Prof. Lin Gui Profile

Prof. Lin Gui

at Shanghai Jiao Tong Univ.

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Publications (2)

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Proceedings Article | 4 December 2020 Paper

Research on intelligent network control mechanism and protocol verification of spatial information network

Hao Li, Xiupu Lang, Lin Gui

Proceedings Volume 11617, 116172Y (2020) https://doi.org/10.1117/12.2585403

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With the increase of the number of satellite systems and the diversity of satellite loads, the satellite networks present obvious heterogeneity. The centralized management and control characteristics of SDN provide ideas for the unified management of satellite heterogeneous network resources, and the programmable control plane also provides the possibility of dynamic reconfiguration of satellite networks. It is necessary to explore a centralized network architecture based on SDN, so as to manage and control the satellites better. Moreover, an emulation platform has been designed with respect to verifying the feasibility of our network paradigm. Firstly, this paper analyzes the development status of satellite network management and control and the exploration of SDN in terms of satellite network management and control. Secondly, this paper points out some challenges in the application of SDN in satellite network management and control. Thirdly, this paper also proposes a SDN-based satellite network management and control architecture, and proposes a hardware emulation platform based on OpenFlow switches. Finally, this paper adopts a programming method to simulate the satellite network scenario, completes the load migration of burst traffic when the link utilization rate exceeds 80%, and proves the feasibility of using SDN to control the satellite network.

Proceedings Article | 4 December 2020 Paper

A comprehensive framework for cross domain mission planning with multiple satellite resources

Liu Chang, Haopeng Chen, Lin Gui

Proceedings Volume 11617, 116171U (2020) https://doi.org/10.1117/12.2585236

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In order to improve the coverage performance and rapid response capability of the satellite, make full use of satellite service resources under the cross domain and multi-systems, aimed at satellite resource scheduling problem based on user's demands, we put forward a comprehensive framework of task and satellite resource model, to realize the efficient execution of multi-tasks and maintenance of satellite-ground resources among different systems. The main contents are the introduction of the overall architecture of the system, including satellite demand-mission mapping model and the research of clustering and merging method. Driven by demands, in order to make full use of satellite resources, we conduct unified scheduling and management of different kinds of space resources and ground resources. Combine satellite and ground resources using automatic path planning to realize rapid resource allocation; Maintain the usage of resources, implement prediction and rescheduling, to make sure the successful execution and completion of tasks to the greatest extent; Research on Modeling of a scalable service platform, realize the controllability of resources by maintaining the virtual resource service pool of satellite-ground integration, which provides convenience for mission planning and resource scheduling. Finally, a case study is used to demonstrate the rationality of the multi-domain satellite mission planning system framework, which provides reference for the research of satellite resource scheduling mission planning system.

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