ZHAO Hua, LYU Qing, LIU Yachuan, et al., “Wireless Channel Measurements and Modeling of LTE Broadband System for High-Speed Railway Scenarios,” Chinese Journal of Electronics, vol. 27, no. 5, pp. 1092-1097, 2018, doi: 10.1049/cje.2018.07.001
Citation: ZHAO Hua, LYU Qing, LIU Yachuan, et al., “Wireless Channel Measurements and Modeling of LTE Broadband System for High-Speed Railway Scenarios,” Chinese Journal of Electronics, vol. 27, no. 5, pp. 1092-1097, 2018, doi: 10.1049/cje.2018.07.001

Wireless Channel Measurements and Modeling of LTE Broadband System for High-Speed Railway Scenarios

doi: 10.1049/cje.2018.07.001
Funds:  This work is supported by the National Natural Science Foundation of China (No.61501168, No.61771181, No.61701165), Technology Foundation for Selected Overseas Chinese Scholar of Hebei Province (No.C2015005016), Hebei Province Education Office Foundation (No.QN2015030, No.QN2016100), and Hebei Normal University Youth Foundation (No.L2015Q09, No.L2015Q12).
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  • Corresponding author: LYU Qing (corresponding author) received her Ph.D. degrees from the LILLE 1 University - Science and Technology, France. She is a lecturer of Hebei Normal University, China. Currently, she is involved in research dealing with microwave characterization of materials and optical communication technology. (Email:lvqing1017@163.com)
  • Received Date: 2017-01-24
  • Rev Recd Date: 2017-10-10
  • Publish Date: 2018-09-10
  • In high-speed scenarios, channel model is of vital importance in Long term evolution (LTE) systems. By extensive measurements on Beijing-Tianjin railway, this paper proposes a distance-dependent channel model. Both large-scale and small-scale channel characteristics are presented in detail. The large-scale path loss is modeled under the hierarchical network structure. Small-scale channel characteristics that include channel impulse response, power delay profile and Doppler spectrum are deduced and analyzed. In particular, a new stage-wise K-factor model is proposed. Combined with the cumulative distribution function of Root-mean squared (RMS) delay spread and the number of paths, they clearly illustrate the distancedependent variances of the channel. Finally, the integrated distance-dependent channel models are proposed to give a comprehensive description of broadband LTE channel in high-speed railway scenario.
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