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)