2020
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}
}
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}
}
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}
}
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}
}
2019
Yi, Haofan; Guan, Ke; He, Danping; Ai, Bo; Dou, Jianwu; Kim, Junhyeong
Characterization for the Vehicle-to-Infrastructure Channel in Urban and Highway Scenarios at the Terahertz Band Journal Article
In: IEEE Access, vol. 7, pp. 166984-166996, 2019, ISSN: 2169-3536.
Abstract | Links | BibTeX | Tags: Channel characteristics, radio propagation, ray-tracing, terahertz communication, vehicle-toinfrastructure channel
@article{Yi2019,
title = {Characterization for the Vehicle-to-Infrastructure Channel in Urban and Highway Scenarios at the Terahertz Band},
author = {Haofan Yi and Ke Guan and Danping He and Bo Ai and Jianwu Dou and Junhyeong Kim},
doi = {10.1109/ACCESS.2019.2953890},
issn = {2169-3536},
year = {2019},
date = {2019-01-01},
urldate = {2019-01-01},
journal = {IEEE Access},
volume = {7},
pages = {166984-166996},
abstract = {With the challenge to form the networks of the Intelligent Transportation Systems (ITS), both technologies of vehicles and wireless communication are required to be connected tightly. In terms of wireless communication, the communication system in the terahertz (THz) frequency range with ultra-large bandwidth is a potential technology to support very high-data-rate wireless transmission at the age of beyond fifth-generation mobile communications (B5G). In this paper, the carrier frequency of 300 GHz with 8 GHz bandwidth vehicle-to-infrastructure (V2I) channel is characterized for the urban and highway scenario, respectively. The self-developed ray-tracing (RT) simulator is employed with the calibrated electromagnetic (EM) parameters. Since the wavelength of carrier frequency approaches the diameters of raindrops and snowflakes, the significant influence of the precipitation on the channel characterization is studied in our work as well. The large-scale parameters of the THz V2I channel, including path loss, Rician K-factor, root-mean-square (RMS) delay spread, and angular spreads are explored in the target scenarios under sunny, rainy, and snowy conditions, respectively. The channel characteristics studied in this paper can be used to support the link-level and system-level design for the future THz vehicular communications.},
keywords = {Channel characteristics, radio propagation, ray-tracing, terahertz communication, vehicle-toinfrastructure channel},
pubstate = {published},
tppubtype = {article}
}
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}
}