An innovative encoding/decoding architecture based on two-code keying for SAC-OCDMA systems

Al-Khafaji, Hamza M. R.; Ngah, Razali; Aljunid, S. A.; Rahman, Tharek Abd

doi:10.1109/icp.2014.7002370

Cited by 3 publications

(1 citation statement)

References 14 publications

(12 reference statements)

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“…The multiple-access interference (MAI) and Phase Induced Intensity Noise (PIIN) is reduced in OCDMA is accomplished through SAC-OCDMA system that uses a code with the most important minimum cross-correlation and high autocorrelation property. Hence, the ZCC code is the best code with its uniqueness of zero cross-correlation [1][2][3][4]. The ZCC code is a simple binary code designed pattern.…”

Section: Introductionmentioning

confidence: 99%

Development of a New Sac-Ocdma ZCC Code System Using DWDM for Enhancing User Capacity

Thapar¹

2017

ijarcs

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Zero Cross-Correlation (ZCC) code is a standout amongst the most helpful codes in Spectral Amplitude Coding-Optical Code Division Multiple Access (SAC-OCDMA) system because of its features like zero cross-correlation and another is high auto-correlation. But, as the number of users increases, the performance gets degraded for long-range communication. So in this paper, an effort has been put to enhance the degraded system using Dense Wavelength Division Multiplexing (DWDM). Method: SAC-OCDMA is an inseparable part of the global optical communication systems. It consists of various consumers' demands like capability for high speed, high bit-rate, security and high bandwidth for advanced services in local area networks and metropolitan area networks. The combination of SAC-OCDMA system with DWDM makes it conceivable to create other codes like Multi-Diagonal (MD) and Random-Diagonal (RD). The simulative analysis is performed using Optisystem11.0. Findings: Our results show that the number of users increases ten times by using a combination of 20-channel DWDM and SAC-OCDMA ZCC code system at a bit-rate of 10Gbps for 60 Kms.

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Section: Introductionmentioning

confidence: 99%

Development of a New Sac-Ocdma ZCC Code System Using DWDM for Enhancing User Capacity

Thapar¹

2017

ijarcs

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Design of Hybrid DWDM and SAC-OCDMA System Utilizing ZCC Code to Enhance User Volume

Sarangal

Singh

Malhotra³

et al. 2018

International Conference on Intelligent Data Communication Technologies and Internet of Things (ICICI) 2018

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Spectrally Efficient SAC-OCDMA System Using a New Two-Code Keying Scheme

Al-Khafaji¹,

Ngah²,

Mousa³

et al. 2016

IJICS

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This paper introduces a new two-code keying scheme for increasing the spectral efficiency (SE) of spectral-amplitude-coding optical code-division multiple-access (SAC-OCDMA) system. The analytical expression is derived for the SE of SAC-OCDMA system based on the proposed scheme utilizing multi-diagonal (MD) code. The theoretical results demonstrate that the suggested scheme has an improved SE performance over the conventional unipolar encoding with direct detection technique. This SE enhancement is verified in simulation experiments.

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An innovative encoding/decoding architecture based on two-code keying for SAC-OCDMA systems

Cited by 3 publications

References 14 publications

Development of a New Sac-Ocdma ZCC Code System Using DWDM for Enhancing User Capacity

Development of a New Sac-Ocdma ZCC Code System Using DWDM for Enhancing User Capacity

Design of Hybrid DWDM and SAC-OCDMA System Utilizing ZCC Code to Enhance User Volume

Spectrally Efficient SAC-OCDMA System Using a New Two-Code Keying Scheme

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