Method of using multiple received satellite signals to compensate satellite multipath estimation error
US11940542B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 14, 2022 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Sep 19, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/393
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides a receiver including an RF circuit, a correlator and a signal delay estimator. The RF circuit is configured to receive a first satellite signal and a second satellite signal to generate a first base-band signal and a second base-band signal, respectively. The correlator is configured to use a first local signal to integrate with the first base-band signal to generate a first correlation result, and to use a second local signal to integrate with the second base-band signal to generate a second correlation result. The signal delay estimator is coupled to the correlator, and is configured to use the second correlation result to compensate the first correlation result to generate a compensated first correlation result, and determine a signal delay of the first satellite signal according to the compensated first correlation result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.