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학술대회 Multipath Propagation Characteristics for 5G Vehicular Communications Based on 28 GHz Expressway Measurements
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박재준, 이주열, 김경원, 김명돈, 이광천
European Conference on Antennas and Propagation (EuCAP) 2019, pp.1-5
18HH7600, 5G초고주파 기반 고속이동체 환경에서의 채널특성 및 성능평가 국제 공동연구, 박주호
This paper presents multipath propagation characteristics, such as a power delay-Doppler profile, based on measurement data collected in expressway environments considering millimeter-wave 5G vehicle-to-infrastructure communications. With a 500 MHz-channel sounder at 28 GHz, the measurement campaigns were conducted in two expressway roads: a test expressway and an actual inter-state expressway, which are located parallel to each other in Yeoju, Korea. We investigate the propagation characteristics in terms of delay spread and Doppler frequency expressway for vehicle-to-infrastructure channels. Characteristics such as delay and Doppler frequency of the two expressway roads are compared. The results show that higher Doppler frequency is observed in the actual expressway environment, which is about 3 times higher than that of the line-of-sight component.
KSP 제안 키워드
28 GHz, Channel Sounder, Data collected, Delay spread, Doppler Frequency, Doppler Profile, Line-Of-Sight(LOS), Power delay(PD), Propagation characteristics, Vehicle-to-Infrastructure(V2I), Vehicular Communication