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Performance enhancement of OCDMA systems for LAN consideration
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In this study, the performance of optical code‐division‐multiple‐access (OCDMA) systems using 2D optical codes, taking into account an optical channel in local area network context is investigated. The authors demonstrate that one can enhance the 3‐dB multi‐mode fibre baseband bandwidth up to 4 GHz by exciting only two mode groups with the optimal axial launching. It has been demonstrated, that the OCDMA system performance can achieve a very low bit‐error‐rates in the range of −9 dBm. Furthermore, a large number of simultaneous users can be supported. In the authors’ treatment, the effect of both multiple access interference and modal dispersion are considered. Nonetheless, an OCDMA successive interference cancellation receiver is used to foster a better system performance.
Institution of Engineering and Technology (IET)
Title: Performance enhancement of OCDMA systems for LAN consideration
Description:
In this study, the performance of optical code‐division‐multiple‐access (OCDMA) systems using 2D optical codes, taking into account an optical channel in local area network context is investigated.
The authors demonstrate that one can enhance the 3‐dB multi‐mode fibre baseband bandwidth up to 4 GHz by exciting only two mode groups with the optimal axial launching.
It has been demonstrated, that the OCDMA system performance can achieve a very low bit‐error‐rates in the range of −9 dBm.
Furthermore, a large number of simultaneous users can be supported.
In the authors’ treatment, the effect of both multiple access interference and modal dispersion are considered.
Nonetheless, an OCDMA successive interference cancellation receiver is used to foster a better system performance.
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