Method and apparatus for correcting phase imbalance in received in-phase and quadrature signals
US6765623B1 · kind B1 · utility
16Cited by
17References
37Claims
0Family size
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Key dates
| Filing date | Oct 26, 2000 |
| Grant date | Jul 20, 2004 |
| Priority date | — |
| Expiry date | Dec 23, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/426
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus that identifies the degree of correlation between a demodulated in-phase (I) and quadrature (Q) signal that represents phase imbalance between the in-phase (I) and quadrature (Q) signal and corrects the imbalance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.