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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2009-09-04
Geometry-Based Statistical Model for Radio Propagation in Rectangular Office Buildings
By
Yifan Chen,

    Dr. Yifan Chen

    School of Engineering

    University of Greenwich

    UK

    Homepage

Zhenrong Zhang,

    Dr. Zhenrong Zhang

    School of Computer, Electronic and Information

    Guangxi University

    China

    Homepage

Luoquan Hu,

    Dr. Luoquan Hu

    College of Communication and Information Engineering

    Nanjing University of Posts and Telecommunications

    China

    Homepage

Predrag B. Rapajic

    Prof. Predrag B. Rapajic

    University of Greenwich at Meadway

    UK

    Homepage

Progress In Electromagnetics Research B, Vol. 17, 187-212, 2009
doi:10.2528/PIERB09080603 | Google Scholar

Abstract
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.
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Citation
Yifan Chen, Zhenrong Zhang, Luoquan Hu, and Predrag B. Rapajic, "Geometry-Based Statistical Model for Radio Propagation in Rectangular Office Buildings," Progress In Electromagnetics Research B, Vol. 17, 187-212, 2009.
doi:10.2528/PIERB09080603
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