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A Geometry-Based Stochastic Channel Model for the Millimeter-Wave Band in a 3GPP High-Speed Train Scenario
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- Authors
- Jingya Yang, Bo Ai, Ke Guan, Danping He, Xue Lin, Bing Hui, Junhyeong Kim, Andrej Hrovat
- Issue Date
- 2018-05
- Citation
- IEEE Transactions on Vehicular Technology, v.67, no.5, pp.3853-3865
- ISSN
- 0018-9545
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- This paper presents a geometry-based stochastic channel model (GSCM) for a 3GPP millimeter-wave (mmWave) high-speed train (HST) scenario. An important demand of the mmWave HST channel model is the spatial consistency during movement. In order to meet this requirement, the environment pattern containing the most effective geometry information is proposed, which is useful for generating an integral and accurate channel geometry. Since the measurement of a mmWave channel is deficient for high mobility, the proposed channel model is developed using a ray-tracing (RT) simulator that is validated with the channel measurements performed in the HST scenario at 93.2 GHz. The paper gives a full parameterization for the proposed model and its implementation for channel simulation. The verification is made through a comparison of the proposed model and the measurement-validated RT simulations in terms of the power delay profile, the Ricean K-factor, and the second-order statistics for the delay and angle domains. Finally, for the design of mmWave HST communication systems, the time-varying channel characteristics are evaluated in the delay and Doppler domains.
- KSP Keywords
- Channel Characteristics, Channel Simulation, Channel geometry, Channel measurement, Communication system, Geometry information, Millimeter-wave band, MmWave channel, Power delay(PD), Power delay profile(PDP), Proposed model