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Conference Paper
Millimeter-Wave Communications for Smart Rail Mobility: From Channel Modeling to Prototyping
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- Authors
- Ke Guan, Danping He, Bo Ai, Bile Peng, Andrej Hrovat, Junhyeong Kim, Zhangdui Zhong, Thomas Kurner
- Issue Date
- 2019-05
- Citation
- International Conference on Communications (ICC) 2019: Workshop, pp.1-6
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we present an integration solution from channel modeling to prototyping, to realize millimeter-wave (mmWave) communications for smart rail mobility. In order to involve the railway features in the channel models, two mmWave channel models are established based on ray-tracing simulations in realistic railway scenarios. Moreover, the challenges raised by mmWave directional network under high mobility is overcome by our solutions concerning handover scheme, random access procedure, and beamforming strategies. By integrating these key enabling technologies, we prototype the mobile hotspot network (MHN) system which realizes 1.25 Gbps downlink data throughput in a subway line with the train speed of 80 km/h.
- Keyword
- Channel modeling, MHN, millimeter wave, railway communications, ray-tracing
- KSP Keywords
- 25 Gbps, Channel modeling, Data throughput, Enabling technologies, Handover Scheme, High Mobility, Integration solution, Key Enabling Technologies(KETs), MmWave channel, Mobile Hotspot, Random Access Procedure