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학술지 Channel Characterisation in Rural Railway Environment at 28 GHz
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저자
Longhe Wang, Bo Ai, Danping He, Haofan Yi, Zhangdui Zhong, 김준형
발행일
201907
출처
IET Microwaves, Antennas and Propagation, v.13 no.8, pp.1052-1059
ISSN
1751-8725
출판사
IET
DOI
https://dx.doi.org/10.1049/iet-map.2018.5811
협약과제
19HH4400, [사회문제] 통신비 부담 경감을 위한 대중교통수단에서의 공공와이파이 체감 품질 개선, 김일규
초록
Nowadays, rail traffic is expected to evolve into a new era of ?쁲mart rail mobility??, where trains, infrastructure, travellers 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 a more and more important communication scenario. In this study, the channel characteristics are analysed for rural railway at 28 GHz. Four different deployments are considered via calibrated ray-tracing simulations in the target environment. The large-scale parameters of the mmWave channel, including the path loss, root-mean-square delay spread, Rician K-factor, angular spreads and cross-polarisation ratio are explored. The statistical properties, decorrelation distance and cross-correlations are analysed as well. The studied channel characteristics can be used to support the link level and system level design of the communication system in the similar environment.
KSP 제안 키워드
28 GHz, Angular spread, Channel Characteristics, Communication system, Cross-Correlation, Cross-polarisation, Decorrelation distance, High data rate, MmWave channel, Path loss, Railway environment