Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY TCU-FITAX-3.5 DSRC OBU User Manual Version 01.04 Version: Author: Date: V01.00 MVT V01.01 MVT V01.02 MVT V01.03 MVT V01.04 MVT 23/03/20 11/05/20 20/05/20 22/05/20 22/06/20 FICOSA INTERNATIONAL S.A. 2016.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification 22/06/20 SHEET BY V01.04 Link to TOP INDEX 2/45 MVT Revision History: Date 23/03/2020 Version V01.00 11/05/2020 Description First Draft Added Review Comments: Section 2.2 – Label Design modified to include Part name, Model Name, FCC ID and FCC Id of the LTE Module. Section 2.5 – Added information related to maximum gain for a permitted Antenna. Section 10.1 – Added Details for a “Permitted Antenna” V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 3/45 MVT LIST OF CONTENTS 1. INTRODUCTION ...................................................................................................................................... 6 2. DSRC OBU SYSTEM DESCRIPTION .................................................................................................... 6 2.1 2.2 2.3 2.4 2.5 2.6 DSRC OBU - GENERAL ASSEMBLY OVERVIEW ......................
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX 11.2 11.3 SHEET BY 22/06/20 4/45 MVT ENABLING FORWARDING ON SC20 .................................................................................................... 39 MQTT API ........................................................................................................................................ 39 Version: Author: Date: V01.00 MVT V01.01 MVT V01.02 MVT V01.03 MVT V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 6/45 MVT 1. Introduction The purpose of this document is to describe and list all the functionalities and capabilities of DSRC OBU from an end user point of view. The acronyms DSRC stands for “Dedicated Short Range Communications” which is the technology that allows V2X communications based on Standard 802.11p. The following data is related to the DSRC OBU for what concerns FCC Certification.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 7/45 MVT Figure 2. Bottom View of the DSRC Units (Metal side) The OBU Bottom side is made of metallic material in order to ease thermal dissipation of the most critical components. In addition, below is shown a breakdown of the DSRC OBU Mechanical Assembly along with the weight for each individual item. Figure 3. DSRC OBU Mechanical Breakdown and Weight The Total Weight of the Unit is 470 g.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 8/45 MVT 2.2 DSRC OBU - Label Details The template of the DSRC OBU label is captured in Figure 4 along with the relevant dimensions. Figure 4. DSRC OBU Label Description There is a specific area on the Top Side of the DSRC OBU to allocate the Label as shown below. 55 ± 0.5 mm 85 ± 0.5 mm Figure 5. DSRC OBU Label Placement and Dimensions Version: Author: Date: V01.00 MVT V01.01 MVT V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 9/45 MVT 2.3 DSRC OBU - External Dimensions Below are shown the overall dimensions of the DSRC OBU. Figure 6. DSRC OBU Overall Dimensions 2.4 DSRC OBU - Boards The DSRC OBU consist of two boards: Main Board: This Board provides the V2X Communications capability. It contains mainly the Main Processor, the RF Front-End, GNSS Receiver and Power Management.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 10/45 MVT Figure 7. Main Board System Architecture The following Figure shows the Architecture of the OBU as Assembly, V2X Main Board + HMI Board. Figure 8. DSRC OBU System Architecture (Main + HMI Board) Although the Antennas are shown in the above diagram to aid understanding of the overall system, these particular items are not supplied as part of DSRC OBU Product.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX SHEET BY 22/06/20 11/45 MVT If the device operates in the specified bands (as per Section 10.1), an Antenna with maximum gain of 3dBi must be used. 2.6 DSRC OBU – Interfaces Description Below are identified all the interfaces of the DSRC OBUs.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 12/45 MVT Figure 10. DSRC OBU Interfaces 2.6.1 MAIN Connector Pin-Out The main connector provides the OBU a direct line from the Vehicle Battery of 12 Volts, it can also be connected to the Ignition line for IGN based wake-up of the OBU. Below are shown the Pin_Out Details of the Main Connector. Version: Author: Date: V01.00 MVT V01.01 MVT V01.02 MVT V01.03 MVT V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 13/45 MVT Figure 11. Main Connector Pin-Out 2.6.2 HMI & CAN Connector Pin-Out The HMI/CAN Connector provides the OBU connection to the Internal CAN Network of the vehicle, it can also be used to map audio and microphone. Figure 12. HMI/CAN Connector Pin-Out Version: Author: Date: V01.00 MVT V01.01 MVT V01.02 MVT V01.03 MVT V01.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX 22/06/20 SHEET BY 14/45 MVT 3. Electrical Characteristics Operating temperature range Operating voltage range Current consumption ON mode [Vin=12V8, T=25ºC] Current consumption BOOTA mode [Vin=12V8, T=25ºC] Current consumption BOOTB mode [Vin=12V8, T=25ºC] Current consumption OFF mode Version: Author: Date: Average Peak Average Peak Average Peak Min -40 9 383 149 193 - V01.00 MVT V01.01 MVT V01.02 MVT V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 15/45 MVT 4. DSRC OBU Power up Procedure The DSRC OBU must be powered up at 12 V. In case the maximum Amperage was to be limited, it would be set, at least, to 1 A. Note that positive (Red), IGN Line (Blue) and negative (Black) line connectors must be plugged to the power source as shown below. Figure 13. DSRC OBU Power up using Power Supply Version: Author: Date: V01.00 MVT V01.01 MVT V01.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX SHEET BY 22/06/20 16/45 MVT 5. DSRC OBU Boot Up Procedure This Section provides a detailed Functionality of the Booting Procedure. The DSRC OBU Platform operates in the 5.9GHz range with the capacity to construct, Tx and Rx Basic Safety Messages (BSM) compliant with standard SAE J2735. 5.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 17/45 MVT 5.3 ADB The HMI Board has ADB for communication between the PC or Main Processor. Figure 15. ADB Devices Connected to Main Processor 5.4 GNSS Fix Acquisition The GNSS Receiver is responsible to provide accurate GPS information to the Main Processor, for construction of a meaningful BSM. The Unit has to get a GPS fix in GNSS Receiver (Refer to SYS-11 in Figure 7) module.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 18/45 MVT Figure 16. Example of GNSS Fix 5.5 Basic Safety Message In order to monitor BSM, the recommended way is to monitor system logs. Command: logread –f | grep –i bsm Figure 17. System Log showing Transmission of BSM’s Note: For Tx or Rx of BSM it is necessary to acquire GPS Fix and also for the unit to have a valid certificate. Version: Author: Date: V01.00 MVT V01.01 MVT V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX 22/06/20 SHEET BY 19/45 MVT 5.6 Connecting to the HMI board with ADB over USB The DSRC OBU provides an external interface as shown in Figure 2, to connect to the HMI board with ADB via the HMI USB interface. Figure 18. Interface to connect to HMI Board and ADB Note: It is necessary to have the latest version of adb and fastboot drivers to be installed on the host PC.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification 22/06/20 SHEET BY V01.04 Link to TOP INDEX 20/45 MVT is to get the rest of necessary things to build an Android app.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 6. Capturing Basic Safety Messages Section Pending to be Updated Version: Author: Date: V01.00 MVT V01.01 MVT V01.02 MVT V01.03 MVT V01.04 MVT 23/03/20 11/05/20 20/05/20 22/05/20 22/06/20 FICOSA INTERNATIONAL S.A. 2016.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 22/45 MVT 7. DSRC OBU - Safety Applications The DSRC OBU supports the below Safety Applications as per standard SAE J2945. 7.1 Emergency Electronic Brake Lights (EEBL) The EEBL safety application warns the driver of the Host Vehicle (HV) in case of a hard-braking event by a Remote Vehicle (RV) that is ahead and in the same lane or an adjacent lane.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX SHEET BY 22/06/20 23/45 MVT Figure 20. FCW Use Case #1 FCW Use Case 1: When remote vehicle in the same lane stops, then host vehicle receives a warning from the FCW. Figure 21. FCW Use Case #2 FCW Use Case 2: When remote vehicle in the adjacent lane stops, then host vehicle does not receive a warning from the FCW. Figure 22.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 24/45 MVT Figure 23. FCW Use Case #4 FCW Use Case 4: When the remote vehicle is obstructed by another remote vehicle that is stopped in the same lane, then host vehicle receives a warning from the FCW. 7.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX SHEET BY 22/06/20 25/45 MVT Figure 25. BSW/LCW Use Case #2 BSW/LCW Use Case 2: When a faster moving remote vehicle is in the adjacent lane, then host vehicle receives an advisory warning from the BSW/LCW. 7.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 26/45 MVT 7.5 Intersection Movement Assist (IMA) IMA warns the driver of the HV when there is imminent danger of a crash with a remote vehicle that is approaching the same intersection. The relevant RV zones for the IMA feature are illustrated in figures below. Figure 27.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX SHEET BY 22/06/20 27/45 MVT 7.6 Left Turn Assist (LTA) The LTA safety application warns the driver of an HV that, due to oncoming traffic, it may not be safe to proceed when attempting a left turn. Figure 29.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 28/45 MVT RTA Use Case 1: When a HV approaches an intersection to make a right turn and a RV approaches the intersection in a perpendicular direction, then a warning for RTA is issued. 7.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 29/45 MVT 8. Dead Reckoning Although Dead Reckoning Functionality is still pending to be implemented at the time of issue of the present document, this is planned to be functional in the coming months.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 30/45 MVT 9. Vehicle Integration 9.1 DSRC OBU - Mechanical Vehicle Integration The DSRC OBU must be installed into the vehicle by using the 4 feet indicated below. Figure 32. DSRC OBU Mounting Feet The Fasteners to be used are the following ones: 4 x M3 Screws 4 x M3 Washers 9.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 31/45 MVT The units Boot Wake up condition depends on the following inputs: The +ve (+12V) connected to the Positive of the Battery. The –ve line (-12V) connected to the Negative of the Battery. The IGN Line Cascaded with the IGN line of the Car. The OBD-2 port Split to the Harness, so the unit is able to read signals of the Network. 9.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX 22/06/20 SHEET BY 35/45 MVT 10. Regulatory Information USA Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules.
Project DATE REFERENCE LEVEL TCU-FITAX-3.5 FCC Certification V01.04 Link to TOP INDEX Wi-Fi – 2.4GHz/Bluetooth Wi-Fi – 5GHz SHEET BY 22/06/20 36/45 MVT Wi-Fi/BT Flexible 2.3 dBi Antenna (Manufacturer: Ficosa 4 dBi S.L) *Maximum Gain Data for GSM, WCDMA and LTE is taken from Quectel LTE Module SC20 supplier Datasheet, the FCC IF of which is XMR201706SC20A. Additional Notes: The DUT needs external antennas to be properly used and are not included in the scope of this certification.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 37/45 MVT provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 38/45 MVT 11. Annex #1 11.1 Host a Hotspot The DSRC OBU with an Active SIM is capable of hosting a Hotspot, to enable the hotspot on the OBU please follow the following procedure: Connect the USB reworked cable. Power on the board. Connect HDMI display (720p).
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 39/45 MVT Scroll UP and enable hotspot(ENTER): input keyevent 19 // UP (as many times as needed ) input keyevent 66 // ENTER Now the hotspot will be active with no password. 11.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 40/45 MVT instance and Ethernet connection. MQTT protocol provides mechanisms to publish and subscribe to/from multiple topics and to define policies and access rules for every topic. Together with the MQTT support for SSL this option allows to setup a security configuration over this protocol. 11.3.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 41/45 MVT Figure 34. CAN Service API 4. sysMng: sysMng (short for System Manager) can be present from one to more microcontrollers inside the OBU system, each being responsible of reporting status information and enabling or disabling functionalities of its own microcontroller.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 22/06/20 42/45 MVT This application does not provide a command line interface and its functionality shall be exploited through the usage of MQTT API as described in this section. 5.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX 11.3.5 SHEET BY 22/06/20 43/45 MVT Command execution Some of the MQTT topics accept commands. To execute a command, the specified string should be published to the topic that accepts the command. If the command requires some parameters, those should be provided together with the command using as a delimiter a blank space. 11.3.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY 11.3.
Project DATE TCU-FITAX-3.5 FCC Certification REFERENCE LEVEL V01.04 Link to TOP INDEX SHEET BY GNSS_Event V2X_APP V2X_APP/EBBL V2X_APP/FCW V2X_APP/BSW V2X_APP/LCW V2X_APP/DNPW V2X_APP/CSW V2X_APP/IMA V2X_APP/XTA V2X_APP/BHI BSM Request BSM Response Version: Author: Date: V01.00 MVT V01.01 MVT V01.02 MVT V01.03 MVT V01.04 MVT 23/03/20 11/05/20 20/05/20 22/05/20 22/06/20 FICOSA INTERNATIONAL S.A. 2016.
