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학술대회 Non-stationarity of Vehicle to Vehicle Channels using Correlation or Covariance in Highway Scenarios
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저자
홍주연, 김청섭, 임종수, 김혁제
발행일
201810
출처
International Conference on Information and Communication Technology Convergence (ICTC) 2018, pp.1546-1548
DOI
https://dx.doi.org/10.1109/ICTC.2018.8539537
협약과제
18HR1400, 선제적 주파수 이용을 위한 시·공간적 스펙트럼 엔지니어링 기술 개발, 정영준
초록
The radio propagation in MIMO channel is assumed to modeled on some statistical premise. Vehicle-to-Vehicle (V2V) radio channels are expected to be non-stationary for vehicular speed and scatterers in the real environments. The V2V radio model characteristics are need to estimate their stationarity and determine the variant of time for their statistics. The non-stationarity of V2V radio channels can be evaluated by the correlation matrix metrics and the RUN tests. We make the Campaign in the highway region of South Korea at the frequency of 5.9 GHz using the ETRI channel sounder and a 1 × 4 SIMO system. In the previous work, we estimate propagation path loss, K, delay spread, doppler shift from the measured channel impulse responses and Correlation Matrices. The stationarity distance can be predicted several meters, the large delay spreads cause the smaller stationarity areas.
KSP 제안 키워드
5.9 GHz, Channel Sounder, Delay spread, Doppler Shift, MIMO channel, Model characteristics, Non-Stationary, Non-stationarity, Propagation path loss, Radio propagation, SIMO system