Transceiver with calibrated I and Q paths and methods for deconvolved calibration
US7333423B2 · kind B2 · utility
16Cited by
12References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2004 |
| Grant date | Feb 19, 2008 |
| Priority date | — |
| Expiry date | Jan 28, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/40
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Phase and amplitude offsets of a multicarrier transceiver may be reduced by measuring receiver amplitude and phase mismatches of receiver radio-frequency (RF) circuitry by performing a fast Fourier transform (FFT) on a receiver calibration signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.