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arXiv · 1511.06938

28 GHz Millimeter-Wave Ultrawideband Small-Scale Fading Models in Wireless Channels

Mathew K. Samimi·George R. MacCartney, Jr.·Shu Sun·Theodore S. Rappaport
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Abstract

This paper presents small-scale fading measurements for 28 GHz outdoor millimeter-wave ultrawideband channels using directional horn antennas at the transmitter and receiver. Power delay profiles were measured at half-wavelength spatial increments over a local area (33 wavelengths) on a linear track in two orthogonal receiver directions in a typical base-to-mobile scenario with fixed transmitter and receiver antenna beam pointing directions. The voltage path amplitudes are shown to follow a Rician distribution, with K-factor ranging from 9 - 15 dB and 5 - 8 dB in line of sight (LOS) and non-line of sight (NLOS) for a vertical-to-vertical co-polarized antenna scenario, respectively, and from 3 - 7 dB in both LOS and NLOS vertical-to-horizontal cross-polarized antenna scenario. The average spatial autocorrelation functions of individual multipath components reveal that signal amplitudes reach a correlation of 0 after 2 and 5 wavelengths in LOS and NLOS co-polarized V-V antenna scenarios. The models provided are useful for recreating path gain statistics of millimeter-wave wideband channel impulse responses over local areas, for the study of multi-element antenna simulations and channel estimation algorithms.

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Mathew K. Samimi, George R. MacCartney, Jr., Shu Sun, Theodore S. Rappaport. 2016-02-22. 28 GHz Millimeter-Wave Ultrawideband Small-Scale Fading Models in Wireless Channels. https://doi.org/10.1109/vtcspring.2016.7503970

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