公开(公告)号：US20240248171A1

公开(公告)日：2024-07-25

申请号：US18413280

申请日：2024-01-16

Applicant: Infineon Technologies AG

Inventor： Mayeul Jeannin ,  Farhan Bin Khalid ,  Dian Tresna Nugraha ,  Andre Roger

IPC: G01S7/40 ,  G01S7/35

CPC classification number: G01S7/4008 ,  G01S7/354 ,  G01S7/356

Abstract: A method for calibrating a transmitter of a plurality of transmitters of a radar system is provided. The method includes setting the radar transmitter to be calibrated to a first Doppler Division Multiplexing (DDM) pattern and associating each of the other transmitters in the plurality with a respective second DDM pattern. A target is detected by performing radar detection with the plurality of transmitters, wherein the transmitter is operated with the first DDM pattern and each of the other transmitters is operated with its associated second DDM pattern, extracting Doppler Fourier transform coefficients for a Doppler spectrum peak corresponding to the target and for spurs associated with the peak, applying an inverse discrete Fourier transform to the extracted Doppler Fourier transform coefficients, detecting a phase error of the transmitter using a result of the inverse discrete Fourier transform and calibrating the transmitter according to the detected phase error.

公开(公告)号：US11899094B2

公开(公告)日：2024-02-13

申请号：US17587286

申请日：2022-01-28

Applicant: Infineon Technologies AG

Inventor： Mayeul Jeannin ,  Farhan Bin Khalid ,  Dian Tresna Nugraha ,  Andre Roger

IPC: G01S13/58

CPC classification number: G01S13/58

Abstract: Systems, methods, and circuitries are disclosed for compressing radar data. In one example, a method includes storing radar data in a memory, the radar data being stored in a data cube having a slow-time dimension, a fast-time dimension, and a channel dimension. The data cube is divided into one or more zones. For each zone a number of data matrices is selected based on a compression factor. Sets of data matrices containing the number of data matrices are formed and, for each set of data matrices, for each data matrix, the data vectors are coded to generate a coded data matrix. A coding for data vectors in a data matrix is the same and a coding for different data matrices is different. The coded data matrices are combined to generate a compressed data matrix for the zone and the compressed data matrices for the one or more zones are stored.

公开(公告)号：US20230243951A1

公开(公告)日：2023-08-03

申请号：US17587286

申请日：2022-01-28

Applicant: Infineon Technologies AG

Inventor： Mayeul Jeannin ,  Farhan Bin Khalid ,  Dian Tresna Nugraha ,  Andre Roger

IPC: G01S13/58

CPC classification number: G01S13/58

Abstract: Systems, methods, and circuitries are disclosed for compressing radar data. In one example, a method includes storing radar data in a memory, the radar data being stored in a data cube having a slow-time dimension, a fast-time dimension, and a channel dimension. The data cube is divided into one or more zones. For each zone a number of data matrices is selected based on a compression factor. Sets of data matrices containing the number of data matrices are formed and, for each set of data matrices, for each data matrix, the data vectors are coded to generate a coded data matrix. A coding for data vectors in a data matrix is the same and a coding for different data matrices is different. The coded data matrices are combined to generate a compressed data matrix for the zone and the compressed data matrices for the one or more zones are stored.