Vehicle-to-vehicle radio channel characteristics for congestion scenario in Dense Urban region at 5.9GHz

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Abstract

This paper reports the results of a car-following measurement of the wireless propagation channel at 5.9 GHz on a seriously congested urban road in Wuhan, China. The small-scale amplitude-fading distribution was determined to be a Ricean distribution using the Akaike information criterion. This result shows that this car-following scenario can be regarded as a line-of-sight radio channel. Moreover, the statistical K-factor features follow a Gaussian distribution. According to the power delay profile and average power delay profile, we found that street buildings in this dense urban environment contributed to very strong reflection phenomena. The impact of a powerful reflection is analyzed through path loss, delay, and Doppler spreads in the channel statistical properties. In the frequency domain, we observe a U-shape delay-Doppler spectrum that proved that the dense urban scenario consists of scattering channels. These results are summarized in tabular form that will be useful in the modeling of vehicle-to-vehicle wireless communication systems.

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Shui, Y., Li, F., Yu, J., Chen, W., Li, C., Yang, K., & Chang, F. (2018). Vehicle-to-vehicle radio channel characteristics for congestion scenario in Dense Urban region at 5.9GHz. International Journal of Antennas and Propagation, 2018. https://doi.org/10.1155/2018/1751869

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