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Feature Article: Role, path, and vision of “5G + BDS/GNSS”


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Communication, positioning, navigation, and decision-making abilities have evolved into Positioning, Navigation, And Timing (PNT) intelligence during the long process of human migration and hence promoted human evolution. The authors defined intelligence and smartness from the perspective of biological intelligence, and pointed out that 5G technology is also one of PNT intelligence enabled methods, as well as Global Navigation Satellite System (GNSS). The fusion of 5G and GNSS (including BeiDou Navigation Satellite System (BDS)) information with the corresponding equipment could be embedded into a machine to make it intelligent, which would extend the definition of artificial intelligence. Furthermore, the “5G+BDS/GNSS” fusion path was analyzed explicitly herein in terms of realization methods, information processing, and new application services. On the whole, an independent BDS coupled with 5G was expected to become the most important new infrastructure in the era of intelligence. As a result, widely or even globally distributed physical devices can possess integrated functions of computing, communication, remote cooperation, precision control and autonomy on the basis of perception, which would help promote unprecedented change in production and lifestyle, as well as the innovation of business models.
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Feature Article: Status, perspectives and trends of satellite navigation

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Despite the global COVID-19 pandemic, 2020 is for satellite navigation a year of celebration: Four global navigation satellite systems (GNSS) are ready (for Galileo only the last launch is missing), two regional satellite navigation systems (RNSS), about Y satellite based augmentation systems (SBAS), and more are in development.
It is therefore reasonable to review where we are now and where are we going. This paper reviews the status of satellite navigation – without claim for completeness – and discusses perspectives and trends.
But there is not only light, we encounter also problems, for example for compatibility of frequencies - the L band is fully occupied, for interoperability with many signals on one and the same frequency which are increasing the internal noise floor, with a changing world and increasing interferences, jamming, spoofing and space cybercrime, etc. 
However, on the other side new opportunities are coming: Advanced Receiver Autonomous Integrity Monitoring (RAIM) may reach CAT I requirements, 5G networks are established and complement satellite navigation, New Space with its nanosatellites (cubesats) enables new cost-effective regional applications, digitalization will be applied in the nav payloads, artificial intelligence in satellite traffic management and quantum communications for secure satellite links. 
The biggest challenge in satellite navigation over the next years is, however, to achieve GNSS safety and security.  
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Editors' Note

Following the rapid economic growth in China over the last 30 years, there is now a strong desire to promote the development and propagation of science and technology for the long-term future. Recognizing the importance of academic journals in disseminating research results and inspiring new research ideas as well as strengthening communication, AIRCAS will sponsor Satellite Navigation as an international platform, providing researchers and engineers in navigation, positioning and timing with a unique opportunity to closely interact and communicate. This journal will not only provide a venue for in-depth scientific exchanges, but also seek to promote research collaborations and exploit international funding sources, especially those involving China. See full text. 

Open Thematic Series

GNSS Ionospheric Monitoring and Modelling

BDS/GNSS high-precision products: strategies, services, and applications

Indoor Navigation

Navigation Technologies for Autonomous Systems

BDS/GNSS: New Development, Progress and Applications

Satellite Navigation aims to report innovative ideas, new results or progress on the theoretical techniques and applications of satellite navigation. The journal welcomes original articles, reviews and commentaries. The topics include but are not limited to:

  • Navigation System and Signals
    Satellite navigation constellation
    Autonomous satellite navigation theory and system
    Precise orbit determination and time synchronization
  • Signal processing
    Receiver and signal processing
    Anti-jamming and anti-spoofing
  • Integrated PNT
    Multi-sensor integrated navigation
    GNSS Augmentation technology
    Micro PNT technology
    Resilient PNT theory
  • Time and Coordinate Reference System
    Establishment and maintenance of time-space reference system
    Time synchronization methods
    High precision clock technology
  • Industrial and Scientific Applications
    Intelligent applications
    Geodesy applications
    Geoscience applications

Articles on advances of other related areas, such as various augmentations, intelligent vehicle systems, indoor positioning, sensor networks and location services are welcome as well.   

Recent News

Editor-in-Chief: Yuanxi Yang

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Yuanxi Yang serves as Academician of the Chinese Academy of Sciences for his lifelong contributions to navigation, geodetic science and engineering. Currently, he is Professor of Geodesy and Navigation at Xi’an Research Institute of Surveying and Mapping and serves at China National Administration of GNSS and Application (CNAGA). He is also Head of State Key Laboratory Of Geo-information Engineering, adjunct professor and PhD Tutor in Beihang University.
He acted as deputy chief designer of China’s BeiDou Navigation Satellite System (BDS), and has been a leading member of BDS advisory board since its inception in 2010. He originally developed the Robust Parameter Estimation for Geodetic Correlated Observations and adaptive navigation and kinematic positioning. He is credited with improving the design of the interlink between BeiDou satellites, the establishment of the Chinese Geodetic Coordinate System, the creation of the Chinese National GPS Control Network, and is a prominent proponent of interoperability between BeiDou and other GNSSs.
" The continuous development of global and regional satellite navigation systems provides an important basis for the integrated applications of multi-satellite navigation. The Journal aims to disseminate the latest achievements of satellite navigation, discuss different academic views and promote the progress of technology and applications. I hope Satellite Navigation will build an academic exchange platform for all researchers." Said Prof. Yuanxi Yang. 

Executive Editor-in-Chief: Shuanggen Jin

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Shuanggen Jin is Professor at Shanghai Astronomical Observatory, CAS and Dean of School of Remote Sensing and Geomatics Engineering of Nanjing University of Information Science and Technology, China. His main research areas include Satellite Navigation, Space Geodesy, Remote Sensing, Climate Change and Space/Planetary Exploration. He has published over 400 papers in JGR, IEEE, EPSL, GJI, JG etc. with more than 4500 citations and H-index of over 40, 8 books/monographs and 10 patents/software copyrights.
Prof. Jin joined Hundred-Talent Program of Chinese Academy of Sciences in 2010 and was also the Fellow of the IAG (2011), IUGG (2019), President of the CPGPS (2016-2017), IAPS (2015-2019), Member of Russian Academy of Natural Sciences (2017) and Member of European Academy of Sciences (2018).

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