Discrete time cancellation for providing coexistence in radio frequency applications
US11736141B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 11, 2022 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Feb 11, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/62
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Radio frequency (RF) communication systems with coexistence management are provided herein. In certain embodiments, a method of coexistence management in a mobile device includes processing an RF receive signal to generate a digital baseband receive signal using a receive channel of a first transceiver, processing a first RF observation signal to generate a first digital observation signal using a first observation channel of the first transceiver, generating spectral regrowth observation data based on processing process the first digital observation signal using a first spectral regrowth baseband sampling circuit of the first transceiver, and compensating the digital baseband receive signal for RF signal leakage based on the spectral regrowth observation data and on direct transmit leakage observation data using a discrete time cancellation circuit of the first transceiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.