Committee on Broadband Last Mile Technology

Computer Science and Telecommunications Board

Division on Engineering and Physical Sciences

National Research Council

 



E

List of Acronyms



ADSL asymmetric digital subscriber line

ANSI American National Standards Institute

ASIC application specific integrated circuit

ATM asynchronous transfer mode

BLEC building-focused local exchange carriers

CATV originally community antenna television; now synonymous with cable TV

CDMA code-division multiple access

CDPD cellular digital packet data

CLEC competitive local exchange carrier

CO central office

CPE customer premises equipment

DARPA       Defense Advanced Research Projects Agency

DBS direct broadcast satellite

DHCP dynamic host configuration protocol

DLC digital loop carrier

DLEC data local exchange carrier

DMT discrete multitone transmission

DSL digital subscriber line

DSLAM DSL access multiplexer

DSP digital signal processor

ETSI European Telecommunications Standards Institute

FCC Federal Communications Commission

FEXT far end cross talk

FTTC fiber to the curb

FTTH fiber to the home

GEOS geo-synchronous orbit satellites

HDSL high-speed digital subscriber line

HDTV high definition television

HFC hybrid fiber coax

HPNA Home Phone Networking Alliance

IEEE Institute of Electrical and Electronics Engineers

IETF Internet Engineering Task Force

ILEC incumbent local exchange carrier

IP Internet protocol

ISDN integrated services digital network

ISP Internet service provider

ITU International Telecommunication Union

LAN local area network

LEC local exchange carrier

LEOS low earth orbit satellites

LMDS local multipoint distribution services

LOS line of sight

MAC medium access control

MDUs multi-dwelling units

MIMO multiple in, multiple out

MMDS multipoint multichannel distribution service

MSO multiple system operator

NEXT near end cross talk

NII national information infrastructure

NSF National Science Foundation

NSP native signal processor

NTIA National Telecommunications and Information Administration

OFDM orthogonal frequency division multiplexing

PCS personal communications service

PEG public, educational, and government

PON passive optical network

POTS plain old telephone service

PPP point-to-point protocol

PSD power spectral density

QAM quadrature amplitude modulation

QOS quality of service

RADSL rate adaptive digital subscriber line

RF radio frequency

RLP radio link protocol

SDMI Secure Digital Music Initiative

SDSL symmetric digital subscriber line

SDTV standard definition television

SONET synchronous optical network

TDM time division multiplexing

TDMA time division multiple access

UDP user datagram protocol

USB universal serial bus

VADSL very-high data rate asymmetric DSL

VDSL very high speed digital subscriber line

VLSI very large scale integrated circuit

VOD video on demand

VoDSL voice over DSL

VoIP voice over Internet Protocol

VPN virtual private network

VTIP video telephony over Internet Protocol (IP)

W3C World Wide Web Consortium

WAN wide area network

WDM wavelength-division multiplexing

WLAN wireless local area network

WLL wireless local loop











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Copyright 2002 the National Academy of Sciences
 
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