Joint linear and non-linear cancellation of transmit self-jamming interference
US8767869B2 · kind B2 · utility
96Cited by
2References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2012 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Aug 16, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/525
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Certain aspects of the present disclosure propose an adaptive joint linear and non-linear digital filter that can adaptively estimate and reconstruct cascaded effects of linear and non-linear self-jamming distortions introduced by non-linearities in the transmit and/or receive chains. The proposed digital filter may be used to cancel second-order inter-modulation distortion (IM2) generated in the receive chain and/or harmonic distortion generated in the transmit chain, as well as other distortions introduced by the transmit/and or receive chains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.