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An Updating Discrete Graph-Based Capacity Analytical Framework for Satellite Disruption-Tolerant Networks

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 463)

Abstract

In the satellite Disruption-Tolerant Networks (DTN), capacity of multi-path delivery is quite susceptible to a quasi-deterministic topology with limited resource in nodes. Currently, the space-time graph and event-driven graph, proposed for capturing the dynamics of DTN-inbuilt satellite networks, will incur excess demands of computation and storage with dispensable quantization errors. In this paper, we construct an updating discrete graph (UDG) based algorithmic model to make quantitative analysis on the capacity of a DTN-inbuilt Multiple Satellites and Multiple Ground Stations (MSMGS) networks. In particular, a network capacity analytical framework is established by solving a corresponding maximum flow problem with delivery delay and transmission constraints. The numerical results show that, compared with space-time graph and event-driven graph methods, the proposed method presents obvious improvements with respect to expected network capacity with limited complexity.

Keywords

Satellite DTN Updating discrete graph Network capacity 

Notes

Acknowledgements

The authors would like to express their high appreciations to the supports from the National Natural Science Foundation of China (61571156), National Science and Technology Major Project (91538110), and Natural Science Foundation of Guangdong Province (2016A030313661).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.College of Electronic and Communication EngineeringHarbin Institute of Technology Shenzhen Graduate SchoolShenzhenChina

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