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A new model to enhance the QoS of spectral amplitude coding-optical code division multiple access system with OFDM technique

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Abstract

A new optical orthogonal frequency division multiplexing technique with spectrum amplitude coding optical code division access (SAC-OCDMA) system is developed to enhance the channel data rate, reduce power, and increase the number of SAC-OCDMA system users. The average received signal-to-noise ratio with inter-modulation distortion of subcarriers is derived. Theoretical results are evaluated based on bit error rate, number of users, data rate, and amount of power saved. The proposed system is then compared with the traditional hybrid sub-carrier multiplexing (SCM)/SAC OCDM. The results show that the proposed system reduces approximately −8 dBm of power and doubles the number of users at a higher data rate than the SCM/SAC-OCDMA system. Proof-of-principle simulations of the proposed system are successfully implemented. Overall, the proposed system performed better than the SCM/SAC-OCDMA system. The system is designed based on modified double weight code, which provides better performance than Hadamard and modified frequency-hopping codes.

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Acknowledgments

The author would like to acknowledge and express sincere appreciation to Universiti Teknologi Malaysia and Ministry of Higher Education for financing this research project under HICoE (Q.J130000.21A2.02E95). Also additional supported by University of Malaya Research Fund (BKP) scheme (BK012-2015) and Rakan Penyelidikan RACE CR006-2015.

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Authors and Affiliations

  1. Faculty of Electrical Engineering, Wireless Communication Centre, Universiti Teknologi Malaysia, Kuala Lumpur, Malaysia

    A. O. Aldhaibani, Tharek A. Rahman & Mhd Nour Hindia

  2. School of Computer and Communication Engineering (CoE ACE- SCCE), Universiti Malaysia Perlis, Kangar, Malaysia

    S. A. Aljunid

  3. Department of Electrical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia

    Effariza Binti Hanafi

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  1. A. O. Aldhaibani
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  2. Tharek A. Rahman
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  3. S. A. Aljunid
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  4. Mhd Nour Hindia
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  5. Effariza Binti Hanafi
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Correspondence to A. O. Aldhaibani.

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Aldhaibani, A.O., Rahman, T.A., Aljunid, S.A. et al. A new model to enhance the QoS of spectral amplitude coding-optical code division multiple access system with OFDM technique. Opt Quant Electron 48, 481 (2016). https://doi.org/10.1007/s11082-016-0750-4

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