"This dissertation investigates several main challenges to implementing hardware-based wireless fading channel emulators with emphasis on incorporating accurate correlation properties. Multiple-input multiple-output (MIMO) fading channels are usually triply-selective with three types of correlation: temporal correlation, inter-tap correlation, and spatial correlation. The proposed emulators implement the triply-selective fading Channel Impulse Response (CIR) by incorporating the three types of correlation into multiple uncorrelated frequency-flat Rayleigh fading waveforms while meeting real-time requirements for high data-rate, large-sized MIMO, and/or long CIR channels. Specifically, mixed parallel-serial computational structures are implemented for Kronecker products of the correlation matrices, which makes the best tradeoff between computational speed and hardware usage. Five practical fading channel examples are implemented for RF or underwater acoustic MIMO applications. The performance of the hardware emulators are verified with an Altera Field-Programmable Gate Array (FPGA) platform and the results match the software simulators in terms of statistical and correlation properties. The dissertation also contributes to the development of a 2-by-2 MIMO transceiver testbench that is used to measure real-world fading channels. Intensive channel measurements are performed for indoor fixed mobile-to-mobile channels and the estimated CIRs demonstrate the triply-selective correlation properties"--Abstract, page iv.
Zheng, Y. Rosa
Cheng, Maggie Xiaoyan
Grant, Steven L.
Sarangapani, Jagannathan, 1965-
Moss, Randy Hays, 1953-
Electrical and Computer Engineering
Ph. D. in Electrical Engineering
National Science Foundation (U.S.)
United States. Office of Naval Research
Missouri University of Science and Technology
Journal article titles appearing in thesis/dissertation
- Hardware emulation of wideband correlated multiple-input multiple-output fading channels
- Novel emulator for discrete-time MIMO triply-selective fading channels
- Hardware implementation of triply selective Rayleigh fading channel simulators
- Low-complexity hardware implementation of discrete-time frequency-selective Rayleigh fading channels
- Validation of the triply selective fading channel model through a MIMO test bed and experimental results
xiii, 107 pages
© 2011 Fei Ren, All rights reserved.
Dissertation - Open Access
Library of Congress Subject Headings
Field programmable gate arrays
Radio -- Transmitters and transmission -- Fading
Wireless communication systems
Print OCLC #
Electronic OCLC #
Link to Catalog Record
Ren, Fei, "Hardware emulation of wireless communication fading channels" (2011). Doctoral Dissertations. 1912.