Signal receiver for radio signal strength indication estimation with sub-sampling analog-to-digital converter for radio frequency signal with constant envelope modulation
US10630309B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2019 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B17/318
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A signal receiver includes a multiplexer, a sub-sample analog-to-digital converter (ADC) and a received signal strength indicator (RSSI) estimator for a signal receiver with multiple stage cascade amplifiers architecture. The multiplexer may select one of the input signal of each stage of cascade amplifiers or the last stage output signal of cascade amplifiers as a selected signal according to a selection signal. The sub-sample ADC may perform a sub-sampling operation using the selected signal to generate sampled data. The RSSI estimator may calculate a RSSI value corresponding to the selected signal according to the sampled data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.