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학술지 Channel Characterization for Satellite Link and Terrestrial Link of Vehicular Communication in the mmWave Band
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저자
Dong Yan, Haofan Yi, Danping He, Ke Guan, Bo Ai, Zhangdui Zhong, 김준형, 정희상
발행일
201911
출처
IEEE Access, v.7, pp.173559-173570
ISSN
2169-3536
출판사
IEEE
DOI
https://dx.doi.org/10.1109/ACCESS.2019.2956821
협약과제
19HH4400, [사회문제] 통신비 부담 경감을 위한 대중교통수단에서의 공공와이파이 체감 품질 개선, 김일규
초록
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.
KSP 제안 키워드
Angular spread, Channel Characteristics, Channel parameters, Dynamic information, Ray tracing, Real-Time, Received power, Root mean square(RMS), Root-mean-square delay spread, Satellite link, V2X Communication
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