Device and method for unambiguous determination of angle of arrival for RF signals
US11442131B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2019 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Nov 2, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S3/38
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There is described a device for determining an angle of arrival of a received RF signal, the device comprising (a) a first antenna and a second antenna arranged with a predetermined distance between them on an antenna axis, the first antenna having a larger gain than the second antenna for directions corresponding to one side of the antenna axis, the second antenna having a larger gain than the first antenna for directions corresponding to the other side of the antenna axis, (b) receiver circuitry coupled to the first antenna and to the second antenna, the receiver circuitry being configured to determine a first phase and a first signal strength of a signal received by the first antenna and to determine a second phase and a second signal strength of a signal received by the second antenna, and (c) angle determining circuitry configured to determine the angle of arrival based on the first phase, the second phase, the first signal strength, and the second signal strength. There is also described a corresponding method, a computer program, and a computer program product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.