Mutual coupling based calibration with OFDM signals
US11581958B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Mar 16, 2022 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Mar 16, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2626
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
OFDM-BPSK symbol sequences are used for mutual-coupling based phase array calibration. Such substitution allows phase to be estimated more accurately using a given estimation duration without compromising other estimates' (amplitude and group delay) accuracies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.