Methods and devices for estimating a frequency deviation
US12309002B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2023 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Sep 19, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2027/0026
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a frequency deviation estimation device for estimating a frequency deviation upon receiving a digitally modulated non-repetitive signal. The frequency deviation estimation device is equipped with an instantaneous frequency measurement module, a minimum frequency detection module, and a frequency deviation calculation module. The instantaneous frequency measurement module measures the instantaneous frequency of the received communication signal. The minimum frequency detection module detects the minimum frequency of the instantaneous frequency. The frequency deviation calculation module calculates the frequency deviation between the received communication signal and the reference signal for coarse adjustment using the reference minimum frequency and the minimum frequency when the frequency deviation is zero Hertz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.