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EnglishThis paper presents a novel technique for power amplifier linearization in digital microwave radio systems. The proposed technique is based on the use of a predistortion circuit, whose AM/AM and AM/PM responses are separately implemented as polynomial approximations of the respective responses of the ideal linearizer. The proposed scheme is shown to attain superior performance in comparison with other well-known predistortion structures, such as those based on the cancellation of third or fifth order distortion, with no substantial aggravation in implementation complexity.
| Autori interni: | D'ANDREA, NUNZIO ALDO (Co-primo) LOTTICI, VINCENZO (Co-primo) REGGIANNINI, RUGGERO (Co-primo) |
| Autori: | D'Andrea, NUNZIO ALDO; Lottici, Vincenzo; Reggiannini, Ruggero |
| Titolo: | RF power amplifier linearization through amplitude and phase predistortion |
| Anno del prodotto: | 1996 |
| Abstract: | This paper presents a novel technique for power amplifier linearization in digital microwave radio systems. The proposed technique is based on the use of a predistortion circuit, whose AM/AM and AM/PM responses are separately implemented as polynomial approximations of the respective responses of the ideal linearizer. The proposed scheme is shown to attain superior performance in comparison with other well-known predistortion structures, such as those based on the cancellation of third or fifth order distortion, with no substantial aggravation in implementation complexity. |
| Digital Object Identifier (DOI): | 10.1109/26.544464 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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