Digitally controlled RF predistortion with digital predictor for feedforward delay compensation
In this paper the adverse effect of lookup table indexing delay on the correction ability of a RF-predistorter is discussed and different digital methods to alleviate this are presented. For what we know the first implementation of a FIR predictor based feedforward delay compensated digital predisto...
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Format: | Tagungsbericht |
Sprache: | eng |
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Zusammenfassung: | In this paper the adverse effect of lookup table indexing delay on the correction ability of a RF-predistorter is discussed and different digital methods to alleviate this are presented. For what we know the first implementation of a FIR predictor based feedforward delay compensated digital predistorter is presented and measured. The measurements show that the prediction improved the ACP by nearly 10 dB. |
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ISSN: | 0149-645X 2576-7216 |
DOI: | 10.1109/MWSYM.2005.1517147 |