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학술지 Satellite-Terrestrial Channel Characterization in High-Speed Railway Environment at 22.6 GHz
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저자
Lei Ma, Ke Guan, Dong Yan, Danping He, Nuno R. Leonor, Bo Ai, 김준형
발행일
202003
출처
Radio Science, v.55 no.3, pp.1-15
ISSN
0048-6604
출판사
American Geophysical Union (AGU)
DOI
https://dx.doi.org/10.1029/2019RS006995
협약과제
20HH3100, [사회문제] 통신비 부담 경감을 위한 대중교통수단에서의 공공와이파이 체감 품질 개선, 정희상
초록
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 22.6혻GHz 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.
키워드
Channel characterization, Millimeter wave channel, Railway communication, Ray tracing simulation, Satellite-terrestrial communication
KSP 제안 키워드
2.6 GHz, Design evaluation, Fifth Generation(5G), Large bandwidth, Railway environment, Satellite and terrestrial, Terrestrial channel, Three dimensional(3D), channel characterization, high-speed railway, millimeter wave(mmWave)