Techniques and apparatuses are described that implement a distributed radar system. The distributed radar system includes two or more radar front-end circuits and at least one processor. The radar front-end circuits are distributed within a device at different positions. By partitioning antennas and transceivers across multiple radar front-end circuits instead of consolidating into a single integrated circuit, individual radar front-end circuits can have a smaller footprint than the single integrated circuit. This smaller footprint enables the radar front-end circuits to be integrated within space-constrained devices. The smaller footprint also provides additional flexibility in positioning the radar front-end circuits away from other components within the device that can cause interference. This can reduce the amount of interference seen by the distributed radar system.

Techniques and apparatuses are described that implement a distributed radar system. The distributed radar system includes two or more radar front-end circuits and at least one processor. The radar front-end circuits are distributed within a device at different positions. By partitioning antennas and transceivers across multiple radar front-end circuits instead of consolidating into a single integrated circuit, individual radar front-end circuits can have a smaller footprint than the single integrated circuit. This smaller footprint enables the radar front-end circuits to be integrated within space-constrained devices. The smaller footprint also provides additional flexibility in positioning the radar front-end circuits away from other components within the device that can cause interference. This can reduce the amount of interference seen by the distributed radar system.

Proposed are a radar antenna configured to form a waveguide through a partition wall on a plate having a plurality of slots, and a method for manufacturing same. The proposed radar antenna comprises: a first plate having an inner surface; and a second plate stacked so as to have an inner surface facing the inner surface of the first plate, wherein the first plate includes a partition wall extending in the direction of the second plate from the inner surface of the first plate, and the partition wall contacts the inner surface of the second plate to form a waveguide between the inner surface of the first plate and the inner surface of the second plate.

Proposed are a radar antenna configured to form a waveguide through a partition wall on a plate having a plurality of slots, and a method for manufacturing same. The proposed radar antenna comprises: a first plate having an inner surface; and a second plate stacked so as to have an inner surface facing the inner surface of the first plate, wherein the first plate includes a partition wall extending in the direction of the second plate from the inner surface of the first plate, and the partition wall contacts the inner surface of the second plate to form a waveguide between the inner surface of the first plate and the inner surface of the second plate.

A vehicle sensor device (1) includes an outer cover (12), a sensor unit (20) that transmits and receives an electromagnetic wave through the outer cover (12) and outputs a signal related to the electromagnetic wave incident on an inner side of the outer cover (12), a heater (30) that is provided in the outer cover (12) and heats a transmission region (AR) of the outer cover (12) through which the electromagnetic wave emitted from the sensor unit (20) passes, and a control unit (CO). The control unit (CO) outputs a detection signal of an object located outside the outer cover (12) based on the signal from the sensor unit (20) in at least a part of a period in which the heater (30) is OFF, and stops outputting of the detection signal in at least a part of a period in which the heater (30) is ON.

A radar device. The radar device includes a transceiver apparatus that comprises at least three transmit antennas and at least three receive antennas or comprises at least two transmit antennas and at least two receive antennas having two-dimensional beam forming, wherein the transceiver apparatus is configured to emit radar radiation using the transmit antennas, to receive radar radiation using the receive antennas, and to generate radar data on the basis of the received radar radiation. The radar device further comprises an evaluation apparatus that is configured to establish whether radar radiation has propagated between the transceiver apparatus and the at least one target either directly or at least partly by way of at least one reflection by evaluating the radar data using a multitarget angle estimation model, wherein the multitarget angle estimation model takes the propagation of radar radiation along at least four paths into consideration.

A radar device. The radar device includes a transceiver apparatus that comprises at least three transmit antennas and at least three receive antennas or comprises at least two transmit antennas and at least two receive antennas having two-dimensional beam forming, wherein the transceiver apparatus is configured to emit radar radiation using the transmit antennas, to receive radar radiation using the receive antennas, and to generate radar data on the basis of the received radar radiation. The radar device further comprises an evaluation apparatus that is configured to establish whether radar radiation has propagated between the transceiver apparatus and the at least one target either directly or at least partly by way of at least one reflection by evaluating the radar data using a multitarget angle estimation model, wherein the multitarget angle estimation model takes the propagation of radar radiation along at least four paths into consideration.

A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.

A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.

[Object]

To improve accuracy of transmission and reception in antennas.

[Solving Means]

A radar apparatus includes multiple antennas, a power feeding circuit, and dummy antennas. The multiple antennas have a predetermined length in a first direction and are arranged in an array form in a second direction that intersects the first direction. The power feeding circuit is connected to the multiple antennas. The dummy antennas have a length different from the predetermined length and are arranged so as to sandwich the multiple antennas in the second direction.