List of Acronyms and Abbreviations

3GPP 3G Partnership Project
ACK/NACK Acknowledgement/Negative Acknowledgement
AF Autofocus
AM Amplitude Modulation
AMPD Average Margin Per Device
AMPU Average Margin Per User
AMR NB Adaptive Multirate Narrowband
AMR-WB Adaptive Multirate Wideband
AP Access Point
ARPU Average Revenues Per User
ATC Ancillary Terrestrial Component
ATSC Advanced Television Systems Committee
AVC Adaptive Variable Source Coding
B GAN Broadband Global Access
CAM Content Addressable Memory
CCD Charge Coupled Device
CDMA Code Division Multiple Access
C/I Carrier to Interference Ratio
CIF Common Intermediate Format
CMOS Complementary Metal-Oxide-Semiconductor
CQI Channel Quality Indication
CTS Clear To Send
DAN Device Access/Device Area Network
DCT Discrete Cosine Transform
DFT Discrete Fourier Transform
DPSK Differential Binary Phase Shift Keying
DRM Digital Radio Mondiale
DSSS Direct Sequence Spread Spectrum
DWDM Dense Wavelength Division Multiplexing
EXIF Exchangeable Image Format File
FDN Frequency Dependent Noise
FEXT Far-End Crosstalk
FHT Fast Hadamard Transform
GaAs Gallium Arsenide
GEO Geostationary
GIF Graphic Interchange Format
GSO Geostationary
GSO Geosynchronous
HC Hybrid Coordinator
HDMI High Definition Multi Media Interface
HDSL High Bit Rate DSL
HLEO ‘High’ Low-Earth Orbits
HRAN High Radio Access Network
HWIH Hear What I Hear
I/O Input And Output
IDFT Inverse Discrete Fourier Transform
IF Intermediate Frequency
IFHT Inverse Fast Hadamard Transform
ISD Information Spectral Density
ISM Industrial Scientific Medical
LEO Low-Earth Orbit
LLU Local Loop Unbundling
LNA Low-Noise Amplifier
LPDDR2 Low-Power Double Data Rate 2
LRAN Lower Radio Access Network
M2M Machine To Machine
MAC Medium Access Control
MEMS Microelectrical Mechanical System
MEO Medium Earth
MIDP Mobile Information Device Profile
MIMO Multiple Input Multiple Output
MIPI Mobile Industry Processor Interface
MMS Multi Media Subsystem
NEXT Near-End Crosstalk
NRE Nonrecurring Expenditure
Ofcom Office Of Communications
OFDM Orthogonal Frequency Division Multiplexing
OFDMA Orthogonal Frequency Division Multiple Access
OOK On/Off Keying
OTA Over The Air
P25 Project 25
PA Power Amplifier
PAL Phase Alternating Line
PAN Personal Area Network
PAR Peak To Average Ratio
PC Point Coordination
PIFA Planar Inverted F Antenna
PMD Polarisation Mode Dispersion
PPDR Public Protection And Disaster Relief
QE Quantum Efficiency
QoS Quality Of Service
RF BOM RF Bill Of Material
ROI Return On Investment
RSSI Received Signal Strength Indication
RTS Request To Send
SC-FDMA Single-Carrier Frequency Division Multiple Access
SDH Synchronous Digital Hierarchy
SHDSL Single Pair HDSL
SiGe Silicon Germanium
SIM Subscriber Identity Module
SIMO Single Input Multiple Output
SIP Session Initiation Protocol
SONET Synchronous Optical Network
STiMI Satellite And Terrestrial Interactive Multi Service Infrastructure
SWIS See What I See
TDD Time-Division Duplexed
TDM PON Time Division Multiplexed Passive Optical Network
TEDS Tetraenhanced Data Service
TIS Isotropic Sensitivity
TRP Total Radiated Power
TSPEC Traffic Specification
UDP Unacknowledged Datagram Protocol
USIM Universal Subscriber Identity Module
VCO Voltage-Controlled Oscillator
VGA Video Graphics Array
VOG Video Object Groupings
VOL Video Object Layers
VOP Video Object Planes
VOS Video Object Sequence
WDM Wavelength Division Multiplexing
WEP Wireline Equivalent Privacy
WPA WiFi Protected Access
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