Results 11 to 20 of about 47,243 (312)

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
doaj   +1 more source

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
doaj   +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

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
doaj   +1 more source

Sidelobes Suppression for Time Domain Anti-Jamming of Satellite Navigation Receivers

Remote Sensing, 2022
The global satellite navigation system represented by global position systems (GPS) has been widely used in civil and military fields, and has become an important cornerstone of space-time information services.
Wenxiang Liu, Zukun Lu, Zhiying Wang, Xianghao Li, Zongnan Li, Wei Xiao, Xiaozhou Ye, Zhi Wang, Jie Song, Jia Qiao, Baiyu Li   +10 more
semanticscholar   +1 more source

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
doaj   +1 more source

UnmannedSim : urban and multi-agent navigation network-enabled drones simulator for path planning and localization research [PDF]

, 2022
34th International Technical Meeting of the Satellite Division of the Institute of Navigation (ION GNSS+ 2021), September 20-24, 2021, St.
Shiu, WCL, Su, M, Hsu, LT, Ahad, S, Huang, XY, Lee, MJL, Sajid, DMZ   +6 more
core   +1 more source

Satellite Constellation Design for a Lunar Navigation and Communication System

NAVIGATION: Journal of the Institute of Navigation, 2023
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Sriramya Bhamidipati, T. Mina, A. Sanchez, G. Gao   +3 more
semanticscholar   +1 more source

Satellite Navigation for the Age of Autonomy [PDF]

2020 IEEE/ION Position, Location and Navigation Symposium (PLANS), 2020
A bstract-Global Navigation Satellite Systems (GNSS) brought navigation to the masses. Coupled with smartphones, the blue dot in the palm of our hands has forever changed the way we interact with the world. Looking forward, cyber-physical systems such as
T. Reid, B. Chan, A. Goel, Kazuma Gunning, B. Manning, Jerami Martin, Andrew M. Neish, A. Perkins, Paul M. Tarantino   +8 more
semanticscholar   +1 more source

The Potential of LEO Satellite-Based Opportunistic Navigation for High Dynamic Applications

Italian National Conference on Sensors, 2022
Resilient navigation in Global Navigation Satellite System (GNSS)-degraded and -denied environments is becoming more and more required for many applications. It can typically be based on multi-sensor data fusion that relies on alternative technologies to
N. Jardak, Quentin Jault
semanticscholar   +1 more source