Journal Articles

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https://hdl.handle.net/20.500.14170/1818

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Performance enhancement of multiple access 3D-OCDMA networks using a pascal triangle codes

(Springer, 2020)
Abdelhamid Cherifi
;
Hichem Mrabet
;
Boubakar Seddik Bouazza
;
Syed Alwee Aljunid Syed Junid

In this paper, a novel Three Dimensional Pascal’s Triangle Zero Cross Correlation (3D-PTZCC) code is proposed for non coherent Spectral Amplitude Coding Optical Code Division Multiple Access systems with a spectral/time/spatial combination and direct detection at the level of the receiver. The proposed code is based on (1D-PTZCC) and (2D-PTZCC) codes using Pascal’s Triangle rule. Its structure can minimise the receiver complexity of 3D-Perfect/Multi Diagonal (3D-PD/MD) and 3D-Perfect Difference (3D-PD) codes. The simulation results prove that systems using the proposed code can support a high data rate, high signal power and large number of simultaneous users with less power consuming. The code can save the received power by around − 5.5 dBm and − 3.7 dBm and the system capacity can be enhanced by 4.7 and 3.85 times compared to the systems using (3D-PD/MD) and (3D-PD) codes.

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