AMPLIFICATION DEVICE, AND WIRELESS COMMUNICATION DEVICE
This amplification device (1) is provided with: a distortion compensation unit (3) that performs distortion compensation on an input signal (x) of an amplifier (2) by using digital signal processing; and a separation unit (9) that separates an output signal from the amplifier (2) into an analog sign...
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Main Author | |
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Format | Patent |
Language | English French Japanese |
Published |
29.01.2015
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Subjects | |
Online Access | Get full text |
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Summary: | This amplification device (1) is provided with: a distortion compensation unit (3) that performs distortion compensation on an input signal (x) of an amplifier (2) by using digital signal processing; and a separation unit (9) that separates an output signal from the amplifier (2) into an analog signal component that includes output signal power information, and an I signal as an analog signal component that includes output signal phase information. The distortion compensation unit (3) performs distortion compensation for the amplifier (2) on the basis of a one-bit signal in which the analog I signal and the analog signal component that includes the output signal power information are each represented using one bit.
Le dispositif d'amplification (1) comprend : une unité de compensation de distorsion (3) qui effectue une compensation de distorsion sur un signal d'entrée (x) d'un amplificateur (2) par un traitement de signaux numériques; et une unité de séparation (9) qui assure la séparation d'un signal de sortie de l'amplificateur (2) en un composant signal analogique contenant une information de puissance de signal de sortie, et d'un signal I en tant que composant signal analogique contenant une information de signal de sortie. L'unité de compensation de distorsion (3) assure une compensation de distorsion de l'amplificateur (2) sur la base d'un signal un bit dans lequel le signal I analogique et le composant signal analogique contenant l'information de puissance de signal de sortie sont respectivement représentés au moyen d'un bit. |
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Bibliography: | Application Number: WO2014IB01788 |