Research Article

A Temporal Millimeter Wave Propagation Model for Tunnels Using Ray Frustum Techniques and FFT

Figure 7

Received power levels in the second test tunnel.
172924.fig.007a
(a) Positions of the transmitter and the receivers in the tunnel
172924.fig.007b
(b) At point “RX1”
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(c) At point “RX2”
172924.fig.007d
(d) At point “RX1”
172924.fig.007e
(e) At point “RX2”