Enhancing Physical-Layer Confidentiality in Optical-CDMA Systems and Networks Using Multicode-Keying Encryption
碩士 === 國立中興大學 === 通訊工程研究所 === 103 === Optical codes with large cardinality and tree structures of multiple subsets of codewords for adjustable code performance and cardinality have recently been proposed. As studied in this thesis, these characteristics support multicode-keying encryption for enha...
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| Format: | Others |
| Language: | en_US |
| Published: |
2015
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| Online Access: | http://ndltd.ncl.edu.tw/handle/00478735833337415938 |
| Summary: | 碩士 === 國立中興大學 === 通訊工程研究所 === 103 === Optical codes with large cardinality and tree structures of multiple subsets of codewords for adjustable code performance and cardinality have recently been proposed. As studied in this thesis, these characteristics support multicode-keying encryption for enhancing physical-layer confidentiality in optical code-division multiple-access (O-CDMA) systems and networks. The concept of the multicode-keying encryption technique is introduced. The associated all-optical hardware is designed and validated with OptiSystemTM simulation. The theoretical analyses of confidentiality improvement by means of rapid codeword switching and multicode-keying encryption are formulated.
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