Securing optical code-division multiple-access networks with a postswitching coding scheme of signature reconfiguration

Huang, Jen-Fa; Meng, Sheng; Lin, Ying Chen

doi:10.1117/1.oe.53.11.116101

Cited by 4 publications

(1 citation statement)

References 13 publications

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“…Modern optical code division multiple access (OCDMA) enables modern communication systems to produce code sequences and perform multiple access to the medium 1 – 5 OCDMA systems produce the fundamental properties of optical transmission 6 – 8 Optical networks use the spectrum requirement for transmission.…”

Section: Introductionmentioning

confidence: 99%

Two code keying using optical CDMA system with 2D multi-method codes

Yeh

2023

Opt. Eng.

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.We propose a novel family of two-dimensional multi-methods with two codes keying (2D MM with TCK) in spectral amplitude coding optical code division multiple access (OCDMA) networks. The idea transfers one code keying (OCK) of one-dimensional (1D) MM codes into two code keying (TCK) of 2D MM codes. The rationale has OCK transferred into TCK, 2D matrix formulations using the 2D MM codes, and modified cross-correlation. The research solution resolves the first item using two OCKs of 2D MM codes to become TCK of 2D MM codes to call 2D MM codes with TCK, the second item using two sets of 1D MM codes to produce 2D matrix formulations using 2D MM codes, and the third item using the cross-correlation to transfer into a modified cross-correlation. The modified cross-correlation eliminates multiuser interference. The proposed analysis utilizes a modified photocurrent to suppress phase-induced intensity noise. In the numerical results, the number of simultaneous users, data transmission rate, and effective source power using 2D MM codes with TCK are 294, 4.72 Gbps, and − 12 dBm, respectively.

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