Analysis of BDS inter-satellite link ranging performance
May 15, 2024 · The Ka-band inter-satellite link (ISL) is a key technology of BeiDou Global Navigation Satellite System (BDS-3) that can improve the system performance. Based on 30 days of ISL observations, we analyze the BDS-3 ISL ranging performance and the related influencing factors, such as satellite manufacturer, satellite orbit type and link type.
Impacts of inter-satellite links on the ECOM model performance for BDS …
May 13, 2024 · In this study, we investigate the impact of ISL observations on precise orbit determination for BeiDou-3 Navigation Satellite System (BDS-3) Medium Earth Orbit (MEO) satellites based on different Extended CODE Orbit Models (ECOM).
Time synchronization between satellites via inter-satellite link ...
Jan 1, 2024 · Time synchronization through inter-satellite link (ISL) observations is crucial for enabling autonomous navigation in global navigation satellite systems. This study investigates the time synchronization performance within China's BeiDou Navigation Satellite System (BDS) using ISL measurements from 29 BDS-3 constellation satellites.
Time synchronization between satellites via inter-satellite link ...
Jan 1, 2024 · Time synchronization through inter-satellite link (ISL) observations is crucial for enabling autonomous navigation in global navigation satellite systems. This study investigates the time synchronization performance within China's BeiDou Navigation Satellite System (BDS) using ISL measurements from 29 BDS-3 constellation satellites.
Estimation and analysis of BDS-3 satellite yaw attitude using inter ...
Jul 17, 2022 · This study investigates BDS-3 satellite yaw attitudes using Ka-band inter-satellite link (ISL) observations with relatively large horizontal satellite antenna phase center offsets, which have the advantage in the satellite yaw attitude estimation and validation.
Orbit and clock analysis of BDS-3 satellites using inter-satellite link ...
These BDS-3 satellites feature the inter-satellite link (ISL) and new high-quality onboard clocks. In this study, we present the analysis of BDS-3 orbits and clocks determined by Ka-band ISL measurements from 18 MEO satellites and one GEO satellite.
Performance of dual one-way measurements and precise orbit ...
The continuous full operation of the constellation of BeiDou navigation satellite system (BDS) provides favorable conditions for the performance evaluation of the BDS inter-satellite links (ISLs).
BDS satellites are equipped with the inter-satellite link (ISL) equipment, which can observe other satellites and ground monitoring stations with Ka-band measurements.
On-board validation of BDS-3 autonomous navigation using inter ...
Jul 19, 2023 · All of the BDS-3 satellites are equipped with Ka-band inter-satellite link (ISL) payloads, which have the capability for inter-satellite measurement and communication. With the support of ISL, autonomous navigation for BDS-3 satellites can be achieved.
Orbit determination and time synchronization for BDS-3 …
Mar 2, 2020 · To enhance orbit determination (OD) and time synchronization (TS) under the condition of regional monitoring stations, the third-generation BeiDou Navigation Satellite System (BDS-3) employs inter-satellite link (ISL) technology which also enable autonomous navigation.