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An Indoor Propagation Modeling that can Analyze a Fading Characteristic  

Seok, Woo-Chan (LG 전자 정보통신 WLL 단말연구소)
Kim, Jin-Woong (연세대학교 마이크로파 및 안테나 연구실)
Yoon, Young-Joong (연세대학교 마이크로파 및 안테나 연구실)
Seok, Jae-Ho (전파연구소)
Lim, Jae-Woo (전파연구소)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.27, no.1B, 2002 , pp. 114-124 More about this Journal
Abstract
In this paper, we proposed the image-based 3D ray tracing indoor propagation model using a patch scattering model for fading analysis of indoor propagation environments. An image-based 3D ray tracing technique is mainly used, which allows the rapid generation of the complex channel impulse response for any given location and polarization of transmitter and receiver. Due to the site specific nature of indoor environment, we took into account the location and the electrical properties of individual walls and objects such as windows, doors and plaster board in our propagation model. Besides, the 3D radiation beam-patterns and polarizations of arbitrary antennas were considered, and using patch scattering model we can consider the change of the polarization due to the scattering from the various indoor objects, like desks, chairs and etc. the are almost impossible to be modeled with the basic image-based ray tracing method. The model will predict the impulse response, the rms delay spread, the fading characteristics of the channel and performances of the polarization diversity schemes.
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