Method and system for aiding environmental characterization by ultra-wideband radiofrequency signals
US8674871B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2008 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | May 8, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/89
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to environmental characterization on the basis of an Ultra Wide Band (UWB) radiofrequency communication network. Pulses are emitted and the waveform received is compared with predicted waveforms corresponding to well determined interactions between the wave and its environment. The comparison is done by searching for maximum temporal correlation. The interactions can be notably reflections of the wave on walls or obstacles. The deformations are very dependent on the nature of the materials and directions in which the pulses are emitted and received. If predicted waveforms are stored for various pairs of direction of emission and of reception, it is possible through these correlation operations to find where a wall which gave rise to a reflection is situated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.