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subcarrier
(redirected from Subcarriers)

    Also found in: Dictionary/thesaurus, Wikipedia 0.01 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.
chrominance subcarrier


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In OFDMA based radio systems, like LTE, the CQI information is not necessarily available for all the individual subcarriers but more likely for certain groups of subcarriers only [12,20-22].
A new fairness-oriented packet scheduling scheme with reduced channel ... by Nonchev, Stanislav; Valkama, Mikko / International Journal of Communications, Network and Systems Sciences (IJCNS)
As prefix length increases, the BER of MC-CDMA system decreases, especially when the number of subcarriers increases.
Frequency-time MMSE equalizer for BER enhancement of MC-CDMA systems ... by Bouasria, F.; Djebbari, A.; Bouziani, M.; Rouvaen, J.M.; Ahmed, Abdelmalik Taleb / International Journal of Applied Engineering Research
In 1983, the FCC expanded the permissible uses of FM subcarriers to include a variety of broadcast and nonbroadcast services.
Divestiture Plus One Equals New Growth Era by Communications News
 
 
 
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