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arXiv · 1804.00847

Modeling the Multipath Cross-Polarization Ratio for Above-6 GHz Radio Links

Aki Karttunen·Jan Järveläinen·Sinh Le Hong Nguyen·Katsuyuki Haneda
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Abstract

In this paper, we parameterize an excess loss-based multipath component (MPC) cross-polarization ratio (XPR) model in indoor and outdoor environments for above-6 GHz frequency bands. The results are based on 28 measurement campaigns in several frequency bands ranging from 15 to 80 GHz. A conventional XPR model of an MPC assuming a constant mean value fits our measurements very poorly and moreover overestimates the depolarization effect. Our measurements revealed a clear trend that the MPC XPR is inversely proportional to an excess loss in reference to the free-space path loss. The model is physically sound as a higher excess loss is attributed to more lossy interactions or to a greater number of interactions with objects, leading to a greater chance of depolarization. The measurements furthermore showed that the MPC XPR is not strongly frequency or environment dependent. In our MPC XPR model, an MPC with zero-dB excess loss has a mean XPR of 28 dB. The mean XPR decreases half-a-dB as the excess loss increases by every dB and the standard deviation around the mean is 6 dB. The model is applicable to existing channel models to reproduce realistic MPC XPRs for the above 6-GHz radio links.

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Aki Karttunen, Jan Järveläinen, Sinh Le Hong Nguyen, Katsuyuki Haneda. 2018-04-03. Modeling the Multipath Cross-Polarization Ratio for Above-6 GHz Radio Links. https://arxiv.org/abs/1804.00847

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