Security performance analysis of an M-code keying OCDMA system |
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| Authors: | Liqiao Qin Hongxi Yin Wei Liang Ziyu Wang Anshi Xu |
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| Affiliation: | (1) State Key Laboratory on Advanced Optical Communication Systems & Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, 100871, China |
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| Abstract: | In this article, an M-code keying OCDMA system with parallel encoders/decoders is presented and its security performance is
quantitatively analyzed. Under brute-force searching techniques, the formula about the average searching time is derived.
The bit-correct-interception possibilities for tapping individual and multiple users’ signals are calculated, respectively.
By analysis, it is shown that the security performance of an OCDMA system can be enhanced by employing M-code keying. |
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| Keywords: | Data transmission security M-code keying Optical codedivision multiple access (OCDMA) |
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