Cellular up-link harmonic spurs mitigation in Wi-Fi and bluetooth receivers
US9369217B1 · kind B1 · utility
2Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2014 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Dec 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/80
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An interfering signal from a co-running modem is filtered using a notch filter to cancel high frequency harmonic interference to a received radio frequency (RF) signal. Thereafter, a metric scaling and tone nulling are performed in the received RF signal to further eliminate residual harmonic frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.