System and method for performing over-the-air (OTA) testing of a device under test (DUT) having an integrated transmitter-antenna assembly
US9985733B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Dec 1, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B17/15
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A test system for testing a DUT includes a first array of probe elements located in the near field of the DUT antenna that is either mechanically translated or electrically scanned in a first direction while being electrically scanned in a second direction that is different from the first direction to sense a bounded radiation surface comprising RF signals transmitted by the DUT antenna. A test system receiver receives first near field values contained in the RF signals and inputs them to processing logic of the test system. A reference measurement apparatus of the test system detects the RF signals and obtains reference information therefrom. Processing logic of the test system uses the reference information to correct near field phase values contained in or derived from the first near field values for phase shift between the local oscillator (LO) of the DUT and the LO of the test system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.