Resource allocation framework for downlink subframe of mobile WiMAX

Mobile WiMAX technology is anticipated to be one of the technologies that dominate to meet the requirements of modern wireless communication systems, it is mobile broadband wireless communication system based on OFDM technique and it uses multiple-access version OFDMA to deliver high-speed data....

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Main Author:	Zaid Ghanim Ali, Al-Aqeedi
Format:	Thesis
Language:	English
Subjects:	Mobile WiMAX Wireless communication systems Downlink resources Downlink subframe
Online Access:	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44122/1/p.%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44122/2/full%20text.pdf
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spelling	my-unimap-441222016-11-22T07:07:19Z Resource allocation framework for downlink subframe of mobile WiMAX Zaid Ghanim Ali, Al-Aqeedi Mobile WiMAX technology is anticipated to be one of the technologies that dominate to meet the requirements of modern wireless communication systems, it is mobile broadband wireless communication system based on OFDM technique and it uses multiple-access version OFDMA to deliver high-speed data. Multiple-access technique allows many users to request high data rates in finite resources of the downlink channel. Management of shared downlink resources strictly affect the performance of mobile WiMAX base station, due to downlink resource allocation is complex decision which require to quantify many aspects that influence the performance of network operator and users’ satisfaction. The main and common problem of the resource allocation management is the resource wastage, due to management flaw in resource allocation algorithm, which is responsible for maximizing the resources utilization. Resource wastage is directly translated to decline in the overall performance of Mobile WiMAX system, since it represents a bandwidth shortage which adversely affects all Mobile WiMAX system participants and vice versa. In this thesis a novel design of dynamic resource allocation algorithm for Mobile WiMAX base station is proposed. The proposed allocation algorithm is called Sequential Burst Allocation (SBA) algorithm. SBA algorithm focuses on minimizing the wasted resources to increase the utilization efficiency of the downlink channel resources. SBA algorithm takes advantages of the physical layer specification to satisfy mobile users’ requirements, and utilizes downlink channel structure to reduce the redundant information in the downlink overhead and to manipulate resource allocation in innovative method. SBA design preserves users’ priorities and minimizes power consumption at mobile stations. The performance evaluations, comparisons and analysis showed that SBA is a low complexity algorithm that overcomes the restriction and difficulties of allocating users’ resources and achieves significantly minimization in resource wastage, which increases data transfer rate in the downlink direction to contribute in supporting the presented quality of service. Results showed that SBA algorithm achieves 97.54% utilization efficiency of the downlink channel and stable performance under various operating parameters, which lead to increase number of users per base station and enhance system capacity. A new method of overall performance assessment and comparison for resource allocation algorithms is proposed. It showed that SBA algorithm achieves the highest percentage (90.13%) of overall performance. Universiti Malaysia Perlis (UniMAP) 2014 Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/44122 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44122/1/p.%201-24.pdf 8d5e0cfafce23ce7658dfd9f8e08808c http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44122/2/full%20text.pdf fdd95eb2177b9ee5bbaf26a7b6e402b3 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44122/3/license.txt 8a4605be74aa9ea9d79846c1fba20a33 Mobile WiMAX Wireless communication systems Downlink resources Downlink subframe School of Computer and Communication Engineering
institution	Universiti Malaysia Perlis
collection	UniMAP Institutional Repository
language	English
topic	Mobile WiMAX Wireless communication systems Downlink resources Downlink subframe
spellingShingle	Mobile WiMAX Wireless communication systems Downlink resources Downlink subframe Zaid Ghanim Ali, Al-Aqeedi Resource allocation framework for downlink subframe of mobile WiMAX
description	Mobile WiMAX technology is anticipated to be one of the technologies that dominate to meet the requirements of modern wireless communication systems, it is mobile broadband wireless communication system based on OFDM technique and it uses multiple-access version OFDMA to deliver high-speed data. Multiple-access technique allows many users to request high data rates in finite resources of the downlink channel. Management of shared downlink resources strictly affect the performance of mobile WiMAX base station, due to downlink resource allocation is complex decision which require to quantify many aspects that influence the performance of network operator and users’ satisfaction. The main and common problem of the resource allocation management is the resource wastage, due to management flaw in resource allocation algorithm, which is responsible for maximizing the resources utilization. Resource wastage is directly translated to decline in the overall performance of Mobile WiMAX system, since it represents a bandwidth shortage which adversely affects all Mobile WiMAX system participants and vice versa. In this thesis a novel design of dynamic resource allocation algorithm for Mobile WiMAX base station is proposed. The proposed allocation algorithm is called Sequential Burst Allocation (SBA) algorithm. SBA algorithm focuses on minimizing the wasted resources to increase the utilization efficiency of the downlink channel resources. SBA algorithm takes advantages of the physical layer specification to satisfy mobile users’ requirements, and utilizes downlink channel structure to reduce the redundant information in the downlink overhead and to manipulate resource allocation in innovative method. SBA design preserves users’ priorities and minimizes power consumption at mobile stations. The performance evaluations, comparisons and analysis showed that SBA is a low complexity algorithm that overcomes the restriction and difficulties of allocating users’ resources and achieves significantly minimization in resource wastage, which increases data transfer rate in the downlink direction to contribute in supporting the presented quality of service. Results showed that SBA algorithm achieves 97.54% utilization efficiency of the downlink channel and stable performance under various operating parameters, which lead to increase number of users per base station and enhance system capacity. A new method of overall performance assessment and comparison for resource allocation algorithms is proposed. It showed that SBA algorithm achieves the highest percentage (90.13%) of overall performance.
format	Thesis
author	Zaid Ghanim Ali, Al-Aqeedi
author_facet	Zaid Ghanim Ali, Al-Aqeedi
author_sort	Zaid Ghanim Ali, Al-Aqeedi
title	Resource allocation framework for downlink subframe of mobile WiMAX
title_short	Resource allocation framework for downlink subframe of mobile WiMAX
title_full	Resource allocation framework for downlink subframe of mobile WiMAX
title_fullStr	Resource allocation framework for downlink subframe of mobile WiMAX
title_full_unstemmed	Resource allocation framework for downlink subframe of mobile WiMAX
title_sort	resource allocation framework for downlink subframe of mobile wimax
granting_institution	Universiti Malaysia Perlis (UniMAP)
granting_department	School of Computer and Communication Engineering
url	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44122/1/p.%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/44122/2/full%20text.pdf
_version_	1747836824453120000

Resource allocation framework for downlink subframe of mobile WiMAX

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