Original ResearchPublished 5 October 2026Elevation-cutoff-dependent convergence and steady-state performance of LEO-augmented multi-GNSS PPP time transferTianpei Liu · Daqian Lyu · Pulong Nan · Jian Lyu · Xinyun Cao · Mengqi Qiang · Zhouji Wang · Fei Shen · Caoming Fan · Yifei ZhaoFrontiers in Astronomy and Space Sciencesdoi 10.3389/fspas.2026.1969705
Original ResearchPublished 23 September 2026Adaptive clock modeling for real-time GPS/Galileo PPP timing of LEO satellitesShiyu Yu · Guanqi Liu · Tianpei Liu · Xinyun Cao · Guangjie Luo · Qiwei Chen · Fei Shen · Dong ZhangFrontiers in Astronomy and Space Sciencesdoi 10.3389/fspas.2026.1967277
ReviewPublished 5 March 2026Direct-to-satellite internet of things (DtS-IoT): a tutorial review on architectures, protocols, and future directionsSerdar Akar · Alessandro Compagnoni · Juan A. Fraire · Roberto GarelloFrontiers in Communications and Networksdoi 10.3389/frcmn.2026.1750955
Brief Research ReportPublished 25 February 2026Conceptualizing thresholds for effective active debris removal in Low Earth OrbitSofia YangFrontiers in Space Technologiesdoi 10.3389/frspt.2026.1777020
Communications and NetworksPublished 29 October 2025Adaptive ant colony methods for UAV LEO coordination in non terrestrial IoTHitesh MohapatraFrontiers in Communications and Networksdoi 10.3389/frcmn.2025.1691346
ReviewPublished 20 June 2025Handover challenges in disaggregated open RAN for LEO Satellites: tradeoff between handover delay and onboard processingSiva Satya Sri Ganesh Seeram · Luca Feltrin · Mustafa Ozger · Shuai Zhang · Cicek CavdarFrontiers in Space Technologiesdoi 10.3389/frspt.2025.1580005
Advanced Optical TechnologiesPublished 21 March 2025High resolution satellite imaging 0.5U-size freeform telescope for CubeSatJacek WojtanowskiAdvanced Optical Technologiesdoi 10.3389/aot.2025.1568420