Frequency sharing
Encyclopedia
In telecommunication
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...

, frequency sharing is the assignment to or use of the same radio frequency
Radio frequency
Radio frequency is a rate of oscillation in the range of about 3 kHz to 300 GHz, which corresponds to the frequency of radio waves, and the alternating currents which carry radio signals...

 by two or more stations that are separated geographically or that use the frequency at different times.

Frequency sharing reduces the potential for mutual interference where the assignment of different frequencies to each user
User (telecommunications)
In telecommunications, a user is a person, organization, or other entity that employs the services provided by a telecommunication system, or by an information processing system, for transfer of information....

 is not practical or possible.

In a communications net, frequency sharing does not pertain to stations that use the same frequency.
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