Abstract
Based on the characteristics of big data, the meaning of fog computing, and the spatiotemporal data characteristics of satellite navigation systems, the concept, connotation, and characteristics of Beidou big data were put forward. The Beidou big data processing process was sorted out, the preliminary architecture of the Beidou big data system with fog computing function was built, and finally the fog computing based Beidou big data system was proposed. Big data research content provides technical support for further tapping the value of Beidou satellite navigation system data and realizing the incremental development of satellite navigation systems.
Highlights
Since the concept of “big data” was first put forward in the article “big data: Science in the petabyte era” in the special issue of nature in September 2008, big data has rapidly become a research hotspot in the global academic and industrial circles within a few years [1]
The broad sense of big data includes the above content, and the theory, method, and technology of processing big data, that is, it is more economical from high frequency and large new generation architecture, basic theory, and key technology designed to gain value from data of different structures and types with capacity
To reduce the time delay and solve the problems caused by big data, fog computing is introduced in this paper into the Beidou satellite navigation system
Summary
Since the concept of “big data” was first put forward in the article “big data: Science in the petabyte era” in the special issue of nature in September 2008, big data has rapidly become a research hotspot in the global academic and industrial circles within a few years [1]. All major aerospace countries in the world attach great importance to the construction, application, and development of satellite navigation systems. Under the background of big data, the design, construction, operation, management, and application of Beidou satellite navigation system will fundamentally change the thinking pattern of single subsystem design, construction, and management and promote the innovation of system engineering theory, equipment system design, operation management mode, and application way in the direction of adapting to the requirements of the integration of heaven and earth under the background of development of big data. To reduce the time delay and solve the problems caused by big data, fog computing is introduced in this paper into the Beidou satellite navigation system.
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