Reducing receiver performance degradation due to frequency coexistence
US9408015B2 · kind B2 · utility
8Cited by
1References
16Claims
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Key dates
| Filing date | May 24, 2013 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | May 16, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and apparatuses are provided for negating the degradation effects of fundamental coupling between at least two near field communication (NFC) enabled devices, at least one of which can receive frequency modulation (FM) signals. Due to the fundamental coupling, strong NFC signals can mix with blocking signals associated with a desired/tuned-to FM frequency causing degradation in FM receiver performance. By utilizing a notch filter at the front end of the FM receiver, the degradation in FM receiver performance caused by the fundamental coupling phenomenon can be avoided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.