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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z about |
Telecom Acronyms
ACCPR: Adjacent Channel Coupled Power Ratio
ACIPR: Adjacent
Channel Interference Power Ratio
ADC: American Digital Carrier
(D-AMPS)
ADC: Analog-Digital Converter
ADPCM: Adaptive
Differential Pulse Code Modulation
AFR: Active Feedback Resonator
AGC: Automatic Gain Control
AM: Amplitude Modulation
AMPS: Advanced Mobile Phone System
ANSI: American National
Standards Institute
APPL: Analog PLL
ASK: Amplitude Shift
Keying
BCDMA: Broad Band CDMA
BER: Bit Error
Rate
BETRS: Basic Exchange Telecommunication Radio Service
BPF: Bandpass Filter
BPSK: Binary Phase Shift Keying
CADN: Cellular Access Digital Network
CAI:
Common Air Interface
CDMA: Code Division Multiple Access
CDPD: Cellular Digital Packet Data
CELP: Code Book Excited
Linear Predictive Coding
C/I: Carrier to co-channel Interference
CPE: Customer Premises Equipment
CPFSK: Continuous Phase
Frequency Shift Keying
CQM: Channel Quality Measurement
CRC:
Cyclical Redundancy Check
CT: Cordless Telephone
CTIA:
Cellular Telecommunication Industry Association
CVSM:
Continuously Variable Slope Delta Modulation
CW: Continuous Wave
DAC: Digital-Analog Converter
DAMPS:
Digital AMPS
dB: Decibel
dBc: Decibel below carrier
(measurement of phase noise)
dBm: Decibel (relative to 1 mW)
DBM: Double Balanced Mixer
DBS: Direct Broadcast Satellite
dBW: Decibel (relative to 1 Watt)
DCS: Digital Cellular
System
DECT: Digital European Cordless Telephone
DFT:
Discrete Fourier Transform
DPLL: Digital PLL
DPSK:
Differential Phase Shift Keying
DQPSK: Differentially Encoded
Quadrature Phase Shift Keying
DR: Dynamic Range
DS Direct
Sequence
DSP: Digital Signal Processor
DTMF: Dual Tone
Multi Frequency
EMC: Electromagnetic Compatibility
EMF:
Electromagnetic Field
EMI: Electromagnetic Interference
EMR: Electromagnetic Radiation
E-TACS: Extended Total
Access Communication System
ETDMA: Enhanced TDMA (with DSI- Digital
Speech Interpolation)
ETSI: European Telecommunication Standard
Institute
FCC: Federal Communications Commission
FDD:
Frequency Division Duplex
FDM: Frequency Division Multiplex
FDMA: Frequency Division Multiple Access
FFSK: Fast
Frequency Shift Keying
FFT: Fast Fourier Transform
FH
Frequency Hopping
FIR: Finite Impulse Response (filter)
FM: Frequency Modulation
FPLMTS: Future Public Land Mobile
Telephone Service
FSK: Frequency Shift Keying
GaAs: Gallium Arsenide
GBBC: GSM Baseband
Codec
GFSK: Gaussian Frequency Shift Keying
GMSK:
Gaussian-filtered Minimum Shift Keying
GOLD: GSM One-Chip Logic
Device
GPS: Global Positioning System
GSM: Global System
for Mobile Communications
HBT: Heterojunction Bipolar Transistor
HEMT:
High Electron Mobility Transistor
HPF: High Pass Filter
IF: Intermediate Frequency
IFF:
Interfrequency Filter
IIR: Infinite Impulse Response (filter)
IM: Intermodulation
IMD: Intermodulation Distortion
IMR: Intermodulation Distortion Ratio
IP: Intercept Point
ISM: Industrial Scientific Medical (frequency band)
ISO:
International Organization for Standardization
ITU: International
Telecommunications Union
JDC: Japanese Digital Carrier
LAN: Local Area Network
LEO: Low Earth
Orbiting Satellite
LF: Loop Filter
LNA: Low Noise
Amplifier
LO: Local Oscillator
LPC: Linear Predictive
Coding
LPF: Low Pass Filter
LPLL: Linear PLL
MAC: Medium Access Control
MAHO: Mobile
Assisted Handoff
MAN: Metropolitan Area Network
MBS:
Mobile Broadband System
MDSB: Mobile Data Base Station
MESFET: Metal Schottky FET
MFSK: Multi Frequency Shift
Keying
MMIC: Monolithic Microwave IC
MMU: Memory
Management Unit
MODEM: Modulator/Demodulator
MOS: Metal
Oxide Semiconductor
MOSFET: Metal Oxide Semiconductor FET
MS:
Mobile Station
MSA: Metropolitan Service Area
MSK:
Minimum Shift Keying
MTSO: Mobile Telephone Switching Office
NAMPS: Narrow Band AMPS
NCDMA: Narrow
Band CDMA
NMS: Network Management System
NMT: Nordic
Mobile Telecommunication System (cellular communication system in Scandinavia)
NPR: Noise Power Ratio
NTM: Network Traffic Management
OSI: open system interconnection.
PAM: Pulse Amplitude Modulation
PBX:
Private Branch Exchange
PCM: Pulse Code Modulation
PCMCIA:
PC Memory Card International Association
PCN: Personal
Communications Network
PCS: Personal Communication Services
PD: Phase Detector
PDM: Pulse Duration Modulation
PDU: Protocol Data Unit
PHP: Personal Handy Phone (Japan)
PHS: Personal Handy Phone System (Japan)
PIN: Positive
Intrinsic Negative (diode)
PLL: Phase-Locked Loop
PLMN:
Public Land Mobile Network
PM: Pulse Modulation
POTS:
Plain Old Telephone Service
PSD: Power Spectral Density
PSK: Phase Shift Keying
PUREG: Power Up Registration
PWM: Pulse Width Modulation
Q: Quality Factor (e.g. filter)
QAM:
Quadrature Amplitude Modulation
QPSK: Quadrature Phase Shift
Keying
RELP: Residual-Excited Linear Predictive Coding
RF: Radio Frequency
RFI: Radio Frequency Interference
RFIC: Radio Frequency IC
RITL: Radio-in-the-Loop
RPE-LTP: Regular Pulse Excitation-Long Term Prediction (GSM speech
encoding method)
RSA: Rural Service Area
RSSI: Radio
Signal Strength Indicator
SAW: Surface Acoustic Wave (filter)
S/H:
Sample and Hold
SIEGET Siemens Grounded Emitter Transistor
SINAD: Ratio of Signal plus Noise plus Distortion to Noise plus
Distortion
SIM: Subscriber Identity Module
SMS: Short
Message Service
S/N: Signal to Noise
SNR: Signal-to-Noise
Ratio
SPLL: Software PLL
SS: Spread Spectrum
SSB:
Single Sideband
SWR: Standing Wave Ratio
TACS: Total Access Communication System (analog
cellular communication in UK)
TCXO Temperature-Compensated Crystal
Oscillator
TDD: Time Division Duplex
TDM: Time Division
Multiplexing
TDMA: Time Division Multiple Access
THD:
Total Harmonic Distortion
TIA: Telecommunication Industry
Association
UMTS: Universal Mobile Telecommunication Service
UHF: Ultra High Frequency
VCO: Voltage-Controlled Oscillator
VCVS:
Voltage-Controlled Voltage Source (filter)
VCXO:
Voltage-Controlled Crystal Oscillator
VHDL: Very High Speed
Integrated Circuit Hardware Descriptive Language
VHF: Very High
Frequency
VQ: Vector Quantization
VSAT: Very Small
Aperture Terminal
VSELP: Vector Sum Excited Linear Predictive Coding
(IS-54 speech encoding)
VSWR: Voltage Standing Wave Ratio
WAN: Wide Area Network
WARC: World
Administrative Radio Conference
WCPE Wireless Customer Premises
Equipment
WLAN: Wireless LAN
WLL Wireless Local Loop
XMTR: Transmitter
XTALK: Crosstalk
Rami Zakaria
Communication
engineering-Aleppo university
NAWATT 2003