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BDS-3 SAR service and initial performance [PDF]

GPS Solutions, 2021
Search and rescue (SAR) service is one of the major services provided by BDS-3 system. Six BDS-3 MEOSAR payloads are optimally distributed on three orbits and work normally. BDS-3 system uniquely adopts the architecture of Regional Up-Link Stations and crosslinks between satellites to provide return link service (RLS) for distressed people worldwide ...
Gang Li, Shuren Guo, Zehua He, Ya Gao, Wenxuan Li   +4 more
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Multi-Frequency BDS-3 Real-Time Positioning Performance Assessment Using New PPP-B2b Augmentation Service

IEEE Sensors Journal, 2023
A new precise point positioning (PPP)-B2b augmentation service broadcast by the BeiDou Navigation Satellite System (BDS-3) geosynchronous Earth orbit (GEO) satellite can provide real-time and high-precision orbit and clock offset corrections for global ...
Haitao Zhou, Wenju Fu, Lei Wang, Tao Li, Yuan Wu, Ruizhi Chen, Juanjuan Li   +6 more
semanticscholar   +1 more source

Tightly Coupled Integration of BDS-3 B2b RTK, IMU, Odometer, and Dual-Antenna Attitude

IEEE Internet of Things Journal, 2023
Real-time kinematic (RTK) based on single-frequency observation is still widely used in many fields due to the characteristics of low-cost and low-power consumption.
Qiaozhuang Xu, Zhouzheng Gao, Jie Lv, Cheng Yang   +3 more
semanticscholar   +1 more source

Time transfer with BDS-3 signals: CV, PPP and IPPP

Measurement science and technology, 2023
The third phase of BeiDou navigation satellite system (BDS-3) was officially commissioned on 31 July 2020. In this study, we make a comprehensive evaluation of BDS-3 time transfer with the B1I, B3I, B1C and B2a measurements.
Zhiling Ren, H. Gong, Daqian Lyu, Jing Peng, Yu Guo, G. Sun   +5 more
semanticscholar   +1 more source

Precise Real-Time Navigation of the LT-1A Satellite Based on New BDS-3 B1C/B2a Signals

IEEE Sensors Journal
Precise real-time navigation using the global navigation satellite system (GNSS) is a mainstream technique for low-Earth-orbiting (LEO) satellites, with increasing development opportunities due to the availability of multiple GNSS constellations and ...
Wanwei Zhang, Xuewen Gong, Fuhong Wang, Song Xie, Junli Chen, Ruwei Zhang, Junjian Wen, Bin Zhong   +7 more
semanticscholar   +1 more source

BDS-3 full-frequency precise point positioning: models and performance comparison

Physica Scripta
With the BDS-3 six-frequency integration, there are more choices to implement the precise point positioning (PPP) technology. To take full advantage of the multi-frequency combination, six typical BDS-3 six-frequency PPP models using uncombined ...
Cancan Wang, Lin Pan
semanticscholar   +1 more source

DFMC SBAS service performance analysis of multi-GNSS based on BDS-3 in different regions

Measurement science and technology
The dual-frequency multi-constellation satellite-based augmentation system (DFMC SBAS) plays a crucial role in many fields, such as civil aviation and other safety-critical applications.
Ziwei Wang, Le Wang, Wei Xie, Guanwen Huang, Weicong Yang, Yaozhao Tian   +5 more
semanticscholar   +1 more source

Multi-Sensor and Analytical Constraints Tightly Augmented BDS-3 RTK for Vehicle-Borne Positioning

IEEE transactions on intelligent transportation systems (Print), 2023
The third generation BeiDou Navigation Satellite System (BDS-3) can provide high-accuracy service for vehicle-borne positioning and navigation. The performance of BDS-3 in terms of accuracy, continuity, and reliability, however, are significantly ...
Qiaozhuang Xu, Zhouzheng Gao, Jie Lv, Cheng Yang, You Li   +4 more
semanticscholar   +1 more source

BDS-3/BDS-2 Combined Precise Clock Estimation and Time Transfer Using Ultrarapid Products

IEEE Transactions on Instrumentation and Measurement
To provide high-precision timing services of the BeiDou Navigation Satellite System (BDS), this work performs a detailed investigation of integrated BDS-3 and BDS-2 real-time precise point positioning (PPP) time transfer with the ultrarapid products ...
Yulong Ge, Xinyun Cao, Chenhui Jiang, Fei Shen   +3 more
semanticscholar   +1 more source

BDS-3 B2 Frequency Distortion Signal Generation

2024 9th International Conference on Electronic Technology and Information Science (ICETIS)
This paper focuses on the generation of distorted signals on the BDS-3 B2 frequency. Firstly, the 2OS model of traditional BPSK signals is introduced, and the 2OS anomaly model suitable for modern GNSS signals and its general form are given, providing a ...
Junli Zhang, Yongnan Rao
semanticscholar   +1 more source