Detection with multipath reflection elimination in multi-input multi-output radar system
US11320515B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2020 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Dec 1, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/356
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Systems and methods include transmitting transmit signals from transmit elements, and receiving reflections resulting from the transmit signals at receive elements. The reflections are processed to obtain range-Doppler maps. Each range-Doppler map corresponds with one combination of the transmit elements and the receive elements. The range-Doppler map includes complex values that indicate intensity over a set of range values and a set of relative velocity values. A synthetic matrix of synthetic vectors of array response combinations is generated for transmit angles and receive angles. Each array response combination is a combination of a transmit response for one of the transmit angles and a receive response for one of the receive angles. Two stages of detection are performed. A first stage identifies potential objects and a second stage eliminates the potential objects that are ghost objects. The potential objects remaining after the second stage are the real objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.