An 8 GHz-bandwidth double-directional channel measurement campaign in an urban microcell at 6-14 GHz produces statistical models for path loss, delay spread, and angular spread, and highlights vegetation-obstructed LoS as a distinct category.
Ultra-wideband Double-Directionally Resolved Channel Measurements of Line-of-Sight Microcellular Scenarios in the Upper Mid-band
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abstract
The growing demand for higher data rates and expanded bandwidth is driving the exploration of new frequency ranges, including the upper mid-band spectrum (6-24 GHz), which is a promising candidate for future Frequency Range 3 (FR3) applications. This paper presents ultra-wideband double-directional channel measurements in line-of-sight microcellular scenarios within the upper mid-band spectrum (6-18 GHz). Conducted in an urban street canyon environment, these measurements explore key channel characteristics such as power delay profiles, angular power spectra, path loss, delay spread, and angular spread to provide insights essential for robust communication system design. Our results reveal that path loss values for both omni-directional and best beam configurations are lower than free-space predictions due to multipath contributions from the environment. Analysis also indicates a high degree of stability in delay spread and angular spread across the entire band, with small variation between sub-bands.
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Ultra-Wideband Double-Directional Channel Measurements and Statistical Modeling in Urban Microcellular Environments for the Upper-Midband/FR3
An 8 GHz-bandwidth double-directional channel measurement campaign in an urban microcell at 6-14 GHz produces statistical models for path loss, delay spread, and angular spread, and highlights vegetation-obstructed LoS as a distinct category.