Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems

This research produces a novel space diversity scheme based on geometrical concept for optimizing the Signal to Noise Ratio (SNR) of the equal-gain Multiple Input and Single Output (MISO) communication system. In the second stage, this method is extended to Multiple Input and Multiple Output (...

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Main Author:	Faedfar, Yaser
Format:	Thesis
Language:	English
Published:	2013
Subjects:	TK1-9971 Electrical engineering Electronics Nuclear engineering
Online Access:	http://eprints.usm.my/44030/1/Yaser%20Faedfar24.pdf
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id	my-usm-ep.44030
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spelling	my-usm-ep.440302019-04-12T05:26:12Z Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems 2013-06 Faedfar, Yaser TK1-9971 Electrical engineering. Electronics. Nuclear engineering This research produces a novel space diversity scheme based on geometrical concept for optimizing the Signal to Noise Ratio (SNR) of the equal-gain Multiple Input and Single Output (MISO) communication system. In the second stage, this method is extended to Multiple Input and Multiple Output (MIMO) systems. These methods are proposed to solve the main problems of the conventional closed-loop MISO and MIMO systems such as high Complexity, feedback delay, the unknown average SNRs, dependant on transmit antennas, non-adaptivity to channels, and phase ambiguity. In the third stage, the structure of the proposed Scalar Equal Gain Transmission and Generalized Maximum Ratio Combining (SEGT/GMRC) scheme is followed to design the limited-feedback codebooks for MISO and MIMO systems which provide a different methodology as compared to the previous well-known codebooks. The proposed quantized equal-gain (QE) codebooks, requires the minimum number of feedback bits to form the beamforming vector. In the fourth stage, the proposed QE codebooks are employed to provide the distributed spatial diversity in a wireless relay network. Since transmit antennas are independent, the extension to relay network is straightforward. The new design is named Distributed QE (DQE) codebooks, in which each relay node stores a QE codebook. In this research, the wireless open-access research platform (WARP) is employed for prototyping the proposed QE codebooks. The proposed new geometrical space diversity system eliminates the searching process and serves as the optimal system for equal-gain MISO transmission systems. 2013-06 Thesis http://eprints.usm.my/44030/ http://eprints.usm.my/44030/1/Yaser%20Faedfar24.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Elektrik & Elektronik
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	TK1-9971 Electrical engineering Electronics Nuclear engineering
spellingShingle	TK1-9971 Electrical engineering Electronics Nuclear engineering Faedfar, Yaser Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems
description	This research produces a novel space diversity scheme based on geometrical concept for optimizing the Signal to Noise Ratio (SNR) of the equal-gain Multiple Input and Single Output (MISO) communication system. In the second stage, this method is extended to Multiple Input and Multiple Output (MIMO) systems. These methods are proposed to solve the main problems of the conventional closed-loop MISO and MIMO systems such as high Complexity, feedback delay, the unknown average SNRs, dependant on transmit antennas, non-adaptivity to channels, and phase ambiguity. In the third stage, the structure of the proposed Scalar Equal Gain Transmission and Generalized Maximum Ratio Combining (SEGT/GMRC) scheme is followed to design the limited-feedback codebooks for MISO and MIMO systems which provide a different methodology as compared to the previous well-known codebooks. The proposed quantized equal-gain (QE) codebooks, requires the minimum number of feedback bits to form the beamforming vector. In the fourth stage, the proposed QE codebooks are employed to provide the distributed spatial diversity in a wireless relay network. Since transmit antennas are independent, the extension to relay network is straightforward. The new design is named Distributed QE (DQE) codebooks, in which each relay node stores a QE codebook. In this research, the wireless open-access research platform (WARP) is employed for prototyping the proposed QE codebooks. The proposed new geometrical space diversity system eliminates the searching process and serves as the optimal system for equal-gain MISO transmission systems.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Faedfar, Yaser
author_facet	Faedfar, Yaser
author_sort	Faedfar, Yaser
title	Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems
title_short	Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems
title_full	Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems
title_fullStr	Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems
title_full_unstemmed	Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems
title_sort	geometrical space diversity and distributed space diversity techniques for wireless communication systems
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Kejuruteraan Elektrik & Elektronik
publishDate	2013
url	http://eprints.usm.my/44030/1/Yaser%20Faedfar24.pdf
_version_	1747821322348527616

Geometrical Space Diversity And Distributed Space Diversity Techniques For Wireless Communication Systems

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