Two dimensional (2D) OCDMA encoder/decoder for various industrial application
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Universiti Malaysia Perlis (UniMAP)
2022
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my.unimap-752272022-05-13T08:35:14Z Two dimensional (2D) OCDMA encoder/decoder for various industrial application S. M. A., Aljunid M. A., Anuar A. A. M., Ismail ND., Keraf R., Matem CBM., Rashidi N., Ali M. S., Amirul R., Endut N. A. M. A., Hambali S. A., Aljunid norshamsuri@unimap.edu.my Optical Code Division Multiple Access (OCDMA) Multiple Access Interference (MAI) Flexible Cross-Correlation code (FCC) Field Programming Gate Array (FPGA) Bit Error Rate (BER) Link to publisher's homepage at http://ijneam.unimap.edu.my Future telecommunication systems and networks are expected to provide a variety of integrated broadband services to the customers. There has been a tremendous interest in applying Code Division Multiple Access (CDMA) techniques to fiber optic communication systems. This technique is one of the multiple access schemes that is becoming popular because of the flexibility in the allocation of channels, ability to operate asynchronously, enhanced privacy and increased capacity in bursty networks. This project is focusing on designing 2D OCDMA system with the hardware implementation of design using FPGA. The coding techniques in OCDMA are time versus wavelength and amplitude versus phase. 2D OCDMA coding incorporates both wavelength selection and time distribution. The data bit would be encoded as consecutive chips with various wavelengths. The code architecture seeks to produce codes with high autocorrelation and low cross-correlation properties. Code length is an essential aspect of code and device architecture for coding characteristics. The hardware implementation of the system is designed by using FPGA De1-SoC. The FPGA have the abilities to enhance the transmission of data to the receiver in a short period of time. The performance of 2D OCDMA system is expected to surpass 1D OCDMA system in terms of BER and the number of simultaneous users that can be supported. The system encoder and decoder were designed using optical switch, splitter, combiner and modulator. The performance of 2D OCDMA system in terms of time spreading and wavelength spreading is also compared which shown a huge difference in the results. The best performance of the system is when the number of wavelength (M) is fixed to 18 and the number of times spreading (N) is 31 which can support 350 more simultaneous users. 2022-05-13T08:35:14Z 2022-05-13T08:35:14Z 2021-12 Article International Journal of Nanoelectronics and Materials, vol.14 (Special Issue), 2021, pages 175-182 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/75227 http://ijneam.unimap.edu.my en Universiti Malaysia Perlis (UniMAP) |
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English |
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Optical Code Division Multiple Access (OCDMA) Multiple Access Interference (MAI) Flexible Cross-Correlation code (FCC) Field Programming Gate Array (FPGA) Bit Error Rate (BER) |
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Optical Code Division Multiple Access (OCDMA) Multiple Access Interference (MAI) Flexible Cross-Correlation code (FCC) Field Programming Gate Array (FPGA) Bit Error Rate (BER) S. M. A., Aljunid M. A., Anuar A. A. M., Ismail ND., Keraf R., Matem CBM., Rashidi N., Ali M. S., Amirul R., Endut N. A. M. A., Hambali S. A., Aljunid Two dimensional (2D) OCDMA encoder/decoder for various industrial application |
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Link to publisher's homepage at http://ijneam.unimap.edu.my |
| author2 |
norshamsuri@unimap.edu.my |
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norshamsuri@unimap.edu.my S. M. A., Aljunid M. A., Anuar A. A. M., Ismail ND., Keraf R., Matem CBM., Rashidi N., Ali M. S., Amirul R., Endut N. A. M. A., Hambali S. A., Aljunid |
| format |
Article |
| author |
S. M. A., Aljunid M. A., Anuar A. A. M., Ismail ND., Keraf R., Matem CBM., Rashidi N., Ali M. S., Amirul R., Endut N. A. M. A., Hambali S. A., Aljunid |
| author_sort |
S. M. A., Aljunid |
| title |
Two dimensional (2D) OCDMA encoder/decoder for various industrial application |
| title_short |
Two dimensional (2D) OCDMA encoder/decoder for various industrial application |
| title_full |
Two dimensional (2D) OCDMA encoder/decoder for various industrial application |
| title_fullStr |
Two dimensional (2D) OCDMA encoder/decoder for various industrial application |
| title_full_unstemmed |
Two dimensional (2D) OCDMA encoder/decoder for various industrial application |
| title_sort |
two dimensional (2d) ocdma encoder/decoder for various industrial application |
| publisher |
Universiti Malaysia Perlis (UniMAP) |
| publishDate |
2022 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/75227 |
| _version_ |
1738511722332815360 |
| score |
13.222552 |