We are able to distinguish the signal patterns in the digital waveforms and filter them out. So, by the very nature of the measurement method, there’s a higher resilience to interference. Typically, it’s between 10 to 50 light pulses which make one measurement. The first is that each of our measures are built from a high number of light pulses, so it’s not just one or a few light pulses, as is the case with some of the other mechanical LiDAR solutions. He adds: “ Our technology addresses a number of areas. The shadows, for example, are not an issue because LiDAR only beams off solid hard objects.” Pierre adds: “ LiDAR is very good in that respect. According to Pierre, “ LiDAR can provide good resolution, but it struggles a bit more during harsh weather.” It is, however, very effective in overcoming the shadows and blinking lights from other vehicles. The limitations of LiDAR are something that LeddarTech does try to address through its R&D and innovation efforts. Still, Pierre mentions that “ radar solutions don’t work very well with static objects because there tends to be a lot of clutter, so it has limitations in a moving environment.” However, we have seen that some solution vendors are actively addressing that challenge by integrating higher frequency capabilities in radar (61-81 GHz). It’s well-known that a technology like 4D imaging radar is very good in harsh weather conditions but also disadvantages ADAS by providing lower resolution. But they can’t provide accurate depth measurement – unless you get into stereo cameras, but these also have their own limitations.“ If you take cameras, for example, they’re very good at accurate lateral positioning because they’re offering high-resolution images. The requirements include long-range, wide field of view and accurate depth measurement. , all these technologies are complementary, and there’s no one sensor modality that can address all requirements. Says Pierre: “ We don’t see ourselves as only a LiDAR company.
LeddarTech tests vehicle in Québec City, Canada, with a full suite of sensors, including LiDAR (Credit: LeddarTech Global Marketing & Communications team)