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Dynamic allocation of radar beams in automotive environments with phased array radar

a technology of phased array radar and radar beams, which is applied in the direction of reradiation, measurement devices, instruments, etc., can solve the problem that the radar system cannot accommodate when

Active Publication Date: 2016-03-03
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, heretofore radar systems do not accommodate when the motor vehicle is traveling along a curved road.

Method used

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  • Dynamic allocation of radar beams in automotive environments with phased array radar
  • Dynamic allocation of radar beams in automotive environments with phased array radar
  • Dynamic allocation of radar beams in automotive environments with phased array radar

Examples

Experimental program
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Embodiment Construction

[0019]A radar apparatus for focusing and / or steering radar beams towards a sub-area of a field of view (FOV) of the radar apparatus is provided. As such, the apparatus has utility as a safety component for a motor vehicle, security system, and the like.

[0020]The radar apparatus has a phased array transmitter and a phased array receiver. The phased array transmitter is operable to generate and / or propagate a transmit beam within the FOV and the phased array receiver is operable to receive a receive beam reflected from within the FOV.

[0021]A radar controller is also included and has an electronic circuit and an electronic memory. In some instances, the electronic memory has a plurality of pre-calculated beam density curves. Furthermore, the radar controller is operable to execute each of the plurality of pre-calculated beam density curves and steer at least one transmit beam generated from a particular executed beam density curve towards a sub-area of the FOV. It is appreciated that w...

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PUM

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Abstract

A radar apparatus that focuses a subset of transmit beams within a field of view (FOV) is provided. The radar apparatus has a phased array transmitter that is operable to generate a transmit beam within the FOV, and a phased array receiver that is operable to receive a receive beam reflected from within the FOV. The apparatus also has a radar controller with an electronic circuit and electronic memory, the electronic memory having a plurality of pre-calculated beam density curves. The radar controller is operable to execute each of the plurality of pre-calculated beam density curves and steer at least one transmit beam generated from a particular executed beam density curve towards a sub-area of the FOV.

Description

BACKGROUND OF THE INVENTION[0001]The use of radar systems on motor vehicles, for example, for collision avoidance and other applications, is known. Such radar systems typically transmit radar beams directly in front of a traveling motor vehicle and / or directly to the side of the vehicle in order to provide information on blind spots. However, heretofore radar systems do not accommodate when the motor vehicle is traveling along a curved road. Therefore, a radar apparatus that can focus a subset of radar beams within a field of view (FOV) and at an angle from a projected longitudinal center line of the motor vehicle would be desirable.SUMMARY OF THE INVENTION[0002]A radar apparatus that focuses a subset of transmit beams within a field of view (FOV) is provided. The radar apparatus has a phased array transmitter that is operable to generate a transmit beam within the FOV, and a phased array receiver that is operable to receive a receive beam reflected from within the FOV. The apparatu...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01S7/282G01S13/93G01S13/931
CPCG01S7/282G01S13/93G08G1/167G01S13/931G01S2013/0254G01S13/42G01S2013/916
Inventor SCHMALENBERG, PAUL, DONALDNOMURA, TSUYOSHILEE, JAE, SEUNG
Owner TOYOTA JIDOSHA KK
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