDD
Frequency Division Duplex
TDD
Time Division Duplex
CSMA/CA
Carries Sence Multiple Acces Collision Avoidance
EY-NMPA
Elemination Yield - Non-Preemptive Multiple Access
DAMA
Demand Assigned Multiple Access (=reservation Aloha)
PRMA
Packet Reservation Multiple Access
MACA
Multiple Access with Collission Avoidance
RTS
Request To Send
CTS
Clear To Send
ACK
Acknowledgement
NAK
Negative Acknowledgement
ISMA
Inihibit Sense Multiple Access
CDPD
Cellular Digital Packet Data
DSMA
Digital Sense Multiple Access
ISDN
Integrated Services Digital Network
PSTN
Public Switched Telephone Network
PDC
Personal Digital Celular
GSM
Global System for Mobile communication
TETRA
Terrestrial Trunked Radio (form: Trans European Trunked Radio)
EDGE
Enhanced Data Rates for GSM Evolution
UTRA
Universal Terrestrial Radio Access
HSDPA
High Speed Downlink Packet Access
HSUPA
High Speed Uplink Packet Access
W-CDMA
Wideband Code Division Multiple Access
LTE
Long Term Evolution
PCS
Personal Communication Service
RSS
Radio Subsystem
NSS
Netwerk and Switching Subsystem
OSS
Operation Subsystem
MS
Mobile Station