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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.
KSP 제안 키워드
2.6 GHz, Design evaluation, Fifth Generation(5G), Large bandwidth, Railway environment, Ray tracing, Satellite and terrestrial, Terrestrial channel, Three dimensional(3D), channel characterization, high-speed railway