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Geometry-based statistical model for radio propagation in rectangular office buildings

Geometry-based statistical model for radio propagation in rectangular office buildings

Chen, Y., Zhang, Z., Hu, L. and Rapajic, P.B. (2009) Geometry-based statistical model for radio propagation in rectangular office buildings. Progress In Electromagnetics Research B, 17. pp. 187-212. ISSN 1937-6472 (doi:

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We present a new approach to the modeling of angle and time of arrival statistics for radio propagation in typical office buildings, in which the majority of interior scattering objects are either parallel or perpendicular to the exterior walls. We first describe the reradiating elements in office buildings as randomly distributed arrays of thin strips. The amount of clutter and the amount of transmission/reflection loss are then accounted for through several key parameters of the site-specific features of indoor environment, such as the layout and materials of the building under consideration. Subsequently, the important channel parameters including power azimuthal spectrum (PAS) and power delay spectrum (PDS) are derived. An appealing observation is that when the path angles from multiple channel trials are measured and collectively analyzed, deterministic angle clustering becomes evident. This phenomenon agrees well with the existing ray-tracing (RT) results reported by Jo et al. in buildings of this type and cannot be explained by other geometric channel models (GCMs). Furthermore, the proposed model predicts an asymmetric cluster PAS for a single-channel-trial scenario, which yields an excellent fit to the experimental data presented by Poon and Ho. Finally, we have also investigated the behaviors of the superimposed PAS and PDS under various channel conditions.

Item Type: Article
Additional Information: Founding Editor in Chief: Jin Au Kong
Uncontrolled Keywords: radio propagation, office buildings, randomly distributed arrays, power azimuthal spectrum (PAS), power delay spectrum (PDS), deterministic angle clustering, ray-tracing (RT), geometric channel models (GCMs)
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering
School of Engineering > Department of Computer & Communications Engineering
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Last Modified: 14 Oct 2016 09:19

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