Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems

Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems

A massive grown specifically for internet users worldwide encourages the service provider along with the researchers to explore an appropriate telecommunication technology that is beneficial to the users. Uniquely, as compared to other multiple access techniques, Optical Code Division Multiple Acce...

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Format: Thesis
Language:English
Subjects:
Code division multiple access
Wavelength division multiplexing
Optical communication
Online Access:http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/1/Page%201-24.pdf
http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/2/Full%20text.pdf
http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/3/Declaration%20Form.pdf
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spelling my-unimap-766602022-11-01T01:47:26Z Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems Syed Alwee Aljunid, Syed Junid, Prof. Dr. A massive grown specifically for internet users worldwide encourages the service provider along with the researchers to explore an appropriate telecommunication technology that is beneficial to the users. Uniquely, as compared to other multiple access techniques, Optical Code Division Multiple Access (OCDMA) technique can be utilized in optical access network with full services on demand, such as internet protocol, video on demand, tele-presence and high quality audio. In spite of the robustness of OCDMA, the existence of Multiple Access Interference (MAI) and Phase Induced Intensity Noise (PIIN) in the system affects its performance. In fact, MAI is well known as a key factor of performance deterioration in the OCDMA system. For that reason, in this thesis, an investigation was conducted to explore on signature code that can minimize the MAI and PIIN. Another motivation of this study is to discover a signature code that can accommodate a huge number of simultaneous users which is in line with the recent demands. Consequently, two-dimensional (2-D) Flexible Cross Correlation-Modified Double Weight (FCC-MDW) code with Wavelength/Time (W/T) scheme is proposed and demonstrated. Basically, the construction of 2-D FCC-MDW code is formed by merging of two one-dimensional (1-D) OCDMA code known as 1-D FCC and 1-D MDW codes. The development of the code begins by assigning 1-D MDW code as a wavelength encoding pattern and 1-D FCC code sequences as timespreading patterns. Furthermore, in order to mitigate MAI, the encoder and decoder of new 2-D FCC-MDW is designed based on double balanced detection. This thesis provides mathematical and simulation analysis in order to investigate the performance new 2-D FCC-MDW. The combination of wavelength domain and time domain leads to the good property of cross correlation. As a result, mitigation of MAI by the help of double balance detection decoder design, PIIN suppression can be achieved optimally. Universiti Malaysia Perlis (UniMAP) Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76660 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/4/license.txt 8a4605be74aa9ea9d79846c1fba20a33 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/1/Page%201-24.pdf c095ad11e54b2609560931a8d6920dc9 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/2/Full%20text.pdf 7cb0776e692c91b14d70b93643836ef4 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/3/Declaration%20Form.pdf 3a6cb603f6e91e95fb7c94634f534152 Universiti Malaysia Perlis (UniMAP) Code division multiple access Wavelength division multiplexing Optical communication School of Computer and Communication Engineering
institution Universiti Malaysia Perlis
collection UniMAP Institutional Repository
language English
advisor Syed Alwee Aljunid, Syed Junid, Prof. Dr.
topic Code division multiple access
Wavelength division multiplexing
Optical communication
spellingShingle Code division multiple access
Wavelength division multiplexing
Optical communication
Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems
description A massive grown specifically for internet users worldwide encourages the service provider along with the researchers to explore an appropriate telecommunication technology that is beneficial to the users. Uniquely, as compared to other multiple access techniques, Optical Code Division Multiple Access (OCDMA) technique can be utilized in optical access network with full services on demand, such as internet protocol, video on demand, tele-presence and high quality audio. In spite of the robustness of OCDMA, the existence of Multiple Access Interference (MAI) and Phase Induced Intensity Noise (PIIN) in the system affects its performance. In fact, MAI is well known as a key factor of performance deterioration in the OCDMA system. For that reason, in this thesis, an investigation was conducted to explore on signature code that can minimize the MAI and PIIN. Another motivation of this study is to discover a signature code that can accommodate a huge number of simultaneous users which is in line with the recent demands. Consequently, two-dimensional (2-D) Flexible Cross Correlation-Modified Double Weight (FCC-MDW) code with Wavelength/Time (W/T) scheme is proposed and demonstrated. Basically, the construction of 2-D FCC-MDW code is formed by merging of two one-dimensional (1-D) OCDMA code known as 1-D FCC and 1-D MDW codes. The development of the code begins by assigning 1-D MDW code as a wavelength encoding pattern and 1-D FCC code sequences as timespreading patterns. Furthermore, in order to mitigate MAI, the encoder and decoder of new 2-D FCC-MDW is designed based on double balanced detection. This thesis provides mathematical and simulation analysis in order to investigate the performance new 2-D FCC-MDW. The combination of wavelength domain and time domain leads to the good property of cross correlation. As a result, mitigation of MAI by the help of double balance detection decoder design, PIIN suppression can be achieved optimally.
format Thesis
title Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems
title_short Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems
title_full Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems
title_fullStr Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems
title_full_unstemmed Development of new two dimensional FCC-MDW code with wavelength/time scheme in optical code division multiple access (OCDMA) network systems
title_sort development of new two dimensional fcc-mdw code with wavelength/time scheme in optical code division multiple access (ocdma) network systems
granting_institution Universiti Malaysia Perlis (UniMAP)
granting_department School of Computer and Communication Engineering
url http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/1/Page%201-24.pdf
http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/2/Full%20text.pdf
http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76660/3/Declaration%20Form.pdf
_version_ 1776104270835220480

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