Noncoherent Spectral/Spatial Optical CDMA System Using 2-D Diluted Perfect Difference Codes

A newly constructed code family named two-dimensional diluted perfect difference codes (2-D DPD codes) and a corresponding architecture for the optical code division multiple access (OCDMA) system are proposed in this paper. The 2-D DPD codes are derived based on the perfect difference set and the d...

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Bibliographic Details
Published in:Journal of lightwave technology 2009-07, Vol.27 (13), p.2420-2432
Main Authors: Bih-Chyun Yeh, Bih-Chyun Yeh, Cheing-Hong Lin, Cheing-Hong Lin, Chun-Liang Yang, Chun-Liang Yang, Jingshown Wu, Jingshown Wu
Format: Article
Language:English
Subjects:
Analytical models
Bit error rate
Cancellation
Code division multiple access
Diluted perfect difference (DPD) codes
Dilution
Interference cancellation
Interference suppression
Mathematical analysis
Matrices
maximal-area matrices codes
modified quadratic congruence (MQC) codes
Multiaccess communication
multiuser interference
Noise cancellation
optical code division multiple access (OCDMA)
Optical noise
perfect difference (PD) codes
Performance analysis
Phase noise
phase-induced intensity noise (PIIN)
Simulation
Spectra
Two dimensional
Two dimensional displays
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Summary:A newly constructed code family named two-dimensional diluted perfect difference codes (2-D DPD codes) and a corresponding architecture for the optical code division multiple access (OCDMA) system are proposed in this paper. The 2-D DPD codes are derived based on the perfect difference set and the dilution method for the spectral and spatial coding application. The 2-D DPD codes have the multiuser interference (MUI) cancellation and the phase-induced intensity noise (PIIN) suppression properties. In comparison with the other 2-D codes, such as the modified quadratic congruence codes (MQC codes), the maximal-area matrices codes (M-matrices codes), or the 2-D perfect difference codes (2-D PD codes), the analytical calculation and the simulation results show that the systems with the 2-D DPD codes have better performance. The proposed system can accommodate much more total number of simultaneous users at the same bit error rate.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2008.2010721