US Patent Issued to National Time Service Center, Chinese Academy of Sciences on Sept. 30 for "LEO-augmentation-based convergence time shortening method of wide-area UDUC PPP-RTK positioning" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,608, issued on Sept. 30, was assigned to National Time Service Center, Chinese Academy of Sciences (Xi'an, China).

"LEO-augmentation-based convergence time shortening method of wide-area UDUC PPP-RTK positioning" was invented by Kan Wang (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An LEO-augmentation-based convergence time shortening method of wide-area UDUC PPP-RTK positioning is provided, which includes: establishing UDUC PPP-RTK network end observation equations of GNSSs, and integrating navigation signals of an LEO satellite navigation system into the UDUC PPP-RTK network end observation equations, to obtain LEO-integrated GNSS...