Frequency-Modulated-Continuous-Wave (FMCW) radar with timing synchronization
US9791550B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2015 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Feb 12, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/935
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods, devices, and systems are disclosed synchronizing clocks of FMCW radar units by transmitting a first signal of a first FMCW radar unit, a frequency of the first signal varying over a first frequency range around a first baseband frequency, receiving a second signal at the first FMCW radar unit, a frequency of the second signal varying over a second frequency range around a second baseband frequency, determining values of a plurality of parameters including a first timing offset of the first FMCW radar unit based on a digital difference signal between the first and second signals, receiving a second timing offset of a second FMCW radar unit, determining a clock offset based on the first and second timing offsets, and synchronizing a clock of the first FMCW radar unit with a clock of the second FMCW radar unit based on the clock offset.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.