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OBU-201E

V2X On-Board-Unit, ETSI TC-ITS protocol stack

OBU-201E is an automotive-grade V2X On-Board-Unit with firmware of drivers and ETSI TC-ITS stack. SDK enables direct deployment of V2X software-enabled service on OBU-201E. HSM and feature rich interfaces support innovative applications and security.


System

Powerful V2X Platform
Processor, DSRC RF, 128MB DDR3, 32MB NOR
Embedded V2X Stack
GN, BTP, GN6, CAM, DENM, and security
Interoperability
Standard compliant ETSI TC-ITS stack
GNSS Positioning
GPS/Glonass/Galileo/QZSS constellations
Hardware Security
ECDSA 256 signing, secure private keys storage
Power Supply
DC 6-32V power-in
GNSS Hot Start
Vbatt. power for GNSS RTC hot start
Delay Power-On
Programmable cranking delay on
Power Management
Idle, ON, and OFF
File Integrity
Safe FAT, 8GB microSD
DSRC Antenna
FAKRA Z x 2
GNSS Antenna
FAKRA C active x 1
Automotive Design
-40°C ~ +85°C (Infineon SLE97: -20°C ~ +85°C)
Development Tool
Unex® V2X SDK and support

Performance

DSRC Performance
Class C spectrum masks: +20dBm RF power at antenna port
Fading Sensitivity
Superior performance in multipath scenarios
Frequency Deviation
Frequency accuracy at ± 6.0ppm in –40°C ~ +85°C
Power Accuracy
Dynamic and accurate power in 4.5dBm ~ 25dBm
GNSS Performance
1.5m accuracy (CEP50 with SBAS), 10Hz refresh rate
Security Performance
< 50ms latency on ECDSA 256-bit signing
ESD Protection
IEC 61000-4-2 Level 4, Contact ±8kV, Air ±15kV

Flexibility

Feature Rich I/O
Ethernet, CAN, RS232, audio-out, microSD
External GNSS
RS232 supports external GNSS
GNSS Antenna
on-board MMCX connector, in addition to FAKRA C
Dual Power Input
4-pin or round jack
Data Storage
microSD slot, 8GB SDHC
V2X Enabling
Enabling V2X on outdoor Wi-Fi AP

Complete and interoperable IEEE 1609.x protocol stacks with API:


Frequency Accuracy:

Power Control Accuracy:

Class C mask performance at +20dBm from -40°C ~ +85°C:




 

Consistent EVM performance over a wide 5~22dBm power levels and -40ºC~+85ºC temperature range provide high channel efficiency.

25 degrees C 85 degrees C -40 degrees C
TX2 TX1 TX2 TX1 TX2 TX1
dut1 -28 -28 -29 -27.8 -27.7 -27.5
dut2 -30.5 -27.5 -30 -27 -30 -27.4
dut3 -31.4 -26.3 -30.2 -28.8 -28 -27

Connect OBU-201E RS-232 to PC USB port. Directly develop or deploy V2X application programs on OBE-201E internal system.





RS-232 (Female)
Learn more
CAN1 (Male)
Learn more
CAN2 (Male)
Learn more
4-pin Power Input
Learn more
9-pin GPIO Headers (on-board JP14)
Learn more

Module-Structure Enables Variable OBUs

OBU-201E is an automotive-grade V2X OBU which integrates VTX-201 DSRC sub-system, PCB-2011 GNSS/HSM carrier board, and ETSI TC-ITS stack in an aluminum enclosure. Module-structured architecture provides high application flexibility to easily customize PCB-201 carrier board and smoothly migrate to variable OBUs, no impact on existing V2X software, services, and RF performance of VTX-201 sub-system to speed V2X innovation.

Software Specifications

Operation System
ThreadX RTOS
ETSI TC-ITS Stack
Current ready GN, BTP, GN6, CAM, DENM, SEC
Development Tool
V2X SDK: API, sample codes
System Service
RS-232 console, baud rate 115200 bps

Hardware Specifications

Main Chipset
CRATON, PLUTON, SL869, SLE97
Memory
32MB NOR, 128MB DDR3
DSRC
5.85 ~ 5.925 GHz
802.11p
± 6.0ppm deviation
Class C +20dBm RF power
DSRC Sensitivity
-73 ~ -97dB (typical)
Learn more
Fading Sensitivity
Rural LOS: -92.5dBm
Highway LOS: -91.5dBm
Urban Approaching LOS: -91.5dBm
Crossing NLOS: -89.5dBm
Highway NLOS: -88.5dBm
GNSS
1.5m accuracy (CEP50 with SBAS)
-135dBm sensitivity
NMEA 0183
Security
ECDSA 256-bit signing (<50ms)
private and public keys verification
secure storage of private keys in HSM
External Connector
two CAN 2.0b
one 10/100 Ethernet
one RS-232 console
one audio jack
one reset button
one microSD socket
On-Board Interface
nine GPIO pins
MMCX connector
Antenna
two DSRC FAKRA Z
one GNSS FAKRA C
Power Supply
4-pin or round jack
Operation Voltage
DC 6-32 V ± 5%
Power Consumption
0.29 ~ 0.315A
Learn more
Power Management
Idle, ON. and OFF
Operation Range
ambient: -40°C ~ +85°C
(Infineon SLE97 -20°C ~ +85°C)
Product Dimension
125(L)x109.5(W)x30(H) mm

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