Results 1 to 10 of about 25,407 (296)

Clock-offset computation method of space network aided by satellite clock prediction [PDF]

SHS Web of Conferences, 2023
A novel network clock-offset resolution method for space network is proposed in the paper. In the process of clock-offset resolution based on the network inter-node measurement data, the prediction of satellite clock result is used as the priori ...
Bao Yachuan, Yang Menghuan, Li Jianjia
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New Orbit Determination Method for GEO Satellites Based on BeiDou Short-Message Communication Ranging

Remote Sensing, 2022
The radio determination service system (RDSS), a navigation and positioning system independently developed by China, features services such as short-message communication, position reporting, and international search and rescue.
Xiaojie Li, Rui Guo, Jianbing Chen, Shuai Liu, Zhiqiao Chang, Jie Xin, Jinglei Guo, Yijun Tian   +7 more
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Long-term Performance Evaluation for Ionospheric Delay Correction of BeiDou Navigation Satellite System [PDF]

E3S Web of Conferences, 2019
Ionospheric delay is one of the main errors in the satellite navigation and positioning system. At present, ionospheric delay correction model and grid ionospheric information are provided to correct the error in BeiDou Navigation Satellite System (BDS).
Liu Chen, Jiang Yi, Chen Ye, Xu Ao, Li Junpeng, Wang Wei   +5 more
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Preliminary Analysis and Evaluation of BDS-3 RDSS Timing Performance

Remote Sensing, 2022
Radio determination satellite service (RDSS) is one of the characteristic services of Beidou navigation satellite system (BDS), and also distinguishes with other GNSS systems.
Rui Guo, Dongxia Wang, Nan Xing, Zhijun Liu, Tianqiao Zhang, Hui Ren, Shuai Liu   +6 more
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Performance analysis of the BDSBAS-B1C message in trial operation stage

Scientific Reports, 2023
BeiDou Satellite-based Augmentation System (BDSBAS) has come into the trial operation stage since July, 2020. To evaluate the characteristic of the augmentation message in BDSBAS-B1C signal, the effectiveness of the message content was firstly analyzed ...
Jie Xin, Rui Guo, Jinping Chen, Yijun Tian, Yueling Cao, Yuchen Liu, Xiaojie Li, Dongxia Wang, Hongliang Cai   +8 more
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The space–time references of BeiDou Navigation Satellite System

Satellite Navigation, 2021
The BeiDou Navigation Satellite System (BDS) is essentially a precise time measurement and time synchronization system for a large-scale space near the Earth.
Chunhao Han, Li Liu, Zhiwu Cai, Yuting Lin   +3 more
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In-flight performance analysis of the navigation augmentation payload on LEO communication satellite: a preliminary study on WT01 mission

Geo-spatial Information Science, 2022
With the development of the Low Earth Orbit (LEO) communication constellations, it has become a hot area of research to provide additional navigation augmentation services.
Ziqian Wu, Baoguo Yu, Chuanzhen Sheng, Jingkui Zhang, Song Xie, Cailun Wu   +5 more
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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
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Research on None-Line-of-Sight/Line-of-Sight Identification Method Based on Convolutional Neural Network-Channel Attention Module

Sensors, 2023
None-Line-of-Sight (NLOS) propagation of Ultra-Wideband (UWB) signals leads to a decrease in the reliability of positioning accuracy. Therefore, it is essential to identify the channel environment prior to localization to preserve the high-accuracy Line ...
Jingjing Zhang, Qingwu Yi, Lu Huang, Zihan Yang, Jianqiang Cheng, Heng Zhang   +5 more
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BOC Signal Acquisition Algorithm Based on Similar Enfoldment

International Journal of Aerospace Engineering, 2020
A BOC signal has been widely used in the Global Navigation Satellite System (GNSS). Although the BOC signal has many advantages, the autocorrelation function (ACF) of the BOC signal has lots of peaks, which makes signal acquisition difficult.
Qi Han, Kejia Zhu, Caibo Hu, He Zhao, Shuang Wu, Yu Fu   +5 more
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