Digital circuit for correcting mismatched IQ signals in a baseband receiver
US11711248B1 · kind B1 · utility
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4Claims
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Key dates
| Filing date | Mar 8, 2022 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Mar 8, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/3863
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A digital circuit in a baseband receiver to compensate for the IQ mismatch by aligning the amplitude of Ĩ with {tilde over (Q)} and by aligning the phase of {tilde over (Q)} to be 90 degrees away from Ĩ.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.