A Visibility Matching Technique for Efficient Millimeter-Wave Vehicular Channel Modeling

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 co...

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Vydáno v:IEEE transactions on antennas and propagation Ročník 70; číslo 10; s. 9977 - 9982
Hlavní autoři: Hussain, Sajjad, Brennan, Conor
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.10.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Algorithms
Buildings
Computational modeling
Diffuse scattering
Faces
Millimeter waves
Radio transmitters
Ray tracing
Receivers
Scattering
vehicular communication
Visibility
Wave propagation
ISSN:0018-926X, 1558-2221
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Shrnutí: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.
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ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2022.3178130