Technical Description & Installation Guide Model 24 SQ Sensor Version: Date: 1.0 31. July 2013 Copyright Autoliv Inc., All Rights Reserved Vervielfältigung oder Weitergabe ohne ausdrückliche, vorherige Genehmigung von Autoliv ist ausdrücklich verboten. Ver 1.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 Content CONTENT 2 1 GENERAL DESCRIPTION 3 1 SENSOR DESCRIPTION 1.1 SENSOR COMPONENTS 1.2 SENSOR DIMENSIONS 1.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 1 General Description Autoliv manufactures different types of 24 GHz Short Range Radar sensors. The sensor types are working in two modes, NB (Narrowband) mode and UWB (Ultra Wide Band) mode. In the NB mode the sensor is working in the frequency band 24.25-24.25 GHz, in the UWB mode in the frequency band 24.25-26.65 GHz.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 1 Sensor Description 1.1 Sensor Components The sensor consists of five main mechanical components (Housing, DSP Board, Shielding, RF Board, Radome). Sensor Components The connector header is part of the sensor plastic housing. Two connector options are possible. • • 1x6 Hirschman (shown) 1x8 USCAR 1.2 Sensor Dimensions The assembly process is in an advanced robot based production process.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 1.3 Sensing Characteristics The specification for SRR (Short Range Radar) and MRR (Mid Range Radar) are different due to a different range of detection and field of view. The MMR (Multi Mode Radar) is a combination of SRR and MRR. The SQ sensor is an advanced version of the MMR sensor.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 2 Radar Waveform Description for Mitigation Autoliv has developed a proprietary frequency hopped, pulsed, coded FMCW like waveform. The radar codes transmit information in time and frequency and separates return information in both the doppler domain and distance domain. A target return can be separated from a target return of another transmitter station in three ways. 1.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 3 Waveform Timing Diagram Frequency vs. Time Diagram Freq.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 4 Vehicle Integration Autoliv has experienced with body mounted and fascia mounted attachment. Preferably, the sensor slides in a plastic bracket attached onto the fascia as represented below: The packaging guidelines have proven to be effective in use at several OEM’s in series production using AUTOLIV radars.
File Name: 24 GHz SQ_Technical Description_Installation Guide Date: 31. July 2013 5 Regulatory Hints The 24 GHz radar sensor system needs an individual approval for each country. If you are driving in a country in which the radar sensor system is not approved the system has to be deactivated.
