PPP‑B2b‑RTK: a PPP‑B2b augmentation method by using the SSR corrections from a single reference station Leitong Yuan · Bofeng Li · Weikai Miao · Haibo Ge · Zhilu WuAbstract The PPP-B2b service provided by the BeiDou global navigation satellite system (BDS-3) is regarded as a convenient approach for real-time precise point positioning (PPP). However, float PPP solutions with decimeter-leve...
Enhanced Land Vehicular GNSS/INS Combined System by Using Multiple-antenna with Common Clock Guang’e Chen, Bofeng Li, Linkun He and Tianxia Liu.AbstractGlobal Navigation Satellite System (GNSS)/ Inertial Navigation System (INS) combined system is an undoubtedly vital component of Land Vehicular Navigation (LVN). However, the performance of the GNSS/INS integrated system still experiences...
A strategy to determine GRACE-FO kinematic orbit during the activation of flex power Guanlong Meng · Haibo Ge · Tianhao Wu · Bofeng LiAbstract GPS flex power can improve anti-jamming capability by enhancing the transmitting power of individual signals. However, during the active periods of GPS flex power in 2020, it was found that the accuracy of kinematic orbit for GRACE-FO satellites is d...
PLACE-LIO: Plane-Centric LiDAR-Inertial OdometryLinkun He ,BofengLi，Guang’e ChenAbstractPlanes provide effective and reliable constraints for a LiDAR (-Inertial) Odometry method to achieve accurate pose estimation. Typically, one can readily construct local planes by nearestneighborsearchorvoxelization.Comparedtoglobalplanes (GPs), these local planes are of lower confidence and always in...
Can the low earth orbit enhanced GNSS (LeGNSS) achieve the expected Precise Point Positioning (PPP) solutions in urban canyons? Yanning Zheng, Bofeng Li and Haibo GeABSTRACT Low Earth Orbit (LEO) satellites are expected to improve Global Navigation Satellite System (GNSS) Precise Point Positioning (PPP) by providing rapid geometric variations. While centimeter-level PPP accu racy has been ach...
Noise Model-Based Line Segmentation for Plane Extraction in Sparse 3-D LiDAR Data Linkun He , Bofeng Li and Guang’e ChenAbstractPlanar features serve as an important component in point cloud registration and reconstruction. However, extracting planes in the point clouds collected by a 3-D LiDAR sensor is still a challenging task due to the sparse property. To obtain reliable plane segme...
Zero-Reconvergence PPP for Real-Time Low-Earth Satellite Orbit Determination in Case of Data Interruption Haibo Ge , Guanlong Meng and Bofeng LiAbstractWith the fast development of low earth orbit (LEO) enhanced global navigation satellite system (LeGNSS), there is huge demand in LEO real-time precise orbit determination. Realtime service from international GNSS service (IGS) provides th...
A real‑time detection method for GPS flex power Guanlong Meng · Haibo Ge · Bofeng LiAbstract GPS satellites of Block IIR-M and the subsequent Blocks have the capability to redistribute the transmit power of the individual signal components, which is called flex power. This technology is used to prevent enemy jamming by increasing the power of the designed signal. It is of great importance t...
ROTI‑based statistical regression models for GNSS precise point positioning errors associated with ionospheric plasma irregularities Haoyang Jia · Zhe Yang · Bofeng LiAbstract Global Navigation Satellite System (GNSS) signals are susceptible to ionospheric plasma irregularities and associated scintillations, causing large deviations in the positioning solutions. This study aims to develop...
LEO enhanced GNSS (LeGNSS) precise point positioning with emphasis on model comparison Haibo Ge, Guanlong Meng, Bofeng LiAbstract With the rapid construction of the low-earth-orbit (LEO) constellation, LEO Enhanced Global Navigation Satellite System (LeGNSS) has become a hotspot in the research of GNSS applications and services, especially for fast convergence of precise point positioning ...
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