Home > About RSM > Definitions and acronyms
Document Actions
 

Definitions and acronyms

This list defines acronyms and abbreviations frequently used in connection with Radio Spectrum Management, and that are commonly used throughout this website


0-9| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
 

0-9

 
3GPP

Third Generation Partnership Project - collaboration between groups of telecommunications associations aiming to make a globally applicable third generation (3G) mobile phone system specification.

A

 Top
ACMA

Australian Communications and Media Authority - an Australian Government statutory authority within the Communications portfolio.

ADSL

Asymmetric Digital Subscriber Line.

ALMR

Analogue Land Mobile Radio.

AMPS

Advanced Mobile Phone System.

AMPS-D

Digital AMPS.

AMS(R)S

Aeronautical Mobile Satellite (Route) Service. A mobile-satellite service in which mobile earth stations are located on board aircraft.

ANZSCEP

Agreement between New Zealand and Singapore on a Closer Economic Partnership.

APEC

Asia-Pacific Economic Community. Its primary goal is to support sustainable economic growth and prosperity in the Asia-Pacific region.

APT

Asia-Pacific Telecommunity. The APT is an intergovernmental organization and operates in conjunction with telecom service providers, manufacturers of communications equipment, and research and development organizations active in the field of communication, information and innovation technologies.

(APT) APG

APT Conference Preparatory Group.

ARC

Approved Radio Certifier.

ARE

Approved Radio Engineer.

ARNS

Aeronautical Radio Navigation Service.

ARX

Approved Radio Examiner.

AS/NZS

Joint Australian/New Zealand Standard.

 B

 Top
Body Corporate

Bodies Corporate include (but are not limited to) organisations such as companies, incorporated societies and charitable trust boards.

BSS

Broadcast Satellite Service.

BSS(S)

Broadcast Satellite Service – Sound.

 C

 Top
CAA

Civil Aviation Authority regulates civil aviation in New Zealand.

CB

Citizen Band Radio is a system of short-distance radio communications between individuals.

CBRS

Citizen Band Radio Service.

CCIR

The Consultative Committee on International Radio - a technical advisory group that, within the International Telecommunications Union (ITU), provides formal recommendations, technical advice, and technical information related to the allocation and use of the radio spectrum.

CDMA

Code Division Multiple Access - a channel access method used by various radio communication technologies.

CEPT

European Conference of Postal and Telecom Administration.

CFR

Code of Federal Regulations (USA).

CISPR

International Special Committee on Radio Interference which sets standards for controlling electromagnetic interference in electrical and electronic devices, and is a part of the International Electrotechnical Commission (IEC).

CITEL

Inter-American Telecommunication Commission.

CODEC

Coder/Decoder.

COP

Code of Practice. Codes of practice are documents that offer an approved method of achieving compliance with regulatory requirements.

CPG

New Zealand Conference Preparatory Group.

C-tick

Compliance Mark.

 D

 Top
dBc

Decibels relative to carrier.

dBm

Decibels relative to 1 milliwatt.

dBW

Decibels relative to 1 Watt.

dBµV

Decibels relative to 1 microvolt.

dBµV/m

Decibels relative to 1 microvolt per metre.

DECT

Digital Enhanced Cordless Telecommunications.

DLMR

Digital Land Mobile Radio.

DME

Distance Measuring Equipment.

DP

Discussion Paper.

DRM

Digital Radio Mondiale is a set of digital audio broadcasting technologies designed to work over the bands currently used for AM broadcasting, particularly shortwave.

DSC

Digital Selective Calling is a standard for sending pre-defined digital messages via the medium frequency (MF), high frequency (HF) and very high frequency (VHF) maritime radio systems. It is a core part of the Global Maritime Distress Safety System (GMDSS).

 E

 Top
EC

European Communities.

ECC

European Electronic Communications Commission.

EDG

Economic Development Group.

EEE

New Zealand Electrical and Electronic Equipment Agreement.

EESS

Electrical Equipment Safety System a Trans-Tasman system intended to integrate the safety regulations of electrical equipment.

EIRP

Effective Isotropic Radiated Power.

EMC

Electromagnetic Compatibility is the branch of electrical, electronic and radio sciences that deals with the generation of unwanted electromagnetic fields (electromagnetic interference (EMI)) and the susceptibility or immunity or equipment to the effects of EMI. Both EMI and immunity have international standards.

EMI

Electromagnetic Interference. See EMC.

EMS

Electromagnetic Susceptibility. The tolerance of circuits and components to all sources of interfering electromagnetic energy.

ERO

European Radiocommunications Office.

ES

Energy Safety. The New Zealand Government regulatory agency for gas and electrical safety.

ESA

European Space Agency.

ETSI

European Telecommunications Standards Institute.

 F

 Top
FCC

Federal Communications Commission.

FDD

Frequency Division Duplex is a wireless communication technique where different frequencies are used for uplink (from a mobile to a base station) and downlink (from a base station to a mobile), which allows simultaneous transmission and reception. A useful analogy is a telephone call, where both users can talk and listen at the same time.

FSS

Fixed Satellite Service is the official classification for geostationary communications satellites that provide broadcast feeds to television stations, radio stations and broadcast networks. FSSs also transmit information for telephony, telecommunications, and data communications.

FTA

Free Trade Agreement. A treaty or agreement between two or more countries or economies that facilitates trade between members for some or all goods without tariffs or other barriers.

 G

 Top
GHz

gigahertz (1000 megahertz).

GMDSS

Global Maritime Distress and Safety System.

GOC

General Operators Certificate.

GPS

Global Positioning System.

GRTOC

General Radio Telephone Operators Certificate.

GSM

Global System for Mobile Communications is a standard developed to describe protocols for second generation (2G) digital cellular networks used by mobile phones.

GUL

General User Licence provides for certain classes of radio transmitters to be used without the need for the owner to obtain a licence in their own name.

GURL

General User Radio Licence.

GUSL

General User Spectrum Licence.

 H

 Top
HF

High Frequency

Hz

Hertz (cycles per second)

 I

 Top
IANZ

International Accreditation New Zealand. IANZ is the national authority for the accreditation of testing and calibration laboratories, inspection bodies and radiology services.

ICAO

International Civil Aviation Organisation is a specialized agency of the United Nations. It codifies the principles and techniques of international air navigation and fosters the planning and development of international air transport to ensure safe and orderly growth.

IEC

International Electrotechnical Commission is the international standards and conformity assessment body for all fields of electrotechnology.

IEEE

Institute of Electrical and Electronics Engineers is a professional association headquartered in New York City that is dedicated to advancing technological innovation and excellence.

IMO

International Maritime Organisation is the United Nations' specialised agency responsible for improving maritime safety and preventing pollution from ships.

INMARSAT

International Mobile Satellite Organization is the intergovernmental organisation that oversees certain public satellite safety and security communication services provided via the Inmarsat satellites.

INTELSAT

Intelsat is a communications satellite services provider.

INTERSPUTNIK

International Organization of Space Communications is an international satellite communications services organisation founded in 1971, in Moscow.

IRR

International Radio Regulations.

ISM

Industrial, Scientific and Medical.

ISO

International Organization for Standardization is the world’s largest developer of voluntary International Standards.

ITS

Intelligent Transport Systems are those in which information, data processing communication, and sensor technologies are applied to vehicles (including trains, aircraft and ships), transport infrastructure and users.

ITU

International Telecommunication Union is a specialised agency of the United Nations that is responsible for issues that concern information and communication technologies.

ITU-R

ITU Radiocommunication Sector.

ITU-T

ITU Telecommunication Standardization Sector.

ITU-D

ITU Telecommunication Development Sector.

 J

 

 K

 Top
kHz

kilohertz (1000 Hertz).

kW

kilowatt (1000 Watts).

 L

 Top
LA

Licensing Agency.

LAN

Local Area Network is a computer network that spans a relatively small area.

LIPD

Low Interference Potential Device.

LMDS

Local Multipoint Distribution Service.

LMR

Land Mobile Radio is a term that denotes a wireless communications system intended for use by terrestrial users in vehicles (mobiles) or on foot (portables).

 M

 Top
MBIE

Ministry of Business Innovation and Employment. The purpose of the MBIE is to be a catalyst for a high-performing economy to ensure New Zealand’s lasting prosperity and wellbeing.

MCH

Ministry of Culture and Heritage works to enrich the lives of all New Zealanders by supporting New Zealand’s dynamic culture and preserving heritage.

MF

Medium Frequency.

MHz

megahertz (1,000,000 Hertz).

MPIS

Maximum Permitted Interfering Signal.

MUFS

Minimum Field Strength.

MMSI

Maritime Mobile Service Identity is a series of nine digits which are sent in digital form over a radio frequency channel in order to uniquely identify ship stations, ship earth stations, coast stations, coast earth stations, and group calls.

MSP

Managed Spectrum Park.

MRA

Mutual Recognition Arrangement is an international agreement by which two or more countries agree to recognise one another's conformity assessments.

MS

Mobile Service.

MSS

Mobile Satellite Service refers to networks of communications satellites intended for use with mobile and portable wireless telephones.

 N

 Top
NTIA

National Telecommunications and Information Administration (USA). NTIA is the Executive Branch agency that is principally responsible for advising the USA President on telecommunications and information policy issues.

NZART

New Zealand Association of Radio Transmitters. NZART represents New Zealand Amateur Radio operators nationally and internationally.

 O

 Top
OB

Outside Broadcasting.

OFCOM

UK Office of Communications. The independent regulator and competition authority for the UK communications industries.

 P

 Top
PCS

Personal Communication System.

PIB

Public Information Brochure.

PLC

Powerline Carrier Systems carry data on a conductor that is also used simultaneously for AC electric power transmission or electric power distribution to consumers.

POLDOC

(Operational) Policy Document.

PRS

Personal Radio Service is a system that allows individuals to operate radio transmitters and receivers for personal purposes with minimal or no special license or individual authorisation.

 Q

 Top
QoS

Quality of Service

QPSK

Quadrature Phase Shift Keying is a system of modulating digital signals onto a radio-frequency carrier signal using four phase states to code two digital bits.

 R

 Top
RA

Radiocommunication Assembly is responsible for the structure, programme and approval of radiocommunication studies.

RCM

Regulatory Compliance Mark - a mark that can be used on product that has been shown to meet the applicable regulatory requirements for the legal sale of products under electrical safety and electromagnetic legislation, both in New Zealand and Australia.

RE

Radio Equipment.

RFI

Radio Frequency Interference is disturbance that affects an electrical circuit due to either electromagnetic induction or electromagnetic radiation emitted from an external source.

RLAN

Radio Local Area Network.

RRC

Regional Radiocommunication Conference - a conference of either an ITU Region or a group of countries with a mandate to develop an agreement concerning a particular radiocommunication service or frequency band.

RRD

Restricted Radiation Device

Register (the)

Register of Radio Frequencies.

RRTOC

Restricted Radio Telephone Operators Certificate.

RSM

Radio Spectrum Management.

 S

 Top
SC

Special Committee.

SCADA

Supervisory Control and Data Acquisition is a computer system for gathering and analysing real time data.

SCN

Supplier Code Number.

SDoC

Supplier Declaration of Conformity.

SN

Supplier Number.

SNG

Satellite News Gathering is the use of mobile communications equipment for the purpose of worldwide news-casting.

SNZ

Standards New Zealand is the operating arm of the New Zealand Standards Council which develops and publishes standards and represents New Zealand in the international standards community.

SO

Space Operations

SRD

Short Range Devices offer a low risk of interference with other radio services, usually because their transmitted power, and hence their range, is low.

SSB

Single Side Band is a refinement of amplitude modulation that more efficiently uses transmitter power and bandwidth.

SSD

Spread Spectrum Device. Spread spectrum is a form of wireless communications in which the frequency of the transmitted signal is deliberately varied.

SSR

Secondary Surveillance Radar is a radar system used in air traffic control (ATC), that not only detects and measures the position of aircraft i.e. range and bearing, but also requests additional information from the aircraft itself such as its identity and altitude.

 T

 Top
TACAN

Tactical Air Navigation is a navigation system used by military aircraft.

TDD

Time Division Duplex is a wireless communication technique where transmission and reception are separated by time, where there is a time period for transmitting and a time period for receiving (often at the level of microseconds). This means that both uplink (from a mobile to a base station) and downlink (from a base station to a mobile) transmissions use the same frequency, at different allocated times. Times are often allocated by software or hardware configurations. Simultaneous transmission and reception is not possible. A useful analogy for TDD is a walkie-talkie, where only one user can talk (transmit) at any given time while all others are listening (receiving).

TDMA

Time Division Multiple Access.

THz

terahertz (1,000,000 megahertz).

TRIPS

Trade-Related Aspects of Intellectual Property Rights.

TSB

Telecommunication Standardization Bureau provides secretarial support for the work of the ITU-T Sector and services for the participants in ITU-T work, diffuses information on international telecommunications worldwide and establishes agreements with many international Standards Development Organisations.

TTE

Telecommunications Terminal Equipment. Communications equipment at either end of a communications link, used to permit the stations involved to accomplish the mission for which the link was established.

TTMRA

Trans-Tasman Mutual Recognition Arrangement is a non-treaty arrangement between New Zealand and Australia's commonwealth, state and territory governments.

 U

 Top
UMTS

Universal Mobile Telecommunication System is a third generation mobile cellular system for networks based on the GSM standard.

UWB

Ultra Wide Band.

 V

 Top
VSAT

Very Small Aperture Terminal Satellite Services.

 W

 Top
WLL

Wireless Local Loop technology means that the subscriber is connected to the nearest exchange through a radio link.

WMO

World Meteorological Organisation. Geneva-based organisation providing scientific voice on the state and behaviour of the Earth's atmosphere and climate.

WRC

World Radiocommunication Conference - organised by ITU to review, and, as necessary, revise the Radio Regulations, the international treaty governing the use of the radio-frequency spectrum and the geostationary-satellite and non-geostationary-satellite orbits.

 X

 

 Y

 

 Z

Top

 

Last updated 1 October 2017