Method for determining a distance to a passive intermodulation source, an apparatus and a computer program product
US10735111B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 3, 2017 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Nov 3, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W24/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for determining a distance to a passive intermodulation source in a device under test, the method comprising transmitting at least two signals with respective different frequencies to the device under test, receiving a complex response signal from the device under test, the complex response signal comprising a passive intermodulation of the at least two signals, generating an autocorrelation matrix using the complex response signal, the autocorrelation matrix representing power information of the complex response signal, decomposing the complex response signal, using the autocorrelation matrix, into a signal component part and a noise component part and determining a distance to the passive intermodulation source in the device under test using the noise and/or signal component part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.