CINDOOR: an engineering tool for planning and design of wireless systems in enclosed spaces

This paper presents the program CINDOOR. This program is an engineering tool for aiding in the design, planning, and effective implementation of wireless systems in general enclosed spaces. The method underlying CINDOOR is a flexible approach to the propagation process, allowing analysis of indoor and outdoor environments and the interaction between them. The method is based on a full three-dimensional implementation of GO/UTD. Ray tracing is efficiently carried out by combining image theory with binary space partitioning algorithms. The space-time distribution of the electromagnetic field is processed to obtain a set of magnitudes that form a basis for planning a wireless system: coverage (mean power), fading statistics, power delay profile and associated parameters, such as the rms delay spread and the coherent bandwidth.

[1]  W. Burnside,et al.  High frequency scattering by a thin lossless dielectric slab , 1983 .

[2]  H. Hoffman,et al.  Attenuation of 900 MHz radio waves propagating into a metal building , 1982 .

[3]  R.L. Hamilton,et al.  Ray tracing as a design tool for radio networks , 1991, IEEE Network.

[4]  R. Luebbers.  Finite conductivity uniform GTD versus knife edge diffraction in prediction of propagation path loss , 1984 .

[5]  W. Chew.  Waves and Fields in Inhomogeneous Media , 1990 .

[6]  Theodore S. Rappaport,et al.  Site-Specific Propagation Prediction for PCS System Design , 1993 .

[7]  Henry L. Bertoni,et al.  Pulse propagation characteristics at 2.4 GHz inside buildings , 1996 .

[8]  Improvement of the UTD formulation for diffraction of an electromagnetic wave by a dielectric wedge , 1997 .

[9]  D. C. Cox,et al.  Measurements of 800-MHz radio transmission into buildings with metallic walls , 1983, The Bell System Technical Journal.

[10]  J. Tarng,et al.  Three-dimensional modeling of 900-MHz and 2.44-GHz radio propagation in corridors , 1997 .

[11]  Ramjee Prasad,et al.  Wideband indoor channel measurements and BER analysis of frequency selective multipath channels at 2.4, 4.75, and 11.5 GHz , 1996, IEEE Trans. Commun..

[12]  H. L. Bertoni,et al.  Transmission and reflection properties of interior walls , 1994, Proceedings of 1994 3rd IEEE International Conference on Universal Personal Communications.

[13]  F. Ikegami,et al.  Analysis of multipath propagation structure in urban mobile radio environments , 1980 .

[14]  Christopher L. Holloway,et al.  Analysis of composite walls and their effects on short-path propagation modeling , 1997 .

[15]  W. Wiesbeck,et al.  The influence of land usage on UHF wave propagation in the receiver near range , 1997 .

[16]  R. Bultitude.  Measurement, characterization and modeling of indoor 800/900 MHz radio channels for digital communications , 1987, IEEE Communications Magazine.

[17]  Theodore S. Rappaport,et al.  Statistical channel impulse response models for factory and open plan building radio communicate system design , 1991, IEEE Trans. Commun..

[18]  Shin-Hon Chen,et al.  SBR image approach for radio wave propagation in tunnels with and without traffic , 1996 .

[19]  Werner Wiesbeck,et al.  A versatile wave propagation model for the VHF/UHF range considering three-dimensional terrain , 1992 .

[20]  H. Hashemi,et al.  The indoor radio propagation channel , 1993, Proc. IEEE.

[21]  A. G. Williamson,et al.  Radiowave propagation into and within a building at 927 MHz , 1987 .

[22]  Derek A. McNamara,et al.  Introduction to the Uniform Geometrical Theory of Diffraction , 1990 .

[23]  D.L. Schilling,et al.  Urban/suburban out-of-sight propagation modeling , 1992, IEEE Communications Magazine.

[24]  David F. Rogers,et al.  Procedural Elements for Computer Graphics , 1984 .

[25]  Shyh-Kang Jeng,et al.  An SBR/image approach for radio wave propagation in indoor environments with metallic furniture , 1997 .

[26]  Henry L. Bertoni,et al.  Mechanisms governing UHF propagation on single floors in modern office buildings , 1992 .

[27]  Werner Wiesbeck,et al.  Evaluation and verification of the VHF/UHF propagation channel based on a 3-D-wave propagation model , 1996 .

[28]  B. Glance,et al.  Frequency-Selective Fading Effects in Digital Mobile Radio with Diversity Combining , 1983, IEEE Trans. Commun..

[29]  Enric Torres,et al.  Optimization of the Binary Space Partition Algorithm (BSP) for the Visualization of Dynamic Scenes , 1990, Eurographics.

[30]  Soon Yim Tan,et al.  A microcellular communications propagation model based on the uniform theory of diffraction and multiple image theory , 1996 .