Blockage And Coverage Analysis With Mmwave Cross Street Bss Near Urban Intersections
2017 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC)(2017)
摘要
Millimeter wave (mmWave) communication offers Gbps data transmission, which can support massive data sharing in vehicle-to-infrastructure (V2I) networks. In this paper, we analyze the blockage effects among different vehicles and coverage probability of a typical receiver, considering cross street BSs near urban intersections in a multi-lane mmWave vehicular network. First, a three-dimensional model of blockage among vehicles on different lanes is considered. Second, we compute the coverage probability considering the interference of cross street base stations. Incorporating the blockage effects, we derive an exact and semi closed-form expression of the cumulative distribution density (CDF) of the association link path gain. Then, a tight approximation of the coverage probability is computed. We provide numerical results to verify the accuracy of the analytic results. We demonstrate the effects of blockage and the cross street interference. Also, we compare coverage probability with different BSs intensities under various street settings. It is shown that in multi-lane V2I networks, blockage among vehicles is not significant. Also, deploying more BSs does not increase coverage probability efficiently in ultra-dense streets.
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关键词
millimeter wave communication,data transmission,data sharing,vehicle-to-infrastructure networks,blockage effects,receiver,multilane mmWave vehicular network,cross street base stations interference,cumulative distribution density
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