Chinese researchers achieve breakthrough in underground positioning and navigation
Chinese researchers achieve breakthrough in underground positioning and navigation <br> A driver pulls into an underground car park in Xiongan New Area, north China's Hebei Province, taps "park" on a smartphone app and is guided directly to a vacant space. If the spot has already been taken, the system automatically recommends another. Behind this convenience is a technological breakthrough by a research team at the 54th Research Institute of China Electronics Technology Group Corporation (CETC54). Developed under the name "Xingyuan," the BeiDou micro-base-station system for underground positioning and navigation extends high-precision location services into spaces beyond the reach of satellite signals. The project behind the system has passed a national acceptance review by China's Ministry of Science and Technology, marking an important advance in the country's efforts to build an integrated spatio-temporal netw...