Propagation Path Loss Models for 5G Urban Micro- and Macro-Cellular Scenarios

Abstract

This paper presents and compares two candidate large-scale propagation path loss models, the alpha-beta-gamma (ABG) model and the close-in (CI) free space reference distance model, for the design of fifth generation (5G) wireless communication systems in urban micro- and macro-cellular scenarios. Comparisons are made using the data obtained from 20 propagation measurement campaigns or ray-tracing studies from 2 GHz to 73.5 GHz over distances ranging from 5 m to 1429 m. The results show that the one-parameter CI model has a very similar goodness of fit (i.e., the shadow fading standard deviation) in both line-of-sight and non-line-of-sight environments, while offering substantial simplicity and more stable behavior across frequencies and distances, as compared to the three-parameter ABG model. Additionally, the CI model needs only one very subtle and simple modification to the existing 3GPP floating-intercept path loss model (replacing a constant with a close-in free space reference value) in order to provide greater simulation accuracy, more simplicity, better repeatability across experiments, and higher stability across a vast range of frequencies.

in 2016 IEEE 83rd Vehicular Technology Conference (VTC2016-Spring), May 2016, Nanjing, China

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• 5G 3GPP-like Channel Models for Outdoor Urban Microcellular and Macrocellular Environments
• 28 GHz and 73 GHz Millimeter-Wave Indoor Propagation Measurements and Path Loss Models
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