Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance

The challenge of creating a new environment of links for wireless infrared and optical local area networks CLANs) is driving new innovations in the design of optical transceivers. This thesis is concemed with a systematic approach to the design of receivers for indoor optical wireless communic...

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Main Author: Abdullah, Mohammad Faiz Liew
Format: Thesis
Language:English
Published: 2006
Subjects:
Online Access:http://eprints.uthm.edu.my/7669/1/24p%20MOHAMMAD%20FAIZ%20LIEW%20ABDULLAH.pdf
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spelling my-uthm-ep.76692022-09-08T02:40:56Z Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance 2006-12 Abdullah, Mohammad Faiz Liew TK Electrical engineering. Electronics Nuclear engineering TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television The challenge of creating a new environment of links for wireless infrared and optical local area networks CLANs) is driving new innovations in the design of optical transceivers. This thesis is concemed with a systematic approach to the design of receivers for indoor optical wireless communication. In particular, it is concemed with how to offer bandwidth adjustment capability in a receiver according to the dynamic service quality of the incoming signals. Another part of the discussion of the thesis is how one can properly choose the front-end preamplifier and biasing circuitry for the photodetector. Also, comparison is made between different types of amplifier, and the methods of bandwidth enhancement. The designs of six different teclmiques of integrating transimpedance amplifiers, with photo detectors to adapt an adjustable bandwidth control receiver are discussed. The proposed topologies provide an adjustable range of bandwidths for different frequency ranges, typically between 52Hz to 115MHz. The composite technique designs were used to incorporate into a system with an automatic gain control to study its effect, on an optical wireless receiver which had bandwidth adjustment and automatic gain adjustment. Theoretical analysis of noise perfom1ance for all the designed circuits is also presented. The theory and design of obstacles of indoor optical wireless receiver delivery, in addition to techniques for mitigating these effects, are discussed. This shows that infrared is a viable altemative to radio for certain applications. 2006-12 Thesis http://eprints.uthm.edu.my/7669/ http://eprints.uthm.edu.my/7669/1/24p%20MOHAMMAD%20FAIZ%20LIEW%20ABDULLAH.pdf text en public phd doctoral University of Warwick School of Engineering, Division of Electrical and Electronic Engineering
institution Universiti Tun Hussein Onn Malaysia
collection UTHM Institutional Repository
language English
topic TK Electrical engineering
Electronics Nuclear engineering
TK Electrical engineering
Electronics Nuclear engineering
spellingShingle TK Electrical engineering
Electronics Nuclear engineering
TK Electrical engineering
Electronics Nuclear engineering
Abdullah, Mohammad Faiz Liew
Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance
description The challenge of creating a new environment of links for wireless infrared and optical local area networks CLANs) is driving new innovations in the design of optical transceivers. This thesis is concemed with a systematic approach to the design of receivers for indoor optical wireless communication. In particular, it is concemed with how to offer bandwidth adjustment capability in a receiver according to the dynamic service quality of the incoming signals. Another part of the discussion of the thesis is how one can properly choose the front-end preamplifier and biasing circuitry for the photodetector. Also, comparison is made between different types of amplifier, and the methods of bandwidth enhancement. The designs of six different teclmiques of integrating transimpedance amplifiers, with photo detectors to adapt an adjustable bandwidth control receiver are discussed. The proposed topologies provide an adjustable range of bandwidths for different frequency ranges, typically between 52Hz to 115MHz. The composite technique designs were used to incorporate into a system with an automatic gain control to study its effect, on an optical wireless receiver which had bandwidth adjustment and automatic gain adjustment. Theoretical analysis of noise perfom1ance for all the designed circuits is also presented. The theory and design of obstacles of indoor optical wireless receiver delivery, in addition to techniques for mitigating these effects, are discussed. This shows that infrared is a viable altemative to radio for certain applications.
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Abdullah, Mohammad Faiz Liew
author_facet Abdullah, Mohammad Faiz Liew
author_sort Abdullah, Mohammad Faiz Liew
title Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance
title_short Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance
title_full Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance
title_fullStr Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance
title_full_unstemmed Techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance
title_sort techniques for signal to noise ratio adaptation in infared optical wireless for optimisation of receiver performance
granting_institution University of Warwick
granting_department School of Engineering, Division of Electrical and Electronic Engineering
publishDate 2006
url http://eprints.uthm.edu.my/7669/1/24p%20MOHAMMAD%20FAIZ%20LIEW%20ABDULLAH.pdf
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