Method and device for processing the DC offset of a radiofrequency reception subsystem
US8285236B2 · kind B2 · utility
0Cited by
11References
23Claims
0Family size
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Key dates
| Filing date | Jul 20, 2009 |
| Grant date | Oct 9, 2012 |
| Priority date | — |
| Expiry date | Mar 20, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/063
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method may compensate for direct current (DC) offset in a radio frequency reception device. The method may include partitioning an analog portion of the reception device into a plurality of zones, for each zone, calibrating initial DC offset compensation to be applied within an operating range of a respective zone, the operating range of the other zones being limited to a threshold operating range, and determining DC offset compensation to be applied to the reception device throughout the operating range based on the basic DC offset compensations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.