Mando Corporation

Hyundai Motor Company

Hl Klemove Corp.

Other

Seoul National University

Soongsil University

Mando Mobility Solutions Corporation

Mando Corpration

Mando Corportion

Seong Hee Jeong

Jae Eun Lee

Hae Sueng Lim

HaeSueng Lim

JaeEun Lee

Youn Hyung Cho

Seung Un Choi

Jaekil Lee

Hae Seung Lim

Seon Pyung Kim

Jin-Ho Jung

Min Su Kim

Kyung Jin You

Yun Ki Han

Seongwook Lee

Byung Sung Kim

Se Kyung Park

Jin Ho Jung

HoSeok Shin

HakGu Han

ChulSeung Lee

Hyun-Chool Shin

Joo Yeol Yang

Seokhyun Kang

Heonkyo Shim

SeongCheol Kim

HyunChool Shin

Min Seok Kim

A light reflection device is disclosed. The light reflection device according to an exemplary embodiment of the present disclosure includes a first reflector configured to reflect an optical signal emitted from a light output unit to an object, a second reflector configured to reflect the optical signal reflected from the object to a light receiving unit, a blocking plate interposed between the first reflector and the second reflector, a motor configured to rotate at least one of the first reflector, the second reflector, and the blocking plate, and a coupling part configured to couple the first reflector, the second reflector, and the blocking plate so that the first reflector, the second reflector, and the blocking plate rotate at the same angle on the basis of a rotation axis.

Light reflection device and LiDAR scanning system having the same

The present disclosure relates to a radar apparatus and antenna apparatus therefor. More specifically, the radar apparatus may include an antenna apparatus configuring to include a transmission antenna unit including two or more first transmission antennas mounted in the rear-side or front-side of a vehicle and arranged to be spaced apart from each other in the horizontal direction, each of which has a plurality of array antennas and a second transmission antenna having one array antenna disposed between the two or more first transmission antennas, and a receiving antenna unit including one or more receiving antennas; and a signal processor configuring to transmit a transmission signal through the transmission antenna unit, receive a reflection signal reflected from an object through the receiving antenna, and process the received reflection signal to acquire information about the object, and wherein the two or more first transmission antennas are tilted and arranged toward a driving axis of the vehicle at a position where the radar apparatus is mounted.

Radar device and antenna device therefor

The present provides a radar apparatus and an antenna apparatus for the radar apparatus. Two transmission antennas disposed on both sides of the transmission antenna set may be arranged apart from each other by a predetermined vertical distance in a first direction perpendicular to the ground, and the four receiving antennas may be disposed apart from each other by a predetermined horizontal distance, so that the vertical information and the horizontal information of the object can be easily obtained in the long range detection mode and the short range detection mode.

Radar apparatus and antenna apparatus therefor

The present provides a radar apparatus and an antenna apparatus for the radar apparatus. The radar apparatus may include two first transmission antennas disposed on both sides of the transmission antenna set and the second transmission antenna disposed between two first transmission antennas spaced apart from the first transmission antenna by the vertical distance A in a first direction perpendicular to the ground, and may include the four receiving antennas disposed apart from each other by a predetermined horizontal distance, and may transmit the code divided transmission signals through two transmission antenna according to the detection mode, so that the vertical information and the horizontal information of the object can be easily obtained in the long range detection mode and the short range detection mode.

Provided are a structure and alignment method of array antennas for a vehicle radar, the structure and method being able to adjust the locations, number of channels, number of arrays, and channel distance according to the type of antennas, so as to minimize a space occupied by the antennas while maintaining the radiation efficiency of the antennas. Even in a case in which conditions regarding the location of the array antennas and the number of channels are changed within designated ranges, the efficient array antenna structure minimizes the area of array antennas for a vehicle while maintaining the detection ability of the array antennas.

Structure and alignment method of array antennas for vehicle radar

The present disclosure relates to an antenna return loss compensation apparatus and method of a radar and a radar apparatus using the same. The antenna return loss compensation apparatus may include a compensation information calculator configured to calculate return loss compensation information for compensating for a frequency-band based antenna return loss, and a return loss compensator configured to apply return loss compensation information to a reception signal that is reflected from an object and is received, so as to generate a final reception signal, may calculate and store, in advance, compensation information for a return loss occurring in the antenna, may perform compensation associated with the magnitude of a reception signal when measurement is performed using the radar, so that the reception signal has the same magnitude, whereby a radar's performance deterioration attributable to the return loss of the antenna may be minimized.

Apparatus and method for compensating for return loss of antenna of radar, and radar apparatus using same

The disclosure relates to a radar device for a vehicle, enabling to determine a target satisfying a pairing condition for finding an intersection point by using a combination of a pair of up-chirp and down-chirp signals with an added down-chirp signal, without an additional hardware resource. The radar device includes at least: a transmission unit configured to transmit, through the transmission antenna, a transmission signal including a pair of up-chirp and down-chirp signals having predetermined slopes, and an added chirp signal having a slope different from the slopes; a reception unit configured to receive, through the reception antenna, a reception signal that is the transmission signal reflected on the target located before the vehicle; and a signal processing unit configured to determine the target satisfying the pairing condition for finding an intersection point through a combination of at least one of a pair of the up-chirp and down-chirp signals.

Radar device for vehicle and target determination method therefor

The present disclosure relates to a method in which a radar apparatus for a vehicle detects a mounting angle and the radar apparatus for a vehicle, and more particularly, to a method for detecting a mounting angle of a radar apparatus for a vehicle using a power ratio of signals acquired by transmitting signals having different directivity angles and the radar apparatus for a vehicle.

Radar apparatus for vehicle and method for estimating angle using same

The present embodiments relate to a deep learning-based self-driving vehicle, a deep learning-based self-driving control device, and a deep learning-based self-driving control method, and more particularly, to a deep learning-based self-driving vehicle, a deep learning-based self-driving control device, and a deep learning-based self-driving control method which are capable of reliably performing self-driving control to a necessary degree in a necessary situation by accurately distinguishing between and recognizing a control target object referenced while the self-driving vehicle is traveling and a structure not referenced.

Deep learning based self-driving car, deep learning based self-driving control device, and deep learning based self-driving control method

The present provides a radar apparatus and an antenna for the radar apparatus. Further, a first transmitting antenna group and a first receiving antenna group are constituted by elongating some of a plurality of transmitting antennas and a plurality of receiving antennas in a first direction of vertical directions, a second transmitting antenna group and a second receiving antenna group are constituted by elongating the other antennas in a second direction opposite to the first direction, transmitting antennas to transmit transmission signals and receiving antennas to receive reflection signals reflected from an object are appropriately selected, thereby being able to improve horizontal and vertical angular resolving power in both of mid/long-range sensing and short-range sensing.

Radar apparatus with multi-input multi-output antenna

The present invention relates to a radar device for a vehicle which may determine a target as a single target or multiple targets according to a dispersion level of a slope for each reception channel, calculated through a phase difference for each reception channel of a reflection signal and an arrangement interval for each reception channel, and estimate the angle of the target so as to acquire the angle of the target using a small amount of calculations, and a method for estimating the angle of a target using the same. An embodiment of the present invention provides a radar device for a vehicle, which detects a target located in the front side of a vehicle, comprising an electronic control unit configured to: calculate the slope of a reflection signal received for each reception channel, using a phase difference for each reception channel of the reflection signal and an arrangement interval for each reception channel, wherein the reflection signal is obtained by transmitting a predetermined transmission signal and receiving the transmitted transmission signal which is reflected back from the target; and determine the target as a single target or multiple targets according to a dispersion level of the calculated slope so as to estimate the angle to the determined target.

Radar device for vehicle and method for estimating angle of target using same

The present disclosure provides a radar apparatus and a method of correcting an error of the radar apparatus. According to the present disclosure a first transmitting antenna group and a first receiving antenna group are constituted by elongating some of a plurality of transmitting antennas and a plurality of receiving antennas in a first direction of vertical directions, a second transmitting antenna group and a second receiving antenna group are constituted by elongating the other antennas in a second direction opposite to the first direction, and one or more of transmitting antennas that transmit transmission signals and one or more of receiving antennas that receive reflection signals are included in different groups, thereby being able to measure elevation information of an object and correct a mounting position of the radar apparatus on the basis of the information.

Radar apparatus and error correction method thereof

The present disclosure relates to a radar apparatus and an antenna system for the radar apparatus. A first transmitting antenna group and a first receiving antenna group are constituted by elongating some of a plurality of transmitting antennas and a plurality of receiving antennas in a first direction of vertical directions, a second transmitting antenna group and a second receiving antenna group are constituted by elongating the other antennas in a second direction opposite to the first direction, transmitting antennas to transmit transmission signals and receiving antennas to receive reflection signals reflected from an object are appropriately selected, thereby being able to improve horizontal and vertical angular resolving power in both of mid/long-range sensing and short-range sensing.

The disclosure relates to a radar device for a vehicle, enabling distance and velocity of a target approaching at a high speed in a short distance to be measured while securing a detection performance of the target. The radar device includes at least: a transmission unit configured to transmit, as a transmission signal, a multi-chirp signal having different slopes through the transmission antenna; a reception unit configured to receive, through the reception antenna, a reception signal that is the transmission signal reflected on the target located before the vehicle, in which the transmission signal is transmitted by the transmission unit; and a signal processing unit configured to calculate a frequency difference between the transmission signal and the reception signal, frequency variation according to a distance of the target, and frequency variation according to the velocity of the target to measure the distance and velocity of the corresponding target.

Radar device for vehicle and target measurement method therefor

The present invention relates to an apparatus for estimating an arrival-angle of a reception signal and a beam-forming apparatus in a radio wave receiver, such as radar. More specifically, the present invention relates to an apparatus for accurately estimating an arrival-angle of a reception signal, or an apparatus for performing the beam-forming of a reception signal by using a multi-reception array antenna, by using a reference value that is obtained by calculating the degree of distortion of the magnitude and phase of a signal for each reception angle.

Growing community of inventors

Yongin-si, South Korea

Seong Hee Jeong