Method, antenna array, radar system and vehicle
First Claim
1. A method for detecting at least two objects, comprising:
- sending out a first radio signal using a first sending device, the first sending device and first antenna elements of a first receiving device being situated in a same horizontal plane as each other;
receiving the first radio signal using the first antenna elements;
receiving the first radio signal using second antenna elements that are part of a second receiving device, wherein the second antenna elements are arranged at different horizontal positions than each other and each of the second antenna elements is arranged at a different vertical position than a vertical position of the horizontal plane; and
calculating (a) a first azimuth angle and a first elevation angle of a first object situated in front of the first antenna elements and the second antenna elements and (b) a second azimuth angle and a second elevation angle of a second object situated in front of the first antenna elements and the second antenna elements, wherein;
the calculating includes assigning the first azimuth angle and the first elevation angle to the first object and assigning the second azimuth angle and the second elevation angle to the second object; and
the calculating includes calculating each of the first and second azimuth angles and each of the first and second elevation angles from both a first output signal obtained from the first receiving device and generated by the first receiving device based on the receipt of the first radio signal by the first antenna elements and a second output signal obtained from the second receiving device and generated by the second receiving device based on the receipt of the first radio signal by the second antenna elements.
1 Assignment
0 Petitions
Accused Products
Abstract
A method is provided for detecting at least two objects, particularly using a radar system having the steps of sending out a first radio signal using a first sending device, the first sending device being situated in a horizontal plane having at least two first antenna elements, receiving the radio signal using the at least two first antenna elements, receiving the radio signal using at least two second antenna elements, which are situated in different horizontal positions each above or below corresponding first antenna elements of the horizontally situated antenna elements, calculating respectively one azimuth angle and one angle of elevation from at least two objects located in front of the first antenna elements and the second antenna elements from the first radio signal received by the first antenna elements and from the first radio signal received by the second antenna elements. Furthermore, an antenna array, a radar system, and a vehicle are provided.
34 Citations
16 Claims
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1. A method for detecting at least two objects, comprising:
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sending out a first radio signal using a first sending device, the first sending device and first antenna elements of a first receiving device being situated in a same horizontal plane as each other; receiving the first radio signal using the first antenna elements; receiving the first radio signal using second antenna elements that are part of a second receiving device, wherein the second antenna elements are arranged at different horizontal positions than each other and each of the second antenna elements is arranged at a different vertical position than a vertical position of the horizontal plane; and calculating (a) a first azimuth angle and a first elevation angle of a first object situated in front of the first antenna elements and the second antenna elements and (b) a second azimuth angle and a second elevation angle of a second object situated in front of the first antenna elements and the second antenna elements, wherein; the calculating includes assigning the first azimuth angle and the first elevation angle to the first object and assigning the second azimuth angle and the second elevation angle to the second object; and the calculating includes calculating each of the first and second azimuth angles and each of the first and second elevation angles from both a first output signal obtained from the first receiving device and generated by the first receiving device based on the receipt of the first radio signal by the first antenna elements and a second output signal obtained from the second receiving device and generated by the second receiving device based on the receipt of the first radio signal by the second antenna elements. - View Dependent Claims (2, 3, 4, 15)
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5. An antenna array system for detecting at least two objects, the antenna array system comprising:
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a first receiving device that includes first antenna elements situated in a same horizontal plane as each other, wherein the first receiving device is configured to provide a first output signal based on receipt by the first antenna elements of a first radio signal; a second receiving device that includes second antenna elements that are arranged at different horizontal positions than each other and that are each arranged at a different vertical position than a vertical position of the horizontal plane, wherein the second receiving device is configured to provide a second output signal based on receipt of the first radio signal by the second antenna elements; and a processing device, wherein; the processing device is configured to; calculate (a) a first azimuth angle and a first elevation angle of a first object located in front of the first antenna elements and the second antenna elements and (b) a second azimuth angle and a second elevation angle of a second object located in front of the first antenna elements and the second antenna elements; assign the first azimuth angle and the first elevation angle to the first object; and assign the second azimuth angle and the second elevation angle to the second object; and the calculation includes calculating each of the first and second azimuth angles and each of the first and second elevation angles from both a first output signal obtained from the first receiving device and generated by the first receiving device based on the receipt of the first radio signal by the first antenna elements and a second output signal obtained from the second receiving device and generated by the second receiving device based on the receipt of the first radio signal by the second antenna elements. - View Dependent Claims (6, 7, 8, 9, 10, 11, 16)
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12. A radar system, comprising:
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an antenna array for detecting at least two objects, the antenna array comprising; a first receiving device that includes first antenna elements situated in a same horizontal plane as each other, wherein the first receiving device is configured to provide a first output signal based on receipt by the first antenna elements of a first radio signal; and a second receiving device that includes second antenna elements that are arranged at different horizontal positions than each other and that are each arranged at a different vertical position than a vertical position of the horizontal plane, wherein the second receiving device is configured to provide a second output signal based on receipt of the first radio signal by the second antenna elements; a processing device, wherein; the processing device is configured to; calculate (a) a first azimuth angle and a first elevation angle of a first object located in front of the first antenna elements and the second antenna elements and (b) a second azimuth angle and a second elevation angle of a second object located in front of the first antenna elements and the second antenna elements; assign the first azimuth angle and the first elevation angle to the first object; and assign the second azimuth angle and the second elevation angle to the second object; and the calculation includes calculating each of the first and second azimuth angles and each of the first and second elevation angles from both a first output signal obtained from the first receiving device and generated by the first receiving device based on the receipt of the first radio signal by the first antenna elements and a second output signal obtained from the second receiving device and generated by the second receiving device based on the receipt of the first radio signal by the second antenna elements; and an electronic system for generating a signal to be sent out by a sending device as the first radio.
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13. A vehicle comprising a radar system, the radar system comprising:
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an antenna array for detecting at least two objects, the antenna array comprising; a first receiving device that includes first antenna elements situated in a same horizontal plane as each other, wherein the first receiving device is configured to provide a first output signal based on receipt by the first antenna elements of a first radio signal; and a second receiving device that includes second antenna elements that are arranged at different horizontal positions than each other and that are each arranged at a different vertical position than a vertical position of the horizontal plane, wherein the second receiving device is configured to provide a second output signal based on receipt of the first radio signal by the second antenna elements; a processing device, wherein; the processing device is configured to; calculate (a) a first azimuth angle and a first elevation angle of a first object located in front of the first antenna elements and the second antenna elements and (b) a second azimuth angle and a second elevation angle of a second object located in front of the first antenna elements and the second antenna elements; assign the first azimuth angle and the first elevation angle to the first object; and assign the second azimuth angle and the second elevation angle to the second object; and the calculation includes calculating each of the first and second azimuth angles and each of the first and second elevation angles from both a first output signal obtained from the first receiving device and generated by the first receiving device based on the receipt of the first radio signal by the first antenna elements and a second output signal obtained from the second receiving device and generated by the second receiving device based on the receipt of the first radio signal by the second antenna elements; and an electronic system for generating a signal to be sent out by a sending device as the first radio signal. - View Dependent Claims (14)
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Specification