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MIMO detector device useful for automated vehicles

A technology for detectors and equipment, which is applied in the direction of instruments, measuring devices, and the use of re-radiation, and can solve problems such as expensive calculations

Active Publication Date: 2019-03-19
APTIV TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Previously proposed approaches for removing or reducing the effects of such residuals tend to be too computationally expensive and require the autonomous vehicle to include too much processor power

Method used

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  • MIMO detector device useful for automated vehicles
  • MIMO detector device useful for automated vehicles
  • MIMO detector device useful for automated vehicles

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Embodiment Construction

[0015] Embodiments of the invention include a detector device that provides the capability to remove residual or noise from received radiation comprising multiple codes for MIMO transmission. Such devices are useful for various vehicular applications, such as detectors on automated or semi-autonomous vehicles. Such devices are also useful for assisting drivers of automated vehicles.

[0016] figure 1 An example vehicle 20 is schematically illustrated including a detector device 22 configured for use with MIMO transmission or signaling techniques. In some examples, detector device 22 is capable of detecting radar radiation reflected off at least one object 24 in the vicinity or path of vehicle 20 . figure 1 Two objects 24A and 24B are illustrated in FIG. The transmitted radiation is schematically illustrated at 26 and the reflected wave or radiation is shown at 28 . The transmitted radiation and detected radiation may be regarded as eg signals or waves.

[0017] figure 2...

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PUM

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Abstract

A MIMO detector device useful for automated vehicles is described. An illustrative example embodiment of a detector device (22) includes a receiver (40) configured to receive radiation (28) comprisinga plurality of codes. Each of the codes is associated with one of a plurality of transmissions (26A, 26B) and each of the codes is distinct from the other codes. A processor (42) is configured to obtain information corresponding to at least one predetermined phase code spectrum (56) for the codes, determine (58) a demodulated signal spectrum (60) of radiation received by the at least one receiver, determine (64) at least one characteristic of the determined demodulated signal spectrum (60), adjust (66) the at least one predetermined phase code spectrum (56) based on the determined characteristic to generate an adjusted phase code spectrum (68), and refine (70) the determined demodulated signal spectrum (60) based on the adjusted phase code spectrum (68) to generate a refined demodulated signal spectrum (72).

Description

Background technique [0001] Innovations in electronics and technology have made it possible to incorporate various advanced features on autonomous vehicles. Various sensing technologies have been developed for detecting objects or monitoring the surrounding environment in the vicinity or path of a vehicle. Such systems are useful for, for example, parking assist, lane departure detection, and cruise control adjustment features. [0002] More recently, automated vehicle features have become possible allowing autonomous or semi-autonomous vehicle control. Sensors for such systems may incorporate lidar (light detection or ranging) or radar for detecting objects or another vehicle in the vehicle's path or otherwise close to the vehicle. Depending on the approach speed, cruise control settings may be automatically adjusted to reduce the vehicle's speed based on, for example, detecting another vehicle in the vehicle's path. [0003] One proposal to improve such sensing techniques...

Claims

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Application Information

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IPC IPC(8): H04B7/0413H04L27/00G01S13/931
CPCH04B7/0413H04L27/0012G01S7/023G01S13/288G01S13/325G01S13/931G01S2013/0245G01S2013/93271G01S7/0233G01S7/0234G01S13/284H04B7/08
Inventor 付侃
Owner APTIV TECH LTD
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