Omnidirectional path loss models in New York City at 28 GHz and 73 GHz

This paper presents newly generated omnidirectional close-in free space reference distance and floating intercept path loss models obtained from 28 GHz and 73 GHz RF ultrawideband propagation measurements collected in Downtown Manhattan using a 400 Mega-chip-per-second sliding correlator channel sounder. Simplified path loss models with respect to a 1 m close-in free space reference distance are provided here for the omnidirectional propagation models, and are suitable for system-wide simulations similar to 3GPP and WINNER II. Measured path loss exponents at millimeter-wave and current UHF/Microwave cellular frequencies are very similar. The significant difference in large-scale path loss between UHF and millimeter-wave channels is the extra free space attenuation due to the increase in carrier frequency.

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