Investigating security of data retrieval for different detection techniques in SAC-OCDMA systems

2014 2nd International Conference on Electronic Design (ICED) Pub Date : 2014-08-01 DOI:10.1109/ICED.2014.7015782

M. Z. Norazimah, S. Aljunid, H. M. Al-Khafaji, M. Anuar

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引用次数: 1

Abstract

Security becomes the critical issue in incoherent spectral amplitude coding optical code division multiple access (SAC-OCDMA) systems. In preventing the unintended users from decoding and extracting the data due to the cross-correlation among code sequences, an ideal detection technique is needed to enhance the security of the SAC-OCDMA systems. In this paper, we study the efficiency of the modified-AND subtraction detection technique as well as conventional AND subtraction detection technique in towards the confidentiality issue. The OptiSystem software is used to simulate the system performance of the mentioned detection approaches. Based on enhanced double weight (EDW) codes, the simulation results revealed that the modified-AND subtraction detection improves the confidentiality of SAC-OCDMA system compared to the conventional AND subtraction detection. The modified-AND subtraction detection technique manage to secured the data from the unintended users to make them only detected a noise with interferer bit-error rate (BER) = 1 and Q-factor = 0.

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研究了在SAC-OCDMA系统中不同检测技术下数据检索的安全性

在非相干波幅编码光码分多址(SAC-OCDMA)系统中，安全性成为关键问题。为了防止由于码序列之间相互关联而导致的非预期用户对数据进行解码和提取，需要一种理想的检测技术来提高SAC-OCDMA系统的安全性。本文研究了改进的与减法检测技术和传统的与减法检测技术在解决机密性问题上的效率。利用OptiSystem软件对上述检测方法的系统性能进行了仿真。基于增强双权码(EDW)的仿真结果表明，与传统的与减检测相比，改进的与减检测提高了SAC-OCDMA系统的保密性。修正与减法检测技术设法保护数据不受意外用户的干扰，使其只检测到干扰误码率(BER) = 1、q因子= 0的噪声。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 2nd International Conference on Electronic Design (ICED)

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