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http://hdl.handle.net/20.500.12358/18883
TitleDesign and Optimization Loop Filters in Fixed WiMAX PLL Using LMI Method
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Abstract

Achieving an optimal design of phase-locked loop (PLL) is a major challenge in WiMAX technology in order to improve system behavior against noise and to enhance Quality of Service (QoS). A new loop filter design method for PLL is introduced taking into consideration various design objectives such as small settling time, small overshoot and meeting Fixed WiMAX requirements. Optimizing conflicting objectives is accomplished using semi-Definite programming (especially Linear Matrix Inequality (LMI)) in conjunction with appropriate adjustment of certain design parameters. Infinite Impulse Response (IIR) and Finite Impulse Response (FIR), Digital filters are designed by Semi-Definite Programming (SDP) using SeDuMi (self-dual minimization) toolbox software. Design efficiency and performance of the proposed method are illustrated by simulations and comparisons to other design methods. Simulations showed that the IIR digital low pass filter which was designed by SDP is better than the IIR digital low pass filter which Al-Quqa “in [32]” designed by Linear Programming (LP). Simulations show that the FIR digital low pass which was designed by SDP using SeDuMi software is better than the FIR digital low pass filter which was designed in [32] by SDP using CVX (convex optimization tool) software. The minimum-length FIR filter algorithm was used to proof that the order of the FIR filter which was designed using SDP method and simulated using toolbox software (SeDuMi) is optimal for our design specifications.

Authors
El-batta, Fady Fadel Saleem
Supervisors
El-khozondar, Hala J.
Elaydi, Hatem
Typeرسالة ماجستير
Date2009
LanguageEnglish
Publisherthe islamic university
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  • PhD and MSc Theses- Faculty of Engineering [641]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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