China Communications
Space-Air-Ground Collaborative Positioning, Navigation and Timing Architecture and Key Technologies for Low-Altitude Economy
Lu Mingquan, Yao Zheng, Shen Yuan, Li Xingxing, Wang Zhipeng
China Communications . 2025, (9): 48 -80 .  DOI: 10.23919/JCC.fa.2025-0129.202509