Range estimation method based on RSS measurement with limited sensitivity receiver
US9497727B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Oct 16, 2012 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Oct 16, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/70
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for estimating a range between a radio signal emitter and a receiver. A first range estimate is obtained from a signal strength of a received signal and a path loss model with predetermined path loss parameters. This range estimate is further corrected with a systematic bias depending upon an actual finite sensitivity of the receiver. Optionally a corrected variance of the range estimate can be calculated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.