Applications requiring outdoor position estimation, such as unmanned construction and delivery automation, focus on receiving global navigation satellite system (GNSS) correction information from ...

In a research article recently published in Space: Science & Technology, researchers from Chinese Academy of Military Science, Tsinghua University, and Beihang University together work on how to ...

Table 1 Operational BeiDou System satellites in orbit. The last launched BDS-3 GEO satellite C61 is not included, because it is still in the in-orbit testing phase when the paper is completed. Table 2 ...

A novel method using signals of opportunity from Low Earth Orbit (LEO) satellites is redefining what’s possible in satellite-based navigation. Researchers have developed a joint pseudo-range and ...

Here is a good example of CSP at work. Imagine two BPSK signals with different symbol rates and slightly different center frequencies. Looking at the combined BPSK signals - created with mksig.py -d, ...

Field experiments conducted in a dense campus environment with severe signal obstruction show clear performance gains. The proposed method achieved horizontal positioning errors within 3 m and 5 m for ...

Your browser does not support the audio element. During a recent infrastructure survey, a handheld scanning system captured a multi-acre property in less than 15 ...

U.S. Space Force operators conduct Global Positioning System (GPS) electromagnetic interference training at Schriever Space Force Base, Colorado. Credit: U.S. Space Force photo by Ethan Johnson ...