Per carrier scaling of a cancellation pulse of a multi-carrier signal
US11770284B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2022 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | May 23, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/3411
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Apparatuses, methods, and systems for per carrier scaling of a cancellation pulse of a multi-carrier signal are disclosed. One method includes identifying a target PAPR (peak to average power ratio) for the multi-carrier signal, identifying a target EVM (error vector magnitude) for each of cj carriers of the multi-carrier signal, setting a scaling factor for each of the cj carrier to an initial value, or each carrier cj adjusting the scaling factor for the carrier cj until a measured EVM of the carrier cj satisfies the target EVM for the subcarrier cj while maintaining the PAPR target for the multi-carrier signal, and the cancellation pulse of the multi-carrier signal with the adjusted scaling factor for each of the cj carriers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.