Invited Talk : Research and Development on Satellite Positioning and Navigation in China (衛星通信)

概要

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With the development of Global Navigation Satellite System (GNSS), the research communities are growing rapidly in China, and numerous achievements have been made in all the bearings of navigation field. In this report, the research and development on GNSS in China will be introduced. Satellite navigation project is the national strategy of China, its history and present situation would be described in detail firstly. Aiming at modernization of GNSS, the design of B1C signal is investigated, of which the civil code is used as interoperation while not completed yet, and can be compared with the signals of GPS L1C and Galileo E1OS. Meanwhile, compatibility is becoming an important issue since modernization and it will be assessed for BeiDou system. Then applications in production and life service are shown, as navigation system has been used widely in marine fishery and disaster relief, and played important roles in different fields. In addition, receiver technologies for challenging environments are introduced, weak signal and interference conditions for instance, as well as the recent research advance such as A-GNSS, seamless navigation for indoor and outdoor, and collaborative navigation for network GNSS users. Finally, some concluding remarks are offered.
2011-12-05