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subcarrier

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.03 sec.

subcarrier

A secondary telecommunications channel that resides within the main channel (a carrier within a carrier). A type of multiplexing, the subcarrier is a modulated carrier signal at a lower frequency that is combined with the main carrier signal running at a higher frequency.

Many Uses
Color TV signals were added in a subcarrier to black and white signals in order to maintain backward compatibility with monochrome TV sets. Stereo was added to FM radio in a subcarrier for compatibility. Subcarriers are also often used to provide the audio channel in a video broadcast. See carrier.


subcarrier [¦səb′kar·ē·ər]
(communications)
A carrier that is applied as a modulating wave to modulate another carrier.


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For information on the Los Angeles Reading Service, which uses a special radio that picks up the subcarrier signal on KCSN-FM (88.
Firms like SUBcarrier actively seek out commercial and residential rooftop locations to install antennas and transmitters, and sell "colocation" transmission rights to telephone companies and other local or national communications providers.
Agilent is addressing LTE needs via its Advanced Design System (ADS) LTE design library, which can simulate uncoded EVM and features constellation and BER receiver measurements for the downlink with the latest subcarrier specifications.
 
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