Frequency assignment is the authorization of use of a particular radio frequency.
In Article 1.18 of the International Telecommunication Union's (ITU) Radio Regulations (RR), the process is defined as "Authorization given by a frequency administration for a radio station to use a radio frequency or radio frequency channel under specified conditions".
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Daily impact
Every day, users rely on assignment of frequencies for efficient use of such devices as:
- cell phone
- cordless phone
- garage door opener
- car key remote control
- broadcast television and audio
- Standard time broadcast
- vehicle-speed radar, air traffic radar, weather radar
- mobile radio
- Global Positioning System (GPS) navigation
- satellite TV broadcast reception; also backend signal dissemination
- Microwave oven
- Bluetooth
- Wi-Fi
- Zigbee
- RFID devices such as active badges, passports, wireless gasoline token, no-contact credit-cards, and product tags
- toll-road payment vehicle transponders
- Citizen's band radio and Family Radio Service
- Radio control, including Radio-controlled model aircraft and vehicles
- wireless microphones and musical instrument links
Frequency assignment is also a special term, used by national frequency administrations. For other terms see table below.
ITU-terms pertaining to frequency regulation| Frequencydistribution to: | ITU languages | ITU RR(article) | |||||
| French | English | Spanish | Arabic | Chinese | Russian | ||
|---|---|---|---|---|---|---|---|
| Radiocommunication services | attribution(attribuer) | allocation(to allocate) | attribucion(attribuir) | распределение(распределять) | 1.16 | ||
| Regions or countries | allotisement(allotir) | allotment(to allot) | adjudication(adjudicar) | выделение(выделять) | 1.17 | ||
| Radio stations | assignation(assigner) | assignment(to assign) | asignacion(assignar) | присвоение(присваивать) | 1.18 | ||
See also
- Radio station
- Frequency administration
- Spectrum management
- Frequency coordinator
- Broadcast license
- Cellular frequencies
- Earth observation satellites transmission frequencies
References / sources
References
ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.18, definition: assignment (of a radio frequency or radio frequency channel) ↩