National Instruments assists C-V2X communication to help you develop safer cars
- 2020-06-24-

National Instruments(National Instruments, referred to as "NI") is a provider of software-defined test and measurement platforms that help accelerate the development and performance improvement of automated test and automated measurement systems. Today, SEA C-V2X open loop testing was released The system uses 4G wireless cellular technology to provide high-bandwidth and low-latency communications for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications.

NI is working with NI Alliance Partners* (SEA) to help OEMs and component suppliers verify the safety and efficiency of cars by providing software-defined test equipment, so as to maximize the full potential of connected cars. With the evolution of 3GPP standards, including the 5G NR function of 3GPP Release 16 planned to be launched in 2020, the software-defined test and measurement platform provides OEMs and component suppliers with a highly flexible test and measurement platform, with minimal hardware and Software changes adapt to the latest technology.

In a 2016 study, NHTSA estimated that safety applications based on V2V and V2I can eliminate or reduce the severity of vehicle collisions by up to 80%, including collisions at intersections or when vehicles change lanes. By communicating driving intentions and collecting data about their surroundings from other vehicles, V2X can better inform humans and autonomous vehicles to improve reaction time and reduce the difficulty of decision-making in vehicle interactions, such as turning left and crossing vehicles in cross-road conditions problem.

Using cellular technology for physical layer communications, C-V2X will benefit from the massive investment in cellular communications (including 5G) and a huge technology ecosystem. For this technology to work, participants need to standardize communications and understand how systems from multiple vendors interact and analyze behavior in real scenarios. Ultimately, 5G is expected to provide higher throughput and lower latency for driverless vehicle communications, high-definition map downloads, and advanced pedestrian interaction. As most projects are still in the early stages of evaluation and standards are still evolving, automobile OEMs, suppliers and academic researchers are constantly investing in the development of new tools to adapt to the development of C-V2X technology.

Dr. Gerd Schmitz, CEO of SEA, said: "V2X-equipped vehicles can give drivers and autonomous driving systems more time to deal with dangerous situations. SEA has many years of experience in bringing new technologies to the market, and we recognize that the research team needs Quickly understand functions and verify performance in a reliable and repeatable environment. Road testing is very valuable, but performance verification in the laboratory can help the team to speed up the iteration speed, and even more difficult to replicate extreme situations including More confidence in the operation of the equipment in a wide range of scenarios."

Dr. Schmitz also recognized how NI’s innovative methods and platforms have enhanced their company’s processes. "By building on the NI platform, we are able to accelerate our development by focusing on key V2X IP and driving scenarios. This allows us to release C-V2X tools early in the design cycle to help research teams have the Higher confidence"

The new C-V2X solution combines software from the NI alliance partner SEA company, and uses NI software radio (SDR) hardware to send the actual signal to the RF and GNSS channels on the C-V2X controller and telematics control unit . By clearly expressing C-V2X and GNSS signals to the C-V2X controller, the new C-V2X solution can simulate emergency brake warnings or omnidirectional stop signals, and help engineers modify equipment parameters in the laboratory. The new C-V2X solution includes pre-compiled driving scenarios such as left turn assist, emergency braking warning and traffic jam warning, allowing users to start the first measurement more quickly.

SEA also provides the following software add-ons:

? Congestion simulation software, used to simulate the surrounding environment, can accommodate up to hundreds of cars to improve test coverage

? Channel simulation software, used to simulate the physical distortion of radio waves to understand signal propagation

In addition, these systems further use NI vector signal transceivers for RF measurements for characteristic analysis and compliance analysis.

SEA C-V2X open loop test system helps the V2X research team to quickly develop the system, from simple V2X playback test (open loop) or functional test, to multiple sensor target simulators, GNSS RF, scenario simulation, user-defined models HIL test system composed. As standards and new business models change, engineers who develop next-generation cars must balance the issues of product scalability and time to market. The new C-V2X solution provides a higher level of starting point to help demonstrate early results. The solution also has the flexibility of the NI platform to help ensure that these teams can adapt to changing market needs.