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Radiation pattern reconfigurable antenna

A radiation pattern, reconfiguration technology, applied in the direction of the radiating element structure, antenna, antenna array, etc.

Active Publication Date: 2021-04-06
APTIV TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Incorporating multiple separate antennas represents additional cost

Method used

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  • Radiation pattern reconfigurable antenna
  • Radiation pattern reconfigurable antenna
  • Radiation pattern reconfigurable antenna

Examples

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Embodiment Construction

[0017] According to some aspects, the present disclosure relates to a radar sensing system utilizing a radar mode reconfigurable antenna having two or more modes of operation based on input The frequency of the signal provided is selected. In some embodiments, the reconfigurable antenna includes at least a first radiator and a second radiator adjacent to the first radiator. In response to receiving the signal at the first frequency, the signal is applied only to the first radiator, and a first radiation pattern is generated in response thereto. In response to receiving a signal at a second frequency, the signal is applied to both the first radiator and the second radiator, which in response thereto generate a first radiation pattern different from the first radiation pattern. Two radiation patterns. In some embodiments, the first radiation pattern is wider than the second radiation pattern. In some embodiments, a filter is utilized for selectively applying a signal to the s...

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Abstract

A radiation pattern reconfigurable antenna includes an input port, a signal divider, a filter, and first and second radiators. The signal divider is connected to the input port and configured to divide a signal at the input port into a first output and a second output. The filter is connected to the second output, wherein the filter is configured to filter signal within a first frequency band and to pass signals within a second frequency band. The first radiator is configured to receive the signal from the first output of the signal divider, wherein the first radiator receives signals within the first frequency band and the second frequency band. The second radiator is connected to the filter to receive signals provided within the second frequency band.

Description

Background technique [0001] The present disclosure relates generally to radio detection and ranging (radar) sensing, and in particular to antennas utilized in radar sensing. [0002] Radar sensing systems are utilized in a number of applications. In particular, the recent push toward more autonomous vehicles has led to the installation of radar sensing systems on more and more vehicles. Depending on the desired field of view, a radar sensing system may include multiple separate antennas, each providing a different radiation pattern and thus a different field of view. Incorporating multiple separate antennas represents additional cost. Accordingly, it would be beneficial to provide a radar sensing system capable of providing various fields of view while minimizing the cost of the system. Contents of the invention [0003] According to one aspect, a reconfigurable antenna includes an input port, a signal divider, a filter, and first and second radiators. A signal divider i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q1/32H01Q1/50H01Q5/307H01Q25/04G01S13/02G01S13/08
CPCH01Q1/36H01Q1/50H01Q5/307H01Q25/04H01Q1/3233G01S13/02G01S13/08H01Q25/002H01Q21/065H01Q21/30G01S13/931G01S7/03H01P1/2088H01Q5/30H01Q21/064
Inventor 李明鉴李正征
Owner APTIV TECH LTD