APPENDIX E. GLOSSARY



ACTS
Advanced Communication Technologies and Services [Programme] (European advanced communications R&D program)
(also, Advanced Communications Technologies Satellite, NASA)
ADC/DAC
analog-to-digital converter/digital-to-analog converter
AIr 
advanced infrared wireless (IBM)
ARQ
automatic repeat request
ASICS
application-specific integrated circuits
ATM 
asynchronous transfer mode
AWA 
advanced wireless access (NTT site report)
AWGN
additive white Gaussian noise
BER
bit error rate
BFN
beam-forming network (NTT site report)
bps
bits per second (also Mbps, kbps, etc.)
BPSK
binary phase shift keying
BS
base station
BSC
base station controller
BSPLAN
tool for mobile base station planning (KDD)
BT
bipolar transistor
CAD
computer-aided design
CATS
CDMA Automated Test System
CATV
cable television
CDMA
code division multiple access
CES
central Earth station (NTT site report)
C-HTML
compiled hypertext markup language (file extension)
CMA
constant modulus algorithm
CMOS-RF
complementary metal oxide semiconductor radio frequency
CPU
central processing unit
CPW
coplanar wave-guide
CRT
cathode ray tube
CSPLAN
tool for cellular and microcellular planning (KDD)
DBS
digital broadcast system (also direct broadcast satellite)
DECT
digital enhanced cordless telecommunications
DPSK
differential phase shift keying
DRO
dielectric resonator oscillator
DS-CDMA
direct sequence code division multiple access
DSP
digital signal processor
EH-DCR
even harmonic type direct conversion receiver (Mitsubishi Electric)
EIR
equipment identification register
EM
electromagnetic
EMI
electromagnetic interference
EMT
electron mobility transistor
ESPRIT
estimation of signal parameters using rotational invariance techniques (chapter 6) (also, European R&D program, appendix C)
ETSI
European Telecommunications Standards Institute
FDD
frequency division duplex
FEC/ARQ
forward error correction/automatic repeat request
FET
field-effect transistor
FFT
fast Fourrier transform
FPLMTS
future public land mobile telecommunications system
GMSK
Gaussian-filtered minimum shift keying
GPRS
general packet radio service
GPS
global positioning system
GSM
Global System for Mobile Communications (wireless standard used in Europe)
HBT
heterojunction bipolar transistor
HEMT
high electron mobility transistor
HEO
high earth orbit
HFR
high frequency radio
HPA
high power amplifier
HTMLp
hypertext markup language
HTS
high temperature superconductors
IC
integrated circuit
IETF
Internet Engineering Task Force
IN
intelligent network
IP/ATM
Internet protocol asynchronous transfer mode
ISDN
integrated services digital network
ISM
industrial-scientific-medical frequency band (902-928 MHz, 2400-2483 MHz, 5725-5780 MHz)
ISO
International Standards Organization
ITU
International Telecommunication Union
ITU-T
International Telecommunication Union-Telecommunications Standards Sector
LAN
local area network
LED
light emitting diode
LEO
low earth orbit
LMDS
local multipoint distribution system
LNA
low noise amplifier
LSI
large scale integration
MAC
media access control
MBE
molecular beam epitaxy
MCM
multichip module
MCPA
multicarrier power amplifiers
MEMS
micro-electro mechanical systems
MEO
middle earth orbit
MESFET
metal Schottky FET
MIMO
multiple input, multiple output
MMAC
multimedia mobile access control
MMIC
millimeter/microwave monolithic integrated circuit
MMSE
minimum mean square error
MPLS
multiprotocol label switching
MU
multiple user
MUD
multiuser detection
OEM
original equipment manufacturers
OFDM
orthogonal frequency division multiplexing
OMG
Object Management Group (oversees CORBA)
OQPSK
offset quadrature phase shift keying
OS
operating system
OSI
open systems interconnection (architecture)
OTD
orthogonal transmit diversity (Ericsson)
PAE
power added efficiency
PCCS
ported coaxial cable system
PCS
personal communication systems
PDA
personal digital assistant
PDC
Personal Digital Cellular System (wireless standard in Japan)
PHEMT
pseudomorphic HEMT
PHS
personal handy system (Japan)
PLL
phase locked loop
PNNI
private network to network interface
PS
positioning system
PSTN
public switched telephone network
QoS
quality of service
QPSK
quadriphase shift keying
RF
radio frequency
RFIC
radio frequency integrated circuit
SAMBA
System for Advanced Mobile Broadband Application
SAW
surface acoustic wave (filter)
SOI
silicon-on-insulator
SWDR
software defined radio
TCXO
temperature controlled crystal oscillator
TDD
time division duplex
TDMA
time division multiple access
TINA-C
Telecommunications Information Networking Architecture Consortium
TMF
TeleManagement Forum (industry group)
TOA
time of arrival
UMTS
universal mobile telecommunication system
USB
universal serial bus
UWCC
Universal Wireless Communication Consortium
VCO
voltage controlled oscillator
VNA
vector network analysis
VSAT
very small aperture terminal
WAP
wireless applications protocol
WLAN
wireless local area network
YIG
yttrium-iron-garnet (used for tunable filter)

Published: July 2000; WTEC Hyper-Librarian