System-On-Module
What Should I Do If I Have Not Received the Whitelist? How Can I Obtain and Import It?
Please refer to the “Upload Whitelist” section under V2Xcast SDK in the Unex Software Development Guide (SDG) for full details
Have Unex Products Obtained Any Certifications or Participated in Interoperability Testing?
For detailed certification information, please consult the Product Development Department.
- OA Certification: Please refer to the official Unex OA certificate. Additional details are available on the OA official website.
- Interoperability Testing: Unex participated in DSRC testing in earlier years and has more recently joined TPF testing. European standard (EU) testing has not yet been conducted.
How to Find Your MAC Address
A MAC Address (Media Access Control Address) is a unique identifier for every V2X device, required for add-on purchases, technical support, repair services, and warranty inquiries.
This 12-character alphanumeric code is typically printed on the device label, with location varying by product.
You can also use software to look up the MAC address, a method applicable to all of Unex's connected vehicle (V2X) products.
V2X System Module: Communication Transmission Distance Field Test Analysis
According to field test results, the Unex V2X SOM system module delivers a communication range of 150–300 meters in typical urban traffic environments. This range is sufficient to support key V2X applications such as intersection collision warnings and traffic signal information, ensuring safer and smarter transportation.
V2X System-On-Module – Communication Range Analysis
Field testing has demonstrated that Unex Technology’s V2X SOM system module achieves a communication range of 150 to 300 meters in urban traffic environments, enabling critical applications such as intersection collision warnings and traffic signal information broadcasting. The module has been rigorously tested and validated against both IEEE 802.11p and C-V2X standards. It delivers outstanding […]
V2X Indoor Testing
With DSRC radio, the POTI service provides a configured position for testing without the GNSS signal. You can upload the POTI configuration file through v2xcast_manager.
Due to the CV2X PC5 radio being based on 3GPP RF requirements which need highly accurate timing synchronization, the CV2X devices cannot send and receive messages without any GNSS signal. In our experience, most of our customers including ourselves use GNSS repeaters for indoor testing.
V2X for video streaming
Video streaming based on V2X technology is possible, but not very feasible in the open field. The V2X protocol is mainly designed for sharing the status of vehicles and emergency road events; basically, there should not be any station that bursts packets or occupies most of the bandwidth. For the request of video streaming or […]
Trade Information for Unex’s V2X system
Understanding the ECCN, CCATS, and HS Code is essential for managing import procedures and tariff regulations for Unex's V2X wireless devices.
Use these codes as a reference to ensure smooth compliance with international trade and customs requirements for Unex V2X products.
Inter-subsystem: Latency Cause (Ethernet or USB/mPCIe)
The latency caused by connecting subsystems via Ethernet or USB/mPCIe can vary depending on the hardware, network, and software used.
These latency figures are generalizations and can vary based on the specific hardware, software, and network configurations in a given system. Additionally, network congestion, packet loss, and other factors can also impact latency. It's recommended to test and benchmark the latency in your specific setup to obtain accurate measurements.
In-vehicle-network Data Usage in (SOM + Vehicle PC) application
The specifics of accessing the in-vehicle network and retrieving data will depend on the CAN interface and SDK provided by your main system. You would need to consult the documentation and APIs of your main system's SDK to interface with the in-vehicle network and collect the required data.
SOM: External high accurate GNSS RTK from the host RSU platform
To enable the SOM to use an external high-accuracy GNSS RTK (Real-Time Kinematic) from the host RSU (Roadside Unit) platform, you can follow these steps:
Configure the host RSU as a base station, Enable V2Xcast® RTCM message support, Distribute RTK data to nearby OBUs, Implement the sample application, Configure and integrate the SOM, Utilize the received RTK data.
By following these steps and utilizing the V2Xcast® SDK's support for RTCM messages, you can establish a communication mechanism between the host RSU and SOM to provide high-accuracy GNSS RTK data for improved positioning in V2X applications.
SOM: Upload Custom Firmware
The V2Xcast® Service and SOM are designed to separate V2X communications and applications into different hosts.
While it is technically possible to upload custom firmware onto the SOM module, it is generally not recommended unless some specific reasons or requirements cannot be met by the existing firmware.
SOM-3xx: Quick Integrating Verification
To quickly verify whether the SOM-3xx V2X System-On-Module is properly integrated on the Linux host platform (using the Unex software package), you can follow these steps:
Check RNDIS Driver, Verify Device Registration, Ping the RNDIS Device IP, SSH into the V2X SOM.
By following these steps, you can perform a quick verification of the integration between the SOM-3xx V2X System-On-Module and the Linux host platform.
SOM: Additional External
SOM is a very flexible off-the-shelf V2X System-On-Module to support the use of external GNSS, in addition to the onboard GNSS.
As the onboard GNSS is a major component in the Unex's V2X system, it will serve to provide “position” and “timing” for both V2X protocol stacks and V2X applications.
By adhering to this recommendation, you can ensure the reliable and optimal performance of the SOM module when utilizing external 1PPS synchronization signals.
Why Choose Unex’s V2X Solutions Over Other Vehicle Data Modules on the Market?
V2Xcast® is a service-oriented software solution that provides a comprehensive set of V2X functionalities, including communication protocols, security measures, and application example code.
Regardless of the specific V2X application software used, through Unex's V2Xcast® system, partners can easily migrate their validated software to any of Unex's current and future V2X devices.
Relating V2Xcast® Fee
V2Xcast® is a comprehensive solution embedded in Unex's V2X devices and offered as a bundled package for Proof of Concept (PoC) projects or market deployments.
The package includes: Usage rights for Unex's Workshop Communication Stack, V2Xcast® technology, Software development tools, Software usage agreement.
12-month hardware warranty, Free software updates, Technical support.