Frequency assignment
Frequency assignment is the authorization of use of a particular radio frequency.
German frequency assignment document (German: Zuteilungsurkunde)
In Article 1.18 of the International Telecommunication Union's (ITU) Radio Regulations (RR),[1] 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».
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.
| Frequency distribution 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
References / sources
- ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.18, definition: «assignment (of a radio frequency or radio frequency channel)
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