Breaking the Cyclic Prefix Barrier: Zero-Padding Correlation Enables Centimeter-Accurate LEO Navigation via 5G NR Signals

• Published in: Remote sensing (Basel, Switzerland) Vol. 17; no. 13; p. 2116
• Main Authors: Deng, Lingyu, Yang, Yikang, Ma, Jiangang, Wu, Tao, Qian, Xingyou, Li, Hengnian
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.07.2025
• Subjects: 5G mobile communication; Accuracy; Artificial satellites; Communication; Earth orbits; Electronics in navigation; Extended Kalman filter; Global navigation satellite system; integrated communication and navigation; Localization; low Earth orbit (LEO); Low earth orbit satellites; Low earth orbits; Machine learning; navigation; navigation receiver; Navigation systems; new radio (NR); OFDM; Orthogonal Frequency Division Multiplexing; Power spectral density; Real time; Receivers & amplifiers; Satellite tracking; Satellites; Simulation; Simulation methods; Spectrum allocation; China; New Jersey

Low Earth orbit (LEO) satellites offer a revolutionary potential for positioning, navigation, and timing (PNT) services due to their stronger signal power and rapid geometric changes compared to traditional global navigation satellite systems (GNSS). However, dedicated LEO navigation systems face hi...