The impact of interference from the side lanes on mmWave/THz band V2V communication systems with directional antennas

Petrov, Vitaly; Kokkoniemi, Joonas; Moltchanov, Dmitri; Lehtomäki, Janne; Juntti, Markku; Koucheryavy, Yevgeni (2018-01-30)
 
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https://doi.org/10.1109/TVT.2018.2799564

Petrov, Vitaly
Kokkoniemi, Joonas
Moltchanov, Dmitri
Lehtomäki, Janne
Juntti, Markku
Koucheryavy, Yevgeni
Institute of Electrical and Electronics Engineers
30.01.2018

V. Petrov, J. Kokkoniemi, D. Moltchanov, J. Lehtomäki, M. Juntti and Y. Koucheryavy, "The Impact of Interference From the Side Lanes on mmWave/THz Band V2V Communication Systems With Directional Antennas," in IEEE Transactions on Vehicular Technology, vol. 67, no. 6, pp. 5028-5041, June 2018. doi: 10.1109/TVT.2018.2799564

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doi:https://doi.org/10.1109/TVT.2018.2799564
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Abstract

Communications systems operating in the millimeter-wave (mmWave) and terahertz (THz) band have been recently suggested to enable high data-rate vehicle-to-vehicle (V2V) communications in 5G and beyond wireless networks. However, massive deployment of such systems may lead to significant interference, affecting the performance of information transmission. While the multipath interference caused by the signal reflections from the road has been extensively discussed in the literature, the interference caused by the vehicles on the side lanes has been insufficiently studied so far. In this paper, using a combination of measurement, simulation, and analytical methods, we comprehensively characterize the interference from the side lanes in two typical deployments including highway and urban road environments for millimeter-wave and low terahertz bands. Both the multipath interference and direct interference from the transmitting vehicles on the side lanes are taken into account. As a result of our study, we reveal that: the interference from the side lanes can be well approximated using two-dimensional stochastic models without any significant loss of accuracy; and even when highly directional antennas are used there are special spatial configurations, where the interference may greatly affect the performance of the communication systems. We lately apply the developed models to estimate the signal-to-interference ratio and link capacity of mmWave/THz band V2V communications.

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