2020
9.
Ma, Lei; Guan, Ke; Yan, Dong; He, Danping; Ai, Bo; Kim, Junhyeong; Chung, Heesang
Characterization for High-Speed Railway Channel enabling Smart Rail Mobility at 22.6 GHz Proceedings Article
In: 2020 IEEE Wireless Communications and Networking Conference (WCNC), pp. 1-6, 2020, ISSN: 1558-2612.
Abstract | Links | BibTeX | Tags: 5G, High-speed railway, mmWave, radio propagation, ray-tracing, smart rail mobility
@inproceedings{Ma2020a,
title = {Characterization for High-Speed Railway Channel enabling Smart Rail Mobility at 22.6 GHz},
author = {Lei Ma and Ke Guan and Dong Yan and Danping He and Bo Ai and Junhyeong Kim and Heesang Chung},
doi = {10.1109/WCNC45663.2020.9120474},
issn = {1558-2612},
year = {2020},
date = {2020-05-01},
urldate = {2020-05-01},
booktitle = {2020 IEEE Wireless Communications and Networking Conference (WCNC)},
pages = {1-6},
abstract = {The millimeter wave (mmWave) communication with large bandwidth is a key enabler for both the fifth-generation mobile communication system (5G) and smart rail mobility. Thus, in order to provide realistic channel fundamental, the wireless channel at 22.6 GHz is characterized for a typical high-speed railway (HSR) environment in this paper. After importing the three-dimensional environment model of a typical HSR scenario into a self-developed high-performance cloud-computing Ray-Tracing platform \textendash CloudRT, extensive raytracing simulations are realized. Based on the results, the HSR channel characteristics are extracted and analyzed, considering the extra loss of various weather conditions. The results of this paper can help for the design and evaluation for the HSR communication systems enabling smart rail mobility.},
keywords = {5G, High-speed railway, mmWave, radio propagation, ray-tracing, smart rail mobility},
pubstate = {published},
tppubtype = {inproceedings}
}
The millimeter wave (mmWave) communication with large bandwidth is a key enabler for both the fifth-generation mobile communication system (5G) and smart rail mobility. Thus, in order to provide realistic channel fundamental, the wireless channel at 22.6 GHz is characterized for a typical high-speed railway (HSR) environment in this paper. After importing the three-dimensional environment model of a typical HSR scenario into a self-developed high-performance cloud-computing Ray-Tracing platform – CloudRT, extensive raytracing simulations are realized. Based on the results, the HSR channel characteristics are extracted and analyzed, considering the extra loss of various weather conditions. The results of this paper can help for the design and evaluation for the HSR communication systems enabling smart rail mobility.
8.
Wu, Lina; He, Danping; Guan, Ke; Ai, Bo; Kim, Junhyeong; Chung, Heesang
Millimeter-Wave Channel Characterization for Vehicle-to-Infrastructure Communication Proceedings Article
In: 2020 14th European Conference on Antennas and Propagation (EuCAP), pp. 1-5, 2020.
Abstract | Links | BibTeX | Tags: mmWave, radio propagation, ray-tracing, V2I communication
@inproceedings{Wu2020,
title = {Millimeter-Wave Channel Characterization for Vehicle-to-Infrastructure Communication},
author = {Lina Wu and Danping He and Ke Guan and Bo Ai and Junhyeong Kim and Heesang Chung},
doi = {10.23919/EuCAP48036.2020.9136022},
year = {2020},
date = {2020-03-01},
urldate = {2020-03-01},
booktitle = {2020 14th European Conference on Antennas and Propagation (EuCAP)},
pages = {1-5},
abstract = {The vehicle-to-infrastructure (V2I) communication can capture infrastructure data and provide travelers with real-time traffic information, which can significantly improve road safety. Millimeter-wave (mmWave) with large bandwidth has been introduced as a key technology to achieve ultra-reliable, low latency, and high-data-rate V2I communication. In this paper, the V2I communication in mmWave band (22.1GHz-23.lGHz) is characterized for typical urban and highway scenarios. By considering the different deployments involving overtaking and traffic flow, the simulations are conducted by employing the self-developed ray-tracing. The key channel parameters, including received power, Rician K-factor, root-mean-square delay spread and angular spreads, are analyzed and compared between different deployments. Moreover, the impacts of the multiple antennas and beam switching technologies at the vehicle are evaluated as well. This work aims to help the researchers understand the channel characteristics of the V2I communication in mmWave band and support communication system design for vehicular communications.},
keywords = {mmWave, radio propagation, ray-tracing, V2I communication},
pubstate = {published},
tppubtype = {inproceedings}
}
The vehicle-to-infrastructure (V2I) communication can capture infrastructure data and provide travelers with real-time traffic information, which can significantly improve road safety. Millimeter-wave (mmWave) with large bandwidth has been introduced as a key technology to achieve ultra-reliable, low latency, and high-data-rate V2I communication. In this paper, the V2I communication in mmWave band (22.1GHz-23.lGHz) is characterized for typical urban and highway scenarios. By considering the different deployments involving overtaking and traffic flow, the simulations are conducted by employing the self-developed ray-tracing. The key channel parameters, including received power, Rician K-factor, root-mean-square delay spread and angular spreads, are analyzed and compared between different deployments. Moreover, the impacts of the multiple antennas and beam switching technologies at the vehicle are evaluated as well. This work aims to help the researchers understand the channel characteristics of the V2I communication in mmWave band and support communication system design for vehicular communications.
7.
Yan, Dong; Guan, Ke; He, Danping; Ai, Bo; Li, Zan; Kim, Junhyeong; Chung, Heesang; Zhong, Zhangdui
Channel Characterization for Vehicle-to-Infrastructure Communications in Millimeter-Wave Band Journal Article
In: IEEE Access, vol. 8, pp. 42325-42341, 2020, ISSN: 2169-3536.
Abstract | Links | BibTeX | Tags: 5G, mmWave, radio propagation, ray-tracing, vehicle-to-infrastructure link
@article{Yan2020,
title = {Channel Characterization for Vehicle-to-Infrastructure Communications in Millimeter-Wave Band},
author = {Dong Yan and Ke Guan and Danping He and Bo Ai and Zan Li and Junhyeong Kim and Heesang Chung and Zhangdui Zhong},
doi = {10.1109/ACCESS.2020.2977208},
issn = {2169-3536},
year = {2020},
date = {2020-01-01},
urldate = {2020-01-01},
journal = {IEEE Access},
volume = {8},
pages = {42325-42341},
abstract = {In recent years, the intelligent transport system (ITS) has been developed rapidly because of global urbanization and industrialization, which is considered as the key enabling technology to improve road safety, traffic efficiency, and driving experience. To achieve these goals, vehicles need to be equipped with a large number of sensors to enable the generation and exchange of high-rate data streams. Recently, millimeter-wave (mmWave) technology has been introduced as a means of meeting such a high data rate requirement. In this paper, a comprehensive study on the channel characteristics for vehicle-to-infrastructure (V2I) link in mmWave band (22.1-23.1 GHz) for various road environments and deployment configurations is conducted. The self-developed ray-tracing (RT) simulator is employed with the calibrated electromagnetic (EM) parameters. The three-dimensional (3D) environment models are reconstructed from the OpenStreetMap (OSM). In the simulations, not only the vehicle user equipment (UE) moves, but also the other vehicles such as cars, delivery vans, and buses move around the vehicle UE. Moreover, the impacts of the receiver (Rx) multiple antennas and beam switching technologies at the vehicle UE are evaluated as well. The channel parameters of the V2I link in mmWave band, including received power, Rician $K$ -factor, root-mean-square delay spread, and angular spreads are explored in the target scenarios under different simulation deployments. This work aims to help the researchers understand the channel characteristics of the V2I links in mmWave band and support the link-level and system-level design for future vehicular communications.},
keywords = {5G, mmWave, radio propagation, ray-tracing, vehicle-to-infrastructure link},
pubstate = {published},
tppubtype = {article}
}
In recent years, the intelligent transport system (ITS) has been developed rapidly because of global urbanization and industrialization, which is considered as the key enabling technology to improve road safety, traffic efficiency, and driving experience. To achieve these goals, vehicles need to be equipped with a large number of sensors to enable the generation and exchange of high-rate data streams. Recently, millimeter-wave (mmWave) technology has been introduced as a means of meeting such a high data rate requirement. In this paper, a comprehensive study on the channel characteristics for vehicle-to-infrastructure (V2I) link in mmWave band (22.1-23.1 GHz) for various road environments and deployment configurations is conducted. The self-developed ray-tracing (RT) simulator is employed with the calibrated electromagnetic (EM) parameters. The three-dimensional (3D) environment models are reconstructed from the OpenStreetMap (OSM). In the simulations, not only the vehicle user equipment (UE) moves, but also the other vehicles such as cars, delivery vans, and buses move around the vehicle UE. Moreover, the impacts of the receiver (Rx) multiple antennas and beam switching technologies at the vehicle UE are evaluated as well. The channel parameters of the V2I link in mmWave band, including received power, Rician $K$ -factor, root-mean-square delay spread, and angular spreads are explored in the target scenarios under different simulation deployments. This work aims to help the researchers understand the channel characteristics of the V2I links in mmWave band and support the link-level and system-level design for future vehicular communications.
6.
Ma, Lei; Guan, Ke; Yan, Dong; He, Danping; Leonor, Nuno R; Ai, Bo; Kim, Junhyeong
Satellite-Terrestrial Channel Characterization in High-Speed Railway Environment at 22.6 GHz Journal Article
In: Radio Science, vol. 55, no. 3, 2020.
Abstract | Links | BibTeX | Tags: 5G, mmWave, radio propagation, Railway communication, ray-tracing, satellite, Satellite-terrestrial communication
@article{Ma2020,
title = {Satellite-Terrestrial Channel Characterization in High-Speed Railway Environment at 22.6 GHz},
author = {Lei Ma and Ke Guan and Dong Yan and Danping He and Nuno R Leonor and Bo Ai and Junhyeong Kim},
url = {https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019RS006995},
doi = {10.1029/2019RS006995},
year = {2020},
date = {2020-01-01},
urldate = {2020-01-01},
journal = {Radio Science},
volume = {55},
number = {3},
abstract = {Abstract The integration of satellite and terrestrial communication systems plays a vital role in the fifth-generation mobile communication system (5G) for the ubiquitous coverage, reliable service, and flexible networking. Moreover, the millimeter wave (mmWave) communication with large bandwidth is a key enabler for 5G intelligent rail transportation. In this paper, the satellite-terrestrial channel at 22.6 GHz is characterized for a typical high-speed railway (HSR) environment. The three-dimensional model of the railway scenario is reconstructed and imported into the Cloud Ray-Tracing (CloudRT) simulation platform. Based on extensive ray-tracing simulations, the channel for the terrestrial HSR system and the satellite-terrestrial system with two weather conditions are characterized, and the interference between them are evaluated. The results of this paper can help for the design and evaluation for the satellite-terrestrial communication system enabling future intelligent rail transportation.},
keywords = {5G, mmWave, radio propagation, Railway communication, ray-tracing, satellite, Satellite-terrestrial communication},
pubstate = {published},
tppubtype = {article}
}
Abstract The integration of satellite and terrestrial communication systems plays a vital role in the fifth-generation mobile communication system (5G) for the ubiquitous coverage, reliable service, and flexible networking. Moreover, the millimeter wave (mmWave) communication with large bandwidth is a key enabler for 5G intelligent rail transportation. In this paper, the satellite-terrestrial channel at 22.6 GHz is characterized for a typical high-speed railway (HSR) environment. The three-dimensional model of the railway scenario is reconstructed and imported into the Cloud Ray-Tracing (CloudRT) simulation platform. Based on extensive ray-tracing simulations, the channel for the terrestrial HSR system and the satellite-terrestrial system with two weather conditions are characterized, and the interference between them are evaluated. The results of this paper can help for the design and evaluation for the satellite-terrestrial communication system enabling future intelligent rail transportation.
2019
5.
Guan, Ke; He, Danping; Ai, Bo; Peng, Bile; Hrovat, Andrej; Kim, Junhyeong; Zhong, Zhangdui; Kürner, Thomas
Millimeter-Wave Communications for Smart Rail Mobility: From Channel Modeling to Prototyping Proceedings Article
In: 2019 IEEE International Conference on Communications Workshops (ICC Workshops), pp. 1-6, 2019, ISSN: 2474-9133.
Abstract | Links | BibTeX | Tags: channel model, mmWave
@inproceedings{8757021,
title = {Millimeter-Wave Communications for Smart Rail Mobility: From Channel Modeling to Prototyping},
author = {Ke Guan and Danping He and Bo Ai and Bile Peng and Andrej Hrovat and Junhyeong Kim and Zhangdui Zhong and Thomas K\"{u}rner},
doi = {10.1109/ICCW.2019.8757021},
issn = {2474-9133},
year = {2019},
date = {2019-05-01},
urldate = {2019-05-01},
booktitle = {2019 IEEE International Conference on Communications Workshops (ICC Workshops)},
pages = {1-6},
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.},
keywords = {channel model, mmWave},
pubstate = {published},
tppubtype = {inproceedings}
}
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.
4.
Kim, Junhyeong; Schmieder, Mathis; Peter, Michael; Chung, Heesang; Choi, Sung-Woo; Kim, Ilgyu; Han, Youngnam
A Comprehensive Study on mmWave-Based Mobile Hotspot Network System for High-Speed Train Communications Journal Article
In: IEEE Transactions on Vehicular Technology, vol. 68, no. 3, pp. 2087-2101, 2019, ISSN: 1939-9359.
Abstract | Links | BibTeX | Tags: high-speed train, mmWave, mobile hotspot
@article{Kim2019,
title = {A Comprehensive Study on mmWave-Based Mobile Hotspot Network System for High-Speed Train Communications},
author = {Junhyeong Kim and Mathis Schmieder and Michael Peter and Heesang Chung and Sung-Woo Choi and Ilgyu Kim and Youngnam Han},
doi = {10.1109/TVT.2018.2865700},
issn = {1939-9359},
year = {2019},
date = {2019-03-01},
urldate = {2019-03-01},
journal = {IEEE Transactions on Vehicular Technology},
volume = {68},
number = {3},
pages = {2087-2101},
abstract = {This paper presents a comprehensive study on millimeter-wave-based mobile hotspot network (MHN) system for high-speed train (HST) communications, including system design, field trial, channel modeling based on measurement campaign, simulation, and validation. First, an overview of the MHN system and the design of an MHN enhanced (MHN-E) system including physical layer specification and single frequency network are provided. Second, the overall design of prototypes for MHN conventional (MHN-C) and MHN-E systems is presented, and then the recent experimental results of a field trial conducted at Seoul subway line 8 with the MHN-C prototype and demonstrations with the MHN-E prototype are analyzed. Third, this paper presents a measurement campaign investigating channel characteristics of a rural HST environment and a QuaDRiGa-based channel model developed based on the parameters extracted from the measurement. Finally, a computer simulation is conducted to validate the performance of the MHN-E system at high mobility of up to 500 km/h under the QuaDRiGa channel model, which suggests a good methodology for the validation of HST communication systems at the highmobility since it is impractical to be tested by real testbeds as of now. The simulation results revealed that the MHN-E system is capable of providing a broadband mobile wireless backhaul with a peak data rate exceeding 5 Gb/s at a speed of 500 km/h.},
keywords = {high-speed train, mmWave, mobile hotspot},
pubstate = {published},
tppubtype = {article}
}
This paper presents a comprehensive study on millimeter-wave-based mobile hotspot network (MHN) system for high-speed train (HST) communications, including system design, field trial, channel modeling based on measurement campaign, simulation, and validation. First, an overview of the MHN system and the design of an MHN enhanced (MHN-E) system including physical layer specification and single frequency network are provided. Second, the overall design of prototypes for MHN conventional (MHN-C) and MHN-E systems is presented, and then the recent experimental results of a field trial conducted at Seoul subway line 8 with the MHN-C prototype and demonstrations with the MHN-E prototype are analyzed. Third, this paper presents a measurement campaign investigating channel characteristics of a rural HST environment and a QuaDRiGa-based channel model developed based on the parameters extracted from the measurement. Finally, a computer simulation is conducted to validate the performance of the MHN-E system at high mobility of up to 500 km/h under the QuaDRiGa channel model, which suggests a good methodology for the validation of HST communication systems at the highmobility since it is impractical to be tested by real testbeds as of now. The simulation results revealed that the MHN-E system is capable of providing a broadband mobile wireless backhaul with a peak data rate exceeding 5 Gb/s at a speed of 500 km/h.
3.
Yan, Dong; Yi, Haofan; He, Danping; Guan, Ke; Ai, Bo; Zhong, Zhangdui; Kim, Junhyeong; Chung, Heesang
Channel Characterization for Satellite Link and Terrestrial Link of Vehicular Communication in the mmWave Band Journal Article
In: IEEE Access, vol. 7, pp. 173559-173570, 2019, ISSN: 2169-3536.
Abstract | Links | BibTeX | Tags: 5G, mmWave, radio propagation, ray-tracing, satellite, vehicular communications
@article{Yan2019,
title = {Channel Characterization for Satellite Link and Terrestrial Link of Vehicular Communication in the mmWave Band},
author = {Dong Yan and Haofan Yi and Danping He and Ke Guan and Bo Ai and Zhangdui Zhong and Junhyeong Kim and Heesang Chung},
doi = {10.1109/ACCESS.2019.2956821},
issn = {2169-3536},
year = {2019},
date = {2019-01-01},
urldate = {2019-01-01},
journal = {IEEE Access},
volume = {7},
pages = {173559-173570},
abstract = {In the vision of intelligent transportation, vehicles are expected to feature with advanced applications, such as automatic road enforcement, dynamic traffic light sequence, and autonomous driving. Therefore, real-time and fast dynamic information exchanges are required, and vehicle-to-everything (V2X) communications are highly demanded. In this work, the channel characteristics of vehicular communication are analyzed in the millimeter-wave (mmWave) band at 22.1-23.1 GHz. Specifically, two types of links (the satellite link and the terrestrial link) are considered in urban and highway scenarios with different weather conditions. The ray-tracing simulator together with calibrated electromagnetic parameters is employed to practically generate wideband channels. The key channel parameters of each link including the received power, Rician K -factor, root-mean-square delay spread, and angular spreads are explored. The co-channel interferences between the two links are analyzed as well. The observations and conclusions of this work can be useful for the design of V2X communication technologies.},
keywords = {5G, mmWave, radio propagation, ray-tracing, satellite, vehicular communications},
pubstate = {published},
tppubtype = {article}
}
In the vision of intelligent transportation, vehicles are expected to feature with advanced applications, such as automatic road enforcement, dynamic traffic light sequence, and autonomous driving. Therefore, real-time and fast dynamic information exchanges are required, and vehicle-to-everything (V2X) communications are highly demanded. In this work, the channel characteristics of vehicular communication are analyzed in the millimeter-wave (mmWave) band at 22.1-23.1 GHz. Specifically, two types of links (the satellite link and the terrestrial link) are considered in urban and highway scenarios with different weather conditions. The ray-tracing simulator together with calibrated electromagnetic parameters is employed to practically generate wideband channels. The key channel parameters of each link including the received power, Rician K -factor, root-mean-square delay spread, and angular spreads are explored. The co-channel interferences between the two links are analyzed as well. The observations and conclusions of this work can be useful for the design of V2X communication technologies.
2018
2.
Guan, Ke; He, Danping; Ai, Bo; Hrovatz, Andrej; Kim, Junhyeong; Zhong, Zhangdui; Kürner, Thomas
Realistic Channel Characterization for 5G Millimeter-Wave Railway Communications Proceedings Article
In: 2018 IEEE Globecom Workshops (GC Wkshps), pp. 1-6, 2018.
Abstract | Links | BibTeX | Tags: mmWave
@inproceedings{8644076,
title = {Realistic Channel Characterization for 5G Millimeter-Wave Railway Communications},
author = {Ke Guan and Danping He and Bo Ai and Andrej Hrovatz and Junhyeong Kim and Zhangdui Zhong and Thomas K\"{u}rner},
doi = {10.1109/GLOCOMW.2018.8644076},
year = {2018},
date = {2018-12-01},
urldate = {2018-12-01},
booktitle = {2018 IEEE Globecom Workshops (GC Wkshps)},
pages = {1-6},
abstract = {In this paper, we characterize the channel for fifth-generation (5G) millimeter-wave (mmWave) railway communications. In order to involve the railway features in the channel models, we realize extensive ray-tracing simulations in the 60 GHz band with 8 GHz bandwidth in realistic mmWave railway scenarios. The four angular spreads - azimuth angular spread of arrival (ASA) and departure (ASD), elevation angular spread of arrival (ESA) and departure (ESD) - are extracted and analyzed in detail. This angular domain information together with our previous work on path loss exponent, shadow factor, Ricean K-factor, and root-mean-square (RMS) delay spread, characterize the 5G mmWave railway channel comprehensively. The two parameter tables can be input into the standard channel models.},
keywords = {mmWave},
pubstate = {published},
tppubtype = {inproceedings}
}
In this paper, we characterize the channel for fifth-generation (5G) millimeter-wave (mmWave) railway communications. In order to involve the railway features in the channel models, we realize extensive ray-tracing simulations in the 60 GHz band with 8 GHz bandwidth in realistic mmWave railway scenarios. The four angular spreads - azimuth angular spread of arrival (ASA) and departure (ASD), elevation angular spread of arrival (ESA) and departure (ESD) - are extracted and analyzed in detail. This angular domain information together with our previous work on path loss exponent, shadow factor, Ricean K-factor, and root-mean-square (RMS) delay spread, characterize the 5G mmWave railway channel comprehensively. The two parameter tables can be input into the standard channel models.
1.
Wang, Longhe; Ai, Bo; Guan, Ke; He, Danping; Zhong, Zhangdui; Kim, Junhyeong
Channel Characteristics in Rural Railway Environment at 28 GHz Proceedings Article
In: 2018 16th International Conference on Intelligent Transportation Systems Telecommunications (ITST), pp. 1-5, 2018.
Abstract | Links | BibTeX | Tags: mmWave
@inproceedings{8566834,
title = {Channel Characteristics in Rural Railway Environment at 28 GHz},
author = {Longhe Wang and Bo Ai and Ke Guan and Danping He and Zhangdui Zhong and Junhyeong Kim},
doi = {10.1109/ITST.2018.8566834},
year = {2018},
date = {2018-10-01},
urldate = {2018-10-01},
booktitle = {2018 16th International Conference on Intelligent Transportation Systems Telecommunications (ITST)},
pages = {1-5},
abstract = {Nowadays, rail traffic is expected to evolve into a new era of "smart rail mobility", where trains, infrastructure, travelers and goods will be increasingly interconnected. Railway communications are required to support various high-data-rate applications, the communication system should be carefully designed, which makes railway scenario becomes an important communication scenario in the 5G era. Millimeter-wave (mmWave) bands and novel technologies like resource allocation, multiple access and multiple-output beam-forming are proposed in the realization of this goal. In this paper, the mmWave channel characteristics of rural railway scenario are studied via a calibrated ray-tracing simulator. The large-scale parameters of the channel characteristics, including the path loss, root-mean-square (RMS) delay spread, Rician K-factor, angular spreads, and cross-polarization ration (XPR) are explored. The statistical properties, decorrelation distance and cross-correlations are analyzed. The studied channel characteristics can be practically used to support the link level and system level design of the communication system in the similar environments.},
keywords = {mmWave},
pubstate = {published},
tppubtype = {inproceedings}
}
Nowadays, rail traffic is expected to evolve into a new era of "smart rail mobility", where trains, infrastructure, travelers and goods will be increasingly interconnected. Railway communications are required to support various high-data-rate applications, the communication system should be carefully designed, which makes railway scenario becomes an important communication scenario in the 5G era. Millimeter-wave (mmWave) bands and novel technologies like resource allocation, multiple access and multiple-output beam-forming are proposed in the realization of this goal. In this paper, the mmWave channel characteristics of rural railway scenario are studied via a calibrated ray-tracing simulator. The large-scale parameters of the channel characteristics, including the path loss, root-mean-square (RMS) delay spread, Rician K-factor, angular spreads, and cross-polarization ration (XPR) are explored. The statistical properties, decorrelation distance and cross-correlations are analyzed. The studied channel characteristics can be practically used to support the link level and system level design of the communication system in the similar environments.