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Effects of Digital Map on the RT-based Channel Model for UAV mmWave Communications

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Document pages: 6 pages

Abstract: Based on the geometry and ray tracing (RT) theory, a millimeter wave (mmWave)channel model and parameter computation method for unmanned aerial vehicle(UAV) assisted air-to-ground (A2G) communications are proposed in this paper.In order to speed up the parameter calculation, a reconstruction process ofscene database on the original digital map is developed. Moreover, the effectsof reconstruction accuracy on the channel parameter and characteristic areanalyzed by extensive simulations at 28 GHz under the campus scene. Thesimulation and analysis results show that the simplified database can save upto 50 time consumption. However, the difference of statistical properties isslight in the campus scenario.

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