Apparatus and system of surface wave mitigation for multiple-input-multiple-output (MIMO) radar antenna
AssigneeIntel Corporation
InventorsArnaud Lucres Amadjikpe, Tae Young Yang, Ofer Markish
Life of this patent
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Abstract
For example, an apparatus may include a Printed Circuit Board (PCB); a Multiple-Input-Multiple-Output (MIMO) radar antenna on the PCB, the MIMO radar antenna comprising a plurality of Transmit (Tx) antenna elements configured to transmit Tx radar signals, and a plurality of receive (Rx) antenna elements configured to receive Rx radar signals based on the Tx radar signals; and a surface wave mitigator connected to the PCB, the surface wave mitigator configured to mitigate an impact of surface waves via the PCB on a radiation pattern of the MIMO radar antenna.
Claims24
An apparatus comprising:
- a Printed Circuit Board (PCB);
- a Multiple-Input-Multiple-Output (MIMO) radar antenna on the PCB, the MIMO radar antenna comprising a plurality of Transmit (Tx) antenna elements configured to transmit Tx radar signals, and a plurality of receive (Rx) antenna elements configured to receive Rx radar signals based on the Tx radar signals;
- and
- a surface wave mitigator connected to the PCB, the surface wave mitigator configured to mitigate an impact of surface waves via the PCB on a radiation pattern of the MIMO radar antenna wherein the surface wave mitigator comprises a carbon-loaded plastic layer on the PCB.
An apparatus comprising:
- a Printed Circuit Board (PCB);
- a Multiple-Input-Multiple-Output (MIMO) radar antenna on the PCB, the MIMO radar antenna comprising a plurality of Transmit (Tx) antenna elements configured to transmit Tx radar signals, and a plurality of receive (Rx) antenna elements configured to receive Rx radar signals based on the Tx radar signals;
- and
- a surface wave mitigator connected to the PCB, the surface wave mitigator configured to mitigate an impact of surface waves via the PCB on a radiation pattern of the MIMO radar antenna, wherein the surface wave mitigator comprises a plurality of grounded dummy antenna elements surrounding the plurality of Tx and Rx antenna elements, and a plurality of via fences surrounding the plurality of dummy antenna elements.
A radar device comprising:
- a Printed Circuit Board (PCB);
- a Multiple-Input-Multiple-Output (MIMO) radar antenna on the PCB, the MIMO radar antenna comprising a plurality of Transmit (Tx) antenna elements configured to transmit Tx radar signals, and a plurality of receive (Rx) antenna elements configured to receive Rx radar signals based on the Tx radar signals;
- a surface wave mitigator connected to the PCB, the surface wave mitigator configured to mitigate an impact of surface waves via the PCB on a radiation pattern of the MIMO radar antenna, wherein the surface wave mitigator comprises a carbon-loaded plastic layer on the PCB;
- and
- a radar processor configured to detect one or more targets based on the Rx radar signals.
A vehicle comprising:
- a system controller configured to control one or more vehicular systems of the vehicle based on radar information;
- and
- a radar device configured to provide the radar information to the system controller, the radar device comprising:
- a Printed Circuit Board (PCB);
- a Multiple-Input-Multiple-Output (MIMO) radar antenna on the PCB, the MIMO radar antenna comprising a plurality of Transmit (Tx) antenna elements configured to transmit Tx radar signals, and a plurality of receive (Rx) antenna elements configured to receive Rx radar signals based on the Tx radar signals;
- a surface wave mitigator connected to the PCB, the surface wave mitigator configured to mitigate an impact of surface waves via the PCB on a radiation pattern of the MIMO radar antenna, wherein the surface wave mitigator comprises a carbon-loaded plastic layer on the PCB;
- and
- a radar processor configured to provide the radar information based on the Rx radar signals.
Dependencies are inferred from the claim text.