Phase correction of a constant envelope signal without...

Details Phase correction of a constant envelope signal without... Phase correction of a constant envelope signal without...

H - Electricity

04

L

H04L 1/00 (2006.01) H04L 7/00 (2006.01) H04L 27/02 (2006.01)

Patent

CA 2584380

Systems and methods are provided for precorrecting a constant envelope input signal. A phase precorrection component generates a precorrected input signal by applying a phase precorrection to the input signal. The applied phase correction alters an associated phase of the input signal without applying amplitude modulation to the signal. A linear distortion source applies amplitude distortion and phase distortion to the precorrected input signal. The applied phase correction mitigates the phase distortion applied by the linear distortion source.

Les systèmes et méthodes présentés permettent d'effectuer la précorrection d'un signal d'entrée à enveloppe constante. Une composante de précorrection de phase produit un signal d'entrée précorrigé par l'application d'une précorrection de phase au signal d'entrée. Cette correction modifie la phase associée au signal d'entrée, sans application de modulation d'amplitude audit signal. Une source de distorsion linéaire applique une distorsion d'amplitude et une distorsion de phase au signal d'entrée précorrigé. La correction de phase appliquée atténue la distorsion de phase appliquée par la source de distorsion linéaire.

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