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Machine Learning and Intelligent Communications. Third International Conference, MLICOM 2018, Hangzhou, China, July 6-8, 2018, Proceedings

Research Article

Channel Estimation in Next Generation LEO Satellite Communicastion Systems

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  • @INPROCEEDINGS{10.1007/978-3-030-00557-3_25,
        author={Zheng Pan and Zhenyu Na and Xin Liu and Weidang Lu},
        title={Channel Estimation in Next Generation LEO Satellite Communicastion Systems},
        proceedings={Machine Learning and Intelligent Communications. Third International Conference, MLICOM 2018, Hangzhou, China, July 6-8, 2018, Proceedings},
        proceedings_a={MLICOM},
        year={2018},
        month={10},
        keywords={LEO Satellite communication GFDM Channel estimation Turbo coding Threshold control},
        doi={10.1007/978-3-030-00557-3_25}
    }
    
  • Zheng Pan
    Zhenyu Na
    Xin Liu
    Weidang Lu
    Year: 2018
    Channel Estimation in Next Generation LEO Satellite Communicastion Systems
    MLICOM
    Springer
    DOI: 10.1007/978-3-030-00557-3_25
Zheng Pan1, Zhenyu Na1,*, Xin Liu2, Weidang Lu3
  • 1: Dalian Maritime University
  • 2: Dalian University of Technology
  • 3: Zhejiang University of Technology
*Contact email: nazhenyu@dlmu.edu.cn

Abstract

Low earth orbit (LEO) satellite communication systems are the key parts of Space-Air-Ground networks. In order to deal with the scarcity of spectrum source, generalized frequency division multiplexing (GFDM) becomes a candidate for next generation LEO satellite systems. In LEO satellite communication systems, channel estimation is an indispensable technique to adapt to complex satellite channel environment. Because of the non-orthogonality between GFDM subcarriers, conventional channel estimation techniques can’t achieve the desired performance. We propose a Turbo receiver channel estimation method with threshold control to improve the channel estimation performance by utilizing the feedback information from Turbo decoder. The numerical and analytical results show that the proposed method can achieve better performance over LEO satellite channel.

Keywords
LEO Satellite communication GFDM Channel estimation Turbo coding Threshold control
Published
2018-10-12
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-00557-3_25
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