Interface between radio receiver and baseband receiver and a method for converting RF-signals to BB-signals
US11329678B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Aug 13, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M3/422
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A receiver system includes an interface between a radio receiver on a radio frequency (RF)-side and a baseband receiver on a baseband (BB)-side. The receiver includes an antenna for receiving radio frequency signals and an analogue-to-digital converter for converting received analogue signals to digital signals. The digital signals are further processed in the baseband receiver by a digital signal processing unit. The analogue-to-digital converter is a sigma-delta converter, which includes a sigma-delta modulator on the RF-side and a decimation filter on the BB-side. The sigma-delta modulator and the decimation filter are connected only by single-bit in-phase (I) and quadrature (Q) streams output lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.