NDLI: TSNU-PSTD modeling of a simplified indoor wave propagation for wireless network communications

Content Provider	IEEE Xplore Digital Library
Author	Xiaoping Liu Yinchao Chen
Copyright Year	2002
Description	Author affiliation: South Carolina Univ., Columbia, SC, USA (Xiaoping Liu)
Abstract	In this research, we develop a transformed-space, nonuniform pseudo-spectral time domain (TSNU-PSTD) Maxwell solver for modeling a simplified indoor wave propagation in a multilayer dielectric system for wireless local area network (WLAN) communications. Herein, we transform a nonuniform grid {x/sub i/} to a uniform one {u/sub i/} to fit for dimensions of practical structures prior to applying the standard fast Fourier transform (FFT). It is reported that this scheme is as efficient as the conventional uniform PSTD with a computational complexity of O(NlogN) since the difference is only the factor of du/dx between the conventional PSTD and the TSNU-PSTD techniques. An initial-condition excitation of a Gaussian pulse over the entire computational domain is employed as the initial excitation to eliminate undesired Gibbs phenomena, which could seriously deteriorate the implementation of the PSTD. An anisotropic version of the Berenger perfectly matched layers (APML) is used to suppress the wraparound effect at the two ends of the computational domain, which is caused by the periodicity of the FFT.
Sponsorship	IEEE Region 3
Starting Page	205
Ending Page	209
File Size	298048
Page Count	5
File Format	PDF
ISBN	0780372522
DOI	10.1109/SECON.2002.995587
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-04-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless networks Fast Fourier transforms Finite difference methods Time domain analysis Perfectly matched layers Wireless LAN Computational complexity Grid computing Equations Computer networks
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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