Frequency assignment
Assignment (of a radio frequency or radio frequency channel) (also: frequency assignment | short: assignment) is – according to Article 1.18 of the International Telecommunication Union´s (ITU) Radio Regulations (RR)[1] – defined as «Authorization given by an administration for a radio station to use a radio frequency or radio frequency channel under specified conditions.»
- See also
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
- Wifi
- 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 assignment authorities. For other terms see table below.
| Frequency utilisation by: |
ITU languages | Article, as to ITU RR | ||
|---|---|---|---|---|
| French | English | Spanish | ||
| Radiocommunication services | attribution (attribuer) |
allocation (to allocate) |
attribucion (attribuir) |
1.16 |
| Regions or countries | allotisement (allotir) |
allotment (to allot) |
adjudication (adjudicar) |
1.17 |
| Radio stations | assignation (assigner) |
assignment (to assign) |
asignacion (assignar) |
1.18 |
See also
- Spectrum management
- Frequency coordinator
- Broadcast license
- Cellular frequencies
- Earth observation satellites transmission frequencies
References / sources
- ^ ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.18, definition: assignment (of a radio frequency or radio frequency channel)
