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Measurements and analysis of large-scale fading characteristics in curved subway tunnels at 920 MHz, 2400 MHz, and 5705 MHz

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Academic year: 2020

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Figure

Fig. 1. Front view of the measurement setup in the arched "Type I" tunnel.
Fig. 2. Front view of the measurement setup in the arched "Type II" tunnel.  both vertical polarization (V-pol.) and horizontal polarization  (H-pol.) are measured in the arched "Type I" tunnel
Fig. 3. Measured received power (without small-scale fading) in the traditional curved arched "Type I" tunnel with 500 m radius of curvature with both polari- polari-zations at (a) 920 MHz, (b) 2400 MHz, and (c) 5705 MHz
Fig. 6. Probability density of shadow fading in the arched "Type I" tunnel at  5705 MHz with horizontal polarization
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