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Development of OCDMA system in spectral/temporal/spatial domain for non-mapping/MS/MD codes

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Abstract

The paper proposes the extension of three different one-dimensional OCDMA codes into three-dimension OCDMA system for improved performance. The three distinct codes are the non-mapping, MS, and MD. The extensions are such that spectral domain utilises the non-mapping code, time spreading uses the MS code, and spatial domains extend with MD code. The decoder uses the MAI cancellation method to retrieve the information by correlating the codes. In the performance analysis, the impact of phase-induced intensity noise (PIIN), shot noise, and thermal noise is considered. The performance of the proposed system has been evaluated and compared with other reported systems such as 3D-MD, 3D-DEU/DEU/MD, and 2D-MS code. The arrangement of three codes in three dimensions is such that, results improved the system performance. The proposed system accommodates 300 users with a BER of 10–10, while 3D-DEU/DEU/MD, 3D-MD, and 2D-MS codes accommodate 240, 220, and 128 users, respectively. For received power of − 10 dBm, the proposed system shows a BER of 10–71, while 3D-DEU/DEU/MD, 3D-MD, and 2D-MS codes show BERs of 10–40, 10–30, and 10–9, respectively. The performance of the proposed system is also analysed for variable weights.

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Authors and Affiliations

  1. SR University, Warangal, India

    Sumit Gupta & Arpita Baronia

  2. Dambi Dollo University, Dambi Dollo, Ethiopia

    Thomas Samraj Lawrence & V. Saravanan

  3. Chennai Institute of Technology, Chennai, India

    Veeramalai Sankaradass

  4. Srinivas University, Mangaluru, Karnataka, India

    A. Jayanthiladevi

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  1. Sumit Gupta
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  2. Arpita Baronia
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  3. Thomas Samraj Lawrence
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  4. Veeramalai Sankaradass
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  5. V. Saravanan
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  6. A. Jayanthiladevi
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Correspondence to Sumit Gupta.

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Gupta, S., Baronia, A., Lawrence, T.S. et al. Development of OCDMA system in spectral/temporal/spatial domain for non-mapping/MS/MD codes. J Opt 53, 959–967 (2024). https://doi.org/10.1007/s12596-023-01298-4

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  • DOI: https://doi.org/10.1007/s12596-023-01298-4

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