New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power
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EDP Sciences
2021
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my.unimap-692532021-01-06T01:02:42Z New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power Norizan Mohamed, Nawawi Anuar, Mat Safar Junita, Mohd Nordin Mohd Rashidi, Che Beson norizan1123@gmail.com Optical Code Division Multiple Access (OCDMA) Orthogonal Frequency Division Multiplexing (OFDM) Link to publisher's homepage at https://www.matec-conferences.org/ This paper proposes an integration of optical Code Division Multiple Access (OCDMA) with new catenated Orthogonal Frequency Division Multiplexing (OFDM) modulation scheme. This effective combination based on Zero Cross Correlation (ZCC) code can enhanced the system capacity and increased spectral efficiency by fully utilizing the available electrical bandwidth. We investigate the performance of the proposed system for various number of user, number of weight and effective power. The performance assessment is carried out by means of the signal to noise ratio (SNR) and bit error rate (BER) for up to five catenated OFDM bands transmitted simultaneously through optical link at 622 Mbps. More specifically, mathematical expressions for SNR and BER performance are derived. The corresponding numerical results are presented and compared with traditional OCDMA-ZCC system to verified the feasibility of the proposed system. The results show that with OCDMA/catenated-OFDM based on ZCC code provides 86% more number of permissible user for SNR of 15 dB. In addition, this integration provides higher receiver sensitivity; an approximately –22.5 dBm for 20 number of user with 8 number of weight. It is also found that, to accommodate more user, the system requires higher effective power at the receiver. 2021-01-06T01:02:42Z 2021-01-06T01:02:42Z 2017 Article MATEC Web of Conferences, vol.140, 2017, 5 pages 2261-236X (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/69253 https://doi.org/10.1051/matecconf/201714001015 en 2017 International Conference on Emerging Electronic Solutions for IoT (ICEESI 2017); EDP Sciences |
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| language |
English |
| topic |
Optical Code Division Multiple Access (OCDMA) Orthogonal Frequency Division Multiplexing (OFDM) |
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Optical Code Division Multiple Access (OCDMA) Orthogonal Frequency Division Multiplexing (OFDM) Norizan Mohamed, Nawawi Anuar, Mat Safar Junita, Mohd Nordin Mohd Rashidi, Che Beson New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power |
| description |
Link to publisher's homepage at https://www.matec-conferences.org/ |
| author2 |
norizan1123@gmail.com |
| author_facet |
norizan1123@gmail.com Norizan Mohamed, Nawawi Anuar, Mat Safar Junita, Mohd Nordin Mohd Rashidi, Che Beson |
| format |
Article |
| author |
Norizan Mohamed, Nawawi Anuar, Mat Safar Junita, Mohd Nordin Mohd Rashidi, Che Beson |
| author_sort |
Norizan Mohamed, Nawawi |
| title |
New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power |
| title_short |
New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power |
| title_full |
New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power |
| title_fullStr |
New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power |
| title_full_unstemmed |
New catenated OFDM modulation scheme in zero cross correlation OCDMA at various number of user and effective power |
| title_sort |
new catenated ofdm modulation scheme in zero cross correlation ocdma at various number of user and effective power |
| publisher |
EDP Sciences |
| publishDate |
2021 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/69253 |
| _version_ |
1698698579774799872 |