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Wireless Technology RF Glossary of Terms on via Robert Wyman 

2G - second generation of wireless communications systems

3G - third generation

A/D - analog-to-digital

AC - alternating current

ACPR - adjacent-channel power ratio

ADC - analog-to-digital converter

AIMS - advanced iterative matrix solvers

AMPS - advanced mobile phone system

ASIC - application-specific integrated circuit

ASP - application service provider

ATM - asynchronous transfer mode

AWGN - additive white gaussian noise

BDR - blocking dynamic range

BER - bit error rate

BPSK - binary phase shift keying

CCRR - co-channel rejection ratio

CDMA - code-division multiple access

CDPD - cellular digital packet data

CDR - call detail record

CMOS - complementary metal oxide semiconductor

CPE - customer premises equipment

CSU - channel service unit

DC - direct current

DCS - distributed communications system

DDS - direct digital synthesis

DECT - digital european cordless telephone

DSP - digital signal processor

DUT - device under test

EDA - electronic design automation

EDGE - enhanced data for global evolution

EIA - electronics industry association

EM - electromagnetic

EMC - electromagnetic compatibility

EMI - electromagnetic interference

EOS - electrical overstress

ESD - electrostatic discharge

FA - failure analysis

FDD - frequency division duplex

FET - field-effect transistor

FIR - finite impulse response

FSK - frequency shift keying

GaAs - gallium arsenide

GaN - gallium nitride

GFSK - gaussian filtered frequency shift keying

GMSK - gaussian minimum shift-keying

GPIB - general-purpose interface bus

GPRS - general packet radio service

GSM - global system for mobile communications

HBT - heterojunction bipolar transistor

HCI - host controller interface

HDR - high data rate

HEMT - high electron mobility transistor

HSCSD - high-speed circuit-switched data

I and Q - in-phase and quadrature

I/O - input/output

IAD - integrated access device

IC - integrated circuit

IEC - international electrotechnical commission

IF - intermediate frequency

IM - intermodulation

IMD - intermodulation distortion

InP - indium phosphide

IQC - incoming quality control

IR - infrared

IS-95 - EIA interim standard 95

ISM - industrial, scientific medical

IT - information technology

LDMOS - laterally diffused metal oxide silicon

LMDS - local multipoint distribution service

LNA - low-noise amplifier

LO - local oscillator

LOS - line of sight

LPF - low-pass filter

LSI - large scale integration

LTCC - low-temperature co-fired ceramic

MDS - multipoint distribution systems

MMDS - multichannel multipoint distribution service

MMIC - monolithic microwave integrated circuit

MOSFET - metal-oxide semiconductor field-effect transistor

MOU - minutes of use

MTBF - mean time between failures

NRZ - non-return to zero

NTC - negative temperature coefficient

OEM - original equipment manufacturer

OSS - operation system support

PA - power amplifier

PC - personal computer

PCB - printed circuit board

PCS - personal communications system

PDA - personal digital assistant

PDC - pacific digital cellular

PIM - personal information management

PLL - phase-locked loop

PPM - parts per million

PSK - phase shift keying

PSTN - public switched telephone network

PTFE - polytetrafluoroethylene

QoS - quality of service

QPSK - quadrature phase shift keying

RFI - radio frequency interference

RFIC - radio frequency integrated circuit

ROM - read-only memory

RSSI - received signal strength indicator

RTT - radio transmitter technologies

SD - sigma delta

SDH - synchronous digital hierarchy

SFDR - spurious-free dynamic range

SMD - short message delivery

SMS - short messaging service

SMT - surface-mount technology or surface-mount toroidal

SNR - signal-to-noise ratio

SONET - synchronous optical network

SPDT - single-pole double-throw

SSB - single sideband

SSPA - solid state power amplifiers

TCP - transmission control protocol

TDD - time division duplex

TDMA - time-division multiple access

TETRA - trans european trunked radio

TIA - telecommunications industry association

TTL - transistor -transistor logic

TXCO - temperature-compensated crystal oscillator

UDP - user datagram protocol

UMTS - universal mobile telecommunications service

UTRA - UMTS terrestrial radio access

UWC - universal wireless consortium

VCO - voltage-controlled oscillator

VCXO - voltage-controlled crystal oscillator

VOFDM - vector orthogonal frequency division multiplexing

VSAT - very small aperture terminal (satellite service)

VSWR - voltage standing wave ratio

WAP - wireless application protocol

W-ASP - wireless application service provider

W-CDMA - wideband code-division multiple access

WLAN - wireless local area network