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- W4285238457 abstract "Site-specific propagation models for highly dynamic vehicle-to-vehicle (V2V) scenarios become time consuming as the identification of visible surfaces must be performed independently for each transmitter location. Moreover, the validation of higher order of ray interactions presents a significant computational overhead. This communication presents an efficient ray-tracing algorithm for V2V propagation prediction. The model presented in this communication extends a previous model that uses a precomputed database of intra-visibility of walls and edges in the environment. The model computes the list of faces and edges that are directly visible to the mobile receiver. This visibility information is then used to reduce the image-tree thereby accelerating the ray validation. The communication also presents an efficient technique to compute diffuse scattered rays in a timely manner. The validation results show considerable time saving over previous models." @default.
- W4285238457 created "2022-07-14" @default.
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- W4285238457 date "2022-10-01" @default.
- W4285238457 modified "2023-10-17" @default.
- W4285238457 title "A Visibility Matching Technique for Efficient Millimeter-Wave Vehicular Channel Modeling" @default.
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- W4285238457 doi "https://doi.org/10.1109/tap.2022.3178130" @default.
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