Magna Electronics Sweden Patente

The present disclosure relates to a method performed by a processor arrangement (115, 125) in a vehicle radar system (101) . The method comprises generating and transmitting (S100) radar signals (102) using a first radar transceiver (110), a second radar transceiver (120), a first antenna arrangement (111) and a second antenna arrangement (121), and receiving (S200) radar signals (103) associated with detections (104; 104a, 104b, 104c, 104d) that are associated with a first domain (R₁) and detections (204; 204a, 204b, 204c, 204d, 204e, 204f) associated with a second domain (R₂), at least partly separate from the first domain (R₁), using the antenna arrangements (111, 121) and the radar transceivers (110, 120). The method further comprises transferring (S400), from the first radar transceiver (110) to the second radar transceiver (120), receiver channel data related to detections (204; 204a, 204b, 204c, 204d, 204e) associated with the second domain (R₂), processing (S500), at the first radar transceiver (110), the available receiver channel data related to the detections (104; 104a, 104a 104b, 104c) associated with the first domain (R₁), and processing (S600), at the second radar transceiver (120), the available receiver channel data related to the detections (204; 204a, 204b, 204c, 204d, 204e, 204f) associated with the second domain (R₂).

A camera assembly (10) for a driver monitoring system (1) is disclosed with glare protection. A cap (16) for at least one LED (20) is provided to define an opening (21) through which a light cone (27) exits. The cap (16) is defined by a pass-through section (17) connected to at least one first sidewall (18) and one second sidewall (19). The first sidewall (18) is higher than the second sidewall (19) and the first sidewall (18) positioned close to the lens (12) of the camera assembly (10).

Zusammenfassung wird geladen …

A radar transceiver (101) arranged to transmit a first waveform in a first frequency band, and a second waveform in a second frequency band different from the first frequency band, wherein the second waveform is configured to be scaled in the time domain compared to the first waveform by an amount corresponding to a difference in wavelength between the first and the second frequency bands, thereby compensating for a difference in phase evolution of a target reflection (125) over time for the first waveform compared to the second waveform.

The present disclosure relates to a radar system (210) for a vehicle (200), comprising a plurality of radar transceivers (202, 203, 204, 205) and a control unit (208). Each radar transceiver (202, 203, 204, 205) is associated with a main pointing direction (PI, P2, P3, P4) and a certain frequency sub-band (A, B, C, D), where the subbands (A, B, C, D) together form a certain dedicated frequency band. The control unit (208) is adapted to:- define heading intervals which divide a full turn interval 0° - 360° into sections,- assign a corresponding sub-band (A, B, C, D) to each heading interval,- determine a present vehicle heading (F), and to- assign a corresponding sub-band (A, B, C, D) to each one of the radar transceivers (202, 203, 204, 205) in dependence of the heading interval that comprises the present vehicle heading (F).

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

The present disclosure relates to a vehicle radar system (3) comprising a control unit (4) and at least one transceiver arrangement (5), for transmitting radar signals (6) and receiving reflected signals (7), The vehicle radar system (3) is adapted to identify at least one ground stationary target object (8), and to follow the ground stationary target object (8) for a plurality of times (t<1>-t<5>). For at least two different values of a parameter (v<host>, ω, θ<GND>) related to, or affected by, vehicle dynamics or vehicle statics for a host vehicle (1), the control unit (4) is adapted to calculate a coherently integrated complex signal representing the detected ground stationary target object (8<t1>, 8<t2>, 8<t3>, 8<t4>, 8<t5>) for the plurality of times (t<1>-t<5>) using said parameter (v<host>, ω, θ<GND>) such that a resulting signal magnitude (A<1>, A<2>, A<3>, A<4>, A<5>) is obtained. The control unit (4) is further adapted to compare the resulting signal magnitudes (A<1>, A<2>, A<3>, A<4>, A<5>), and to choose the parameter value (v<host3>) that is associated with the highest signal magnitude (A<4>, A<t5>) as the most correct parameter value.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

The present disclosure relates to a vehicle camera circuit board (110) comprising a first main side (111) and a second main side (112). The first main side (111) comprises an imaging sensor (113) and a contact area (114) that is adapted to face a contact part (115) of a lens assembly (101), and the second main side (112) comprises an attachment area (116a, 116b, 116c) adapted to receive a first connector part (117). The attachment area (116a, 116b, 116c) is partly overlapping the contact area (114) when seen against a main side (111, 112).

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A radar transceiver (400) comprising a transmit branch (450, 455, TX) arranged to transmit a radar signal at a frequency F(t), and a receive branch (RX, 405, 410, 420, 430, 460) arranged to receive a radar signal, wherein the receive branch comprises an interference monitoring circuit (430) configured to monitor frequencies adjacent to the frequency F(t) for interference, and to generate a control signal (440) if interference is detected at the adjacent frequencies, wherein the transmit branch is arranged to be paused in response to the control signal (440).

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A method in a vehicle for verifying an estimated position of the vehicle, the method comprising establishing a wireless link to a radio base station, RBS, 150, obtaining data from a downlink transmission on the wireless link (145) from the RBS (150) to the vehicle (100) for estimating the vehicle position, estimating the vehicle position based on the data, transmitting a request for position verification to the RBS (150), receiving a response from the RBS (150) to the transmitted request comprising a verification position estimate based at least partly on data obtained from an uplink transmission on the wireless link (145) to the RBS (150) from the vehicle (100), and verifying the estimated position of the vehicle (100) by comparing the estimated vehicle position to the verification position estimate.

Zusammenfassung wird geladen …

An imaging system (10) for a motor vehicle, comprising a camera mounting part (11), at least one camera module (12) to be mounted to said camera mounting part (11) and a retainer ring (20). The camera module (12) is provided with at least one radially outwardly directed protrusions (13). The retainer ring (20) has multiple elastically deformable spring tongues (21), and the retainer ring (20) is attachable by pushing it over the at least one protrusions (13) under elastic deformation of the spring tongues (21) to an attachment position. Said spring tongues (21) clamp the camera module (12) radially in the attachment position, and the tips (22) of at least three spring tongues (21) axially adjoin a surface (14) of the at least one protrusion (13) in the attachment position. The retainer ring (20) has multiple spring elements (23) applying an axially spring force from said camera mounting part (11) to the tips (22) of the at least three spring tongues (21) in the attachment position.

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

Zusammenfassung wird geladen …

A housing (10) for enclosing at least one electronic component of a motor vehicle comprises at least a first metal housing part (20) with a first circumferential connection surface (21) and a second metal housing part (30) with a second circumferential connection surface (31). The metal housing parts (20, 30) are designed to be connected to each other along a connection direction such that said circumferential connection surfaces (21, 31) lie face to face to each other in the connected state. At least one of the housing parts (20) comprises a plurality of cutting elements (22) protruding from the corresponding circumferential connection surface (21). At least a part of the cutting elements (22) have an oversize with respect to the other circumferential connection surface (31), such that the cutting elements (22) cut into the other circumferential connection surface (31) during connection of the housing parts (20, 30). The cutting elements (22) are distributed over the circumference of said circumferential connection surfaces (21, 31).

Zusammenfassung wird geladen …

The present disclosure relates to linear array antenna (500) comprising at least two superimposed subarray antennas (300, 400), each comprising a plurality of antenna elements (301, 302, 303, 304; 401, 402, 403, 404, 405). For each sub-array antenna i (300, 400), a plurality of antenna elements (301, 302, 303, 304; 401, 402, 403, 404, 405) are positioned in a linear manner defined by dni=εiM⌣in+sid.Here,- the subscript i denotes subarray antenna i (300, 400), where i c [1, q],- ε_i is a sparsity factor that can be any positive integer,- M⌣i=Mipi where M_i is a chosen coprime number that defines subarray interelement spacing, and p_i ∈ [1,M_i], such that M⌣ι is an integer,- n is an integer value which indicates the antenna elements (301, 302, 303, 304; 401, 402, 403, 404, 405) and starts from zero,- d_ni denotes the position of antenna element n (301, 302, 303, 304; 401, 402, 403, 404, 405) in subarray antenna i (300, 400),- d is the Nyquist distance, and- s_i defines a shift distance from a zero reference, being a real number equal to or larger than zero.For at least one subarray antenna (300), the shift distance s_i is chosen separate from zero and integers.

Zusammenfassung wird geladen …

The method relates to a method for annotating data points (151, 161) in a data set, where the method comprises:obtaining (S1) a set of data points associated with an environment sampled by a vehicle sensor (110); anddetermining (S2) a static model (200, 300) of the environment based on the set of data points, wherein the static model of the environment comprises a collection of local statistical models. The method further comprises:obtaining (S3) a new data point associated with the environment;associating (S4) the new data point to a corresponding local statistical model comprised in the static model of the environment; andannotating (S5) the new data point as a stable data point in case the new data point agrees with the corresponding local statistical model.