Wireless receiver and method
US9705544B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2016 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Apr 22, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/066
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A receiver and method for a wireless signal transmission system use digital amplitude modulation of a base band signal having a symbol clock frequency. The receiver includes a reference generator which generates a local reference frequency, a mixer to extract the base band signal, a high pass filter to suppress a DC component, an amplifier, an analog-to-digital converter and a digital signal processor to receive digital signals and extract symbols. A base band signal rotation detection circuit detects rotation of the base band signal upstream of the high pass filter. The digital signal processor determines a symbol clock phase by generating a coarse estimate of the symbol clock phase and correcting the coarse estimate based on detected rotations of the base band signal. A determination that the symbol clock phase corresponds to a complete rotation is used in relation to the extraction of symbols.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.