Industrial Networks and Intelligent Systems. 3rd International Conference, INISCOM 2017, Ho Chi Minh City, Vietnam, September 4, 2017, Proceedings

Research Article

ICI Mitigation by Estimation of Double Carrier Frequency Offsets in High-Speed-Railway Communication Systems for Smart Cities

  • @INPROCEEDINGS{10.1007/978-3-319-74176-5_7,
        author={Yem Vu and Thi Trinh and Nhat Vu and Canh Nguyen and Duy Nguyen},
        title={ICI Mitigation by Estimation of Double Carrier Frequency Offsets in High-Speed-Railway Communication Systems for Smart Cities},
        proceedings={Industrial Networks and Intelligent Systems. 3rd International Conference, INISCOM 2017, Ho Chi Minh City, Vietnam, September 4, 2017, Proceedings},
        proceedings_a={INISCOM},
        year={2018},
        month={1},
        keywords={Doppler effect CFO OFDM HSR ICI Smart cities},
        doi={10.1007/978-3-319-74176-5_7}
    }
    
  • Yem Vu
    Thi Trinh
    Nhat Vu
    Canh Nguyen
    Duy Nguyen
    Year: 2018
    ICI Mitigation by Estimation of Double Carrier Frequency Offsets in High-Speed-Railway Communication Systems for Smart Cities
    INISCOM
    Springer
    DOI: 10.1007/978-3-319-74176-5_7
Yem Vu1,*, Thi Trinh,*, Nhat Vu1, Canh Nguyen2, Duy Nguyen2
  • 1: Hanoi University of Science and Technology
  • 2: University of Transport and Communications
*Contact email: yem.vuvan@hust.edu.com, trinhhuong@utc.edu.com

Abstract

OFDM is substantial against Inter-symbol-interference due to long symbol duration. However, inter-carrier interference (ICI) caused by high Doppler frequency shift has a severe impact on OFDM in case of high channel variations. In this paper, we propose an ICI mitigation method by utilizing the estimation and pre-compensation of high Doppler shifts in high-speed railway communication systems for smart cities. The estimate of the Doppler shift is based on a preamble frame of data in communication link between EnodeB and user equipment. The simulation results show that the performance of system has been improved using the proposed model.