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Backscatter Measurements and Models for RF Sensing Applications in Cluttered Environments
A statistical backscatter channel model for indoor clutter is developed for indoor RF sensing applications based on measurements.
Outdoor-to-Indoor 28 GHz Wireless Measurements in Manhattan: Path Loss, Environmental Effects, and 90% Coverage
The measured OtI path gain can vary by up to 40 dB for a given link distance, and the empirical path gain model for all data shows an average of 30 dB excess loss over free space at distances beyond 50 m, with an RMS fitting error of 11. 7 dB.
Dense Urban Outdoor-Indoor Coverage from 3.5 to 28 GHz
For 28 GHz with 1 W/polarization transmit power in the urban street grid, the downlink data rates for 90% of outdoor users are estimated at over 250 Mbps.
Beamforming Learning for mmWave Communication: Theory and Experimental Validation
We demonstrate that the training time required by the proposed scheme is only 5% of that of exhaustive search.
Directional Measurements in Urban Street Canyons from Macro Rooftop Sites at 28 GHz for 90% Outdoor Coverage
Coverage in the street directly illuminated by a roof edge antenna is found to suffer an average excess loss of 11 dB relative to free space at 200 m, with empirical slope-intercept fit model representing the data with 7. 1 dB standard deviation.
