Geodesic
Assessing the contribution of multiply scattered radio waves to the impulse response of a wireless channel
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 166 (2024) no. 4, pp. 624-638 Cet article a éte moissonné depuis la source Math-Net.Ru

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Using a three-dimensional topographic map of a typical microdistrict in Kazan, multipath radio wave propagation in mobile radio communication systems was modeled by the method of ray tracing. An ensemble of 4000 radio links, each 200 m long, was generated and randomly positioned on the map. The wave propagation scenarios included both line-of-sight and non-line-of-sight conditions of visibility between transmitters and receivers. A quantitative analysis of the contribution made by multiply scattered waves to the channel impulse response was performed. The results show that single-scattering approximation is generally sufficient for 200-m line-of-sight links. However, in the non-line-of-sight scenario, it is necessary to also account for waves scattered two or three times.
Keywords: wireless communication, channel impulse response, ray tracing, multiple scattering.
Mots-clés : multipath propagation 
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R. F. Khaliullin; A. I. Sulimov. Assessing the contribution of multiply scattered radio waves to the impulse response of a wireless channel. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 166 (2024) no. 4, pp. 624-638. http://geodesic.mathdoc.fr/item/UZKU_2024_166_4_a11/

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