Angle-resolving fmcw radar sensor
US-2016131742-A1 · May 12, 2016 · US
Method for operating a MIMO radar
US9448302B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9448302-B2 |
| Application number | US-201414284998-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 22, 2014 |
| Priority date | May 24, 2013 |
| Publication date | Sep 20, 2016 |
| Grant date | Sep 20, 2016 |
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Abstract
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In a method for operating a MIMO radar, an influence of an object motion on an angle estimate is substantially eliminated, and a time multiplex schema having a transmission sequence and transmission instants of transmitters of the MIMO radar is identified by optimizing the following mathematical relationship: d _ pulses , opt = arg max d _ pulses [ Var S ( d _ pulses ) - ( Cov S ( d _ pulses , t ) ) 2 / Var S ( t _ ) ] in which: d pulses,opt is optimized positions of the transmitters in the sequence in which they transmit; d pulses is positions of the transmitters in the sequence in which they transmit; t is transmission instants; Var S is sample variance; and Cov S is sample covariance.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for operating a MIMO radar such that an influence of an object motion on an angle estimate is substantially eliminated, the method comprising: identifying a time multiplex schema having a transmission sequence and transmission instants of transmitters of the MIMO radar by optimizing the following mathematical relationship: d _ pulses , opt = arg max [ Var S ( d _ pulses ) - ( Cov S ( d _ pulses , t ) ) 2 / Var S ( t _ ) ] d _ pulses wherein: d pulses,opt is optimized positions of the transmitters in a sequence in which the transmitters transmit; d pulses is positions of the transmitters in a sequence in which the transmitters transmit; t is transmission instants; Var S is sample variance; and Cov S is sample covariance. 2. A method for operating a MIMO radar such that an influence of an object motion on an angle estimate is substantially eliminated, the method comprising: identifying a time multiplex schema having a transmission sequence and transmission instants of transmitters of the MIMO radar by optimizing the following mathematical relationships: |Cov WS ( d pulses,x ,t ,ρ)|=minimal |Cov WS ( d pulses,y ,t ,ρ)|=minimal wherein: d pulses,x is X positions of the transmitters in a sequence in which the transmitters transmit; d pulses,y is Y positions of the transmitters in the sequence in which the transmitters transmit; t is transmission instants; ρ is transmission energies; Cov WS is weighted sample covariance, wherein Cov WS ( x _ , y _ , w _ ) := E WS ( [ x _ - E WS ( x _ , w _ ) · 1 _ ] ⊗ [ y _ - E WS ( y _ , w _ ) · 1 _ ] ,
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Classifications
Simultaneous measurement of distance and other co-ordinates (indirect measurement G01S13/46) · CPC title
of transmitters · CPC title
Bistatic radar systems; Multistatic radar systems · CPC title
- G01S13/02Primary
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems · CPC title
using sawtooth modulation · CPC title
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- What does patent US9448302B2 cover?
- In a method for operating a MIMO radar, an influence of an object motion on an angle estimate is substantially eliminated, and a time multiplex schema having a transmission sequence and transmission instants of transmitters of the MIMO radar is identified by optimizing the following mathematical relationship: d _ pulses , opt = arg m…
- Who is the assignee on this patent?
- Schoor Michael, Kuehnle Goetz, Rambach Kilian, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification G01S13/02. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Sep 20 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).