Estimating gain and phase imbalance in upconverting transmitters
US7346100B2 · kind B2 · utility
30Cited by
1References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 2003 |
| Grant date | Mar 18, 2008 |
| Priority date | — |
| Expiry date | Jan 21, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/0433
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Estimation of gain and phase imbalance of an upconverting transmitter. A transmitter transmits symbols containing vector components of pre-specific relationship in an analog signal. A receiver (also contained in a transceiver along with the transmitter) examines the symbols to determine the phase and gain imbalances in the transmitter based on the analog signal. An aspect of the present invention enables the balance estimation circuit to be integrated along with the transmitter and the receiver into a single monolithic integrated circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.