Results 41 to 50 of about 7,830 (211)

Analysis of the Effect of Different Combinations of Observation Satellites on the Resolving Accuracy of GNSS Observation Data [PDF]

E3S Web of Conferences, 2020
In this paper, 24 C-level control points under different terrain conditions were selected to be the testing points. The binary-satellite system (GPS+GLONASS) and the triple-satellite system with BeiDou Navigation Satellite System (BDS) (BDS+GPS+GLONASS ...
Wang Junze, Yao Maohua, Zhou Wenting, Chen Xiangping   +3 more
doaj   +1 more source

THE PERFORMANCE ANALYSIS OF BDS POSITIONING IN NORDIC AREAS BASED ON THE SMARTPHONE [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Nowadays, the Global Navigation Satellite System (GNSS) is widely used in many applications. As a new system, China's BeiDou navigation system (BDS) is emerging in recent years.
C. Chen, Y. Chen, C. Jiang, Y. Bo, J. Jia, H. Sun, Z. He   +6 more
doaj   +1 more source

Estimation of BDS pseudorange biases with high temporal resolution: feasibility, affecting factors, and necessity

Satellite Navigation, 2023
A common practice adopted for the pseudorange bias estimation and calibration assumes that Global Navigation Satellite System satellite-dependent pseudorange biases vary gently over time. Whereupon satellite pseudorange biases are routinely estimated and
Ke Su, Guoqiang Jiao
doaj   +1 more source

A Station-Specific Ionospheric Modeling Method for the Estimation and Analysis of BeiDou-3 Differential Code Bias Parameters

Navigation, 2022
A modified generalized trigonometric series (GTS) function is presented for the joint estimation of local ionospheric activities and differential code biases (DCBs) of the third-generation BeiDou navigation satellite system (BeiDou-3).
Ningbo Wang, Zishen Li, Andrzej Krankowski, Xingliang Huo   +3 more
doaj   +1 more source

Optimized Design and Analysis of Offshore Beidou Maritime Foundation Reinforcement System Pseudolite Ranging-Codes

Polish Maritime Research, 2017
Under the bad sea conditions and weak Beidou navigation signal environment, it is difficult to locate the ship on the sea, and the Beidou navigation system can’t work well.
Su Deliang, Zhou Anan, Zhou Zilin, Chen Wei   +3 more
doaj   +1 more source

Assumption of application research of field communication system for seismic emergency based on BeiDou Navigation Satellite System

地震科学进展, 2020
After a destructive earthquake occurs, the traditional ground communication network will be severely damaged or even paralyzed, and cannot guarantee the emergency needs of data transmission, emergency communications, command dispatch between the front ...
Xiaoping Ma, Wenkai Chen, Shaolin He, Antai Gao, Rui Zhu, Anguo Liu   +5 more
doaj   +1 more source

A novel ambiguity resolution model of BeiDou navigation satellite system/inertial navigation system tightly coupled for kinematic-to-kinematic precise relative positioning

International Journal of Distributed Sensor Networks, 2022
The carrier-based kinematic-to-kinematic relative positioning can obtain the precise baseline between two moving stations, which greatly expands the application field of dynamic relative positioning.
Ling Wu, Yongrong Sun, Xiyu Fu, Qinghua Zeng   +3 more
doaj   +1 more source

Tracing Three Decades of Low Earth Orbit Satellite Communication Development: A Bibliometric and Main Path Analysis of Network Architectures, Protocol Evolution, and Emerging Intelligent Services

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT Low Earth Orbit (LEO) satellite communication systems have evolved into a critical component of global broadband networks, enabling wide‐area connectivity, IoT services, and intelligent multilayer satellite–terrestrial integration. Despite rapid advancements in constellation deployment, routing mechanisms, resource management, and LEO–5G/6G ...
Wei‐Hao Su, Ya‐Chen Chuang, Long‐Sheng Chen   +2 more
wiley   +1 more source

Research on BeiDou anti-spoofing technology based on comprehensive radio determination satellite service

Satellite Navigation, 2020
The BeiDou system (BDS) plays a significant role in people’s lives, but its security is easily affected by spoofing attacks. The radio determination satellite service (RDSS) is a special service of BDS that provides two-way communication, positioning ...
Fei Wang, Caibo Hu, Shuang Wu, Yixue Tao, Yunxiang Xu   +4 more
doaj   +1 more source

A Comparative Study for Performance Analysis of Kinematic Multi-Constellation GNSS PPP in Dynamic Environment

Journal of Marine Science and Engineering, 2020
This case study aims to investigate the effect of different Multi-GNSS EXperiment (MGEX) precise products provided by International GNSS Service (IGS) Analysis Centers (ACs) on post-processing kinematic Precise Point Positioning (PPP) accuracy ...
Serdar Erol
doaj   +1 more source