Design and development of sequential algorithm (SeQ) code for OCDMA system
Presents a method for development of a new novel in optical code for Optical Code Division Multiple Access (OCDMA) system using Spectral Amplitude Coding (SAC). The proposed code is called Sequential Algorithm (SeQ) code. From theory, the proposed method is to construct optical codes with a combi...
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my-unimap-767402022-11-08T03:13:14Z Design and development of sequential algorithm (SeQ) code for OCDMA system Mohd Rashidi, Che Beson, Dr. Presents a method for development of a new novel in optical code for Optical Code Division Multiple Access (OCDMA) system using Spectral Amplitude Coding (SAC). The proposed code is called Sequential Algorithm (SeQ) code. From theory, the proposed method is to construct optical codes with a combination of tridiagonal matrix and identify matrix code. This SeQ code is constructed with simple code construction for any number of users and weight, various cross correlation and having minimum code length. SeQ code has been designed with cross correlation is equaling to zero and one due to the effects of Multiple Access Interference (MAI) thus to prevent from overlapping of spectra from each users. These codes are easy to construct, simple and have better noise performance compared with existing optical codes such as Flexible Cross Correlation (FCC), Dynamic Cyclic Shift (DCS), Modified Frequency Hopping (MFH) and Modified Double Weight (MDW) code. The requirement in OCDMA systems to enhanced performance of BER is the reason why these codes has been designed. The performances of SeQ code has been done via theoretical analysis and simulated performances analysis via utilizing commercial simulation software, Optisystem by OptiwaveTM. The performance of the systems was characterized by referring the Bit Error Rate (BER), signal-to-noise ratio (SNR), bit rate and effective received power. This research finds strong performance of SeQ code when compared between theoretical and analysis performance and the result was proportional each other. Therefore, SeQ code has enhanced the OCDMA system better than existing codes. Universiti Malaysia Perlis (UniMAP) Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76740 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76740/4/license.txt 8a4605be74aa9ea9d79846c1fba20a33 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76740/1/Page%201-24.pdf b8de9bb842efe3c1593347aaa00378ef http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76740/2/Full%20text.pdf 8df2f937ba6b9bc69f91bbb451408af8 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76740/3/Declaration%20Form.pdf ce140a18ef7b10dc1ad5dcff492e3b39 Universiti Malaysia Perlis (UniMAP) Code division multiple access Optical communications Telecommunication systems Computer algorithms Computer programming Sequential processing (Computer science) School of Computer and Communication Engineering |
| institution |
Universiti Malaysia Perlis |
| collection |
UniMAP Institutional Repository |
| language |
English |
| advisor |
Mohd Rashidi, Che Beson, Dr. |
| topic |
Code division multiple access Optical communications Telecommunication systems Computer algorithms Computer programming Sequential processing (Computer science) |
| spellingShingle |
Code division multiple access Optical communications Telecommunication systems Computer algorithms Computer programming Sequential processing (Computer science) Design and development of sequential algorithm (SeQ) code for OCDMA system |
| description |
Presents a method for development of a new novel in optical code for Optical
Code Division Multiple Access (OCDMA) system using Spectral Amplitude Coding (SAC).
The proposed code is called Sequential Algorithm (SeQ) code. From theory, the proposed
method is to construct optical codes with a combination of tridiagonal matrix and identify
matrix code. This SeQ code is constructed with simple code construction for any number of
users and weight, various cross correlation and having minimum code length. SeQ code has
been designed with cross correlation is equaling to zero and one due to the effects of Multiple
Access Interference (MAI) thus to prevent from overlapping of spectra from each users.
These codes are easy to construct, simple and have better noise performance compared with
existing optical codes such as Flexible Cross Correlation (FCC), Dynamic Cyclic Shift
(DCS), Modified Frequency Hopping (MFH) and Modified Double Weight (MDW) code.
The requirement in OCDMA systems to enhanced performance of BER is the reason why
these codes has been designed. The performances of SeQ code has been done via theoretical
analysis and simulated performances analysis via utilizing commercial simulation software,
Optisystem by OptiwaveTM. The performance of the systems was characterized by referring
the Bit Error Rate (BER), signal-to-noise ratio (SNR), bit rate and effective received power.
This research finds strong performance of SeQ code when compared between theoretical and
analysis performance and the result was proportional each other. Therefore, SeQ code has
enhanced the OCDMA system better than existing codes. |
| format |
Thesis |
| title |
Design and development of sequential algorithm (SeQ) code for OCDMA system |
| title_short |
Design and development of sequential algorithm (SeQ) code for OCDMA system |
| title_full |
Design and development of sequential algorithm (SeQ) code for OCDMA system |
| title_fullStr |
Design and development of sequential algorithm (SeQ) code for OCDMA system |
| title_full_unstemmed |
Design and development of sequential algorithm (SeQ) code for OCDMA system |
| title_sort |
design and development of sequential algorithm (seq) code for ocdma system |
| granting_institution |
Universiti Malaysia Perlis (UniMAP) |
| granting_department |
School of Computer and Communication Engineering |
| url |
http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76740/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76740/2/Full%20text.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/76740/3/Declaration%20Form.pdf |
| _version_ |
1776104274640502784 |