Systems and methods to compensate for memory effects using enhanced memory polynomials
US9628305B2 · kind B2 · utility
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2References
4Claims
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Key dates
| Filing date | Feb 12, 2014 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Jun 15, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2201/3233
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for mitigating non-linearity distortions from a memory effect is disclosed. The system includes an enhanced predistortion component, a power amplifier, and a lookup table. The enhanced predistortion component is configured to receive an input signal, to obtain a plurality of enhanced memory polynomials based on a plurality of samples of the input signal and to generate a pre-distorted signal from the input signal according to the enhanced memory polynomials and the plurality of samples of the input signal. The power amplifier is configured to receive the pre-distorted signal and to generate an output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.