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Permanent link (DOI): https://doi.org/10.7939/R3RM7J

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Compact and accurate hardware simulation of wireless channels for single and multiple antenna systems Open Access

Descriptions

Other title
Subject/Keyword
Simulation
FPGA
MIMO
Hardware
Fading
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Fouladi Fard, Saeed
Supervisor and department
Schlegel, Christian (Computing Science)
Cockburn, Bruce (Electrical and Computer Engineering)
Examining committee member and department
Wilton, Steven (Electrical and Computer Engineering, University of British Colombia)
Vorobyov, Sergiy (Electrical and Computer Engineering)
Gaudet, Vincent (Electrical and Computer Engineering)
MacGregor, Mike (Computing Science)
Department
Department of Electrical and Computer Engineering
Specialization

Date accepted
2009-09-18T15:17:53Z
Graduation date
2009-11
Degree
Doctor of Philosophy
Degree level
Doctoral
Abstract
The accurate simulation of wireless channels is important since it permits the realistic and repeatable performance measurement of wireless systems. While software simulation is a flexible method for testing hardware models, its long-running simulation time can be prohibitive in many scenarios. Prior to the availability of accurate and standardized channel models, wireless products needed to be verified using extensive and expensive field testing. A far less costly approach is to model the behavior of radio channels on a hardware simulator. Different channel characteristics should be considered to ensure the faithful simulation of wireless propagation. Among the most important characteristics are the path-loss behavior, Doppler frequency, delay distribution, fading distribution, and time, frequency, and space correlation between fading samples across different antennas. Various fading channel models have been proposed for propagation modeling in different scenarios. A good homogeneous field programmable gate array (FPGA) fading simulator needs to accurately reproduce the propagation effects, yet it also needs to be compact and fast to be effectively used for rapid hardware prototyping and simulation. In this thesis, new channel models are proposed for the compact FPGA implementation of fading channel simulators with accurate statistics. Compact hardware implementations for physical and analytical fading channel models are proposed that can simulate fading channels with more than one thousand paths on a single FPGA. We also propose design techniques for accurate and compact statistical fading channel simulation of isotropic and non-isotropic scattering in Rayleigh, Rician, Nakagami-m, and Weibull fading channels. Compact FPGA implementations are presented for multiple-antenna fading simulators for geometric one-ring models, two-ring models, elliptical models, and analytical models including the i.i.d. model, and Kronecker, Weichselberger, and VCR channel models. Finally, a fading simulation and bit error performance evaluation platform is proposed for the rapid baseband prototyping and verification of single- and multiple-antenna wireless systems.
Language
English
DOI
doi:10.7939/R3RM7J
Rights
License granted by Saeed Fouladi Fard (saeedf@ualberta.ca) on 2009-09-02T23:14:50Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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