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This paper presents results from the (to our knowledge) first dynamicdouble-directionally resolved measurement campaign at mm-wave frequencies foran outdoor microcellular scenario. The measurements are performed with USC'sreal-time channel sounder equipped with phased array antennas that can steerbeams electrically in microseconds, allowing directional measurements indynamic environments. Exploiting the phase coherency of the setup, themulti-path components can be tracked over time to investigate the temporaldependencies of the channel characteristics. We present results fortime-varying path-loss, delay spread, mean angles and angular spreads observedat the transmitter (TX) and receiver (RX) in the presence of moving vehiclesand pedestrians. Additionally, we investigate excess losses observed due toblockage by vehicles and compare the cases when TX and RX are using fixed beamsor when they are capable of adjusting beam directions dynamically.

Dynamic Double Directional Propagation Channel Measurements at 28 GHz