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Spatial/Spectral Optical CDMA Systems Using Two-Dimensional OOC/M-Sequence Codes
|關鍵字:||optical;光纖;CDMA;phase noise;分碼多工;相位雜訊||出版社:||電機工程學系所||引用:|| G.-C. Yang and W.C. Kwong, Prime Codes With Applications to CDMA Optical and Wireless Networks, Norwood, MA: Artech House, 2002.  Optical Code Division Multiple Access: Fundamental and Applications, ed.: P.R. Prucnal, New York: Taylor Francis Books, 2006.  F. R. K. Chung, J. A. Salehi, and V. K. Wei, ``Optical orthogonal codes: Design, analysis, and applications," IEEE Trans. Inform. Theory, vol. 35, no. 3, pp. 595-604, May 1989.  W. C. Kwong, P. A. Perrier, and P. R. Prucnal, “Performance comparison of asynchronous and synchronous code-division multiple-access techniques for fiber-optic local area networks,” IEEE Trans. Commun., vol. 39, no. 11, pp. 1625-1634, Nov. 1991.C.-S.  C.-S. Weng and J. Wu, “Perfect difference codes for synchronous fiberoptic CDMA communication systems,” J. Lightw. Technol., vol. 19, no. 2, pp. 186-194, Feb. 2001.  F. R. K. Chung, J. A. Salehi, and V. K. Wei, “Optical orthogonal codes: Design, analysis, and applications,” IEEE Trans. Inf. Theory, vol. 35, no. 3, pp. 595-604, May 1989.  E.D.J. Smith, R. J. Blaikie, and D.P. Taylor, ``Performance enhancement of spectral amplitude-coding optical CDMA using pulse-position modulation," IEEE Trans. Commun, vol. 46, no. 3, pp. 1176-1185, Sep. 1998.  Z. Wei and H. Ghafouri-Shiraz, ``Codes for spectral amplitude coding optical CDMA systems," J. Lightw. Technol. , vol. 20, no. 8, pp. 1284-1291, Aug. 2002.  Z. Wei, H.M.H. Shalaby, and H. Ghafouri-Shiraz, ``Modified quadratic congruence codes for fiber Bragg-grating-based spectral-amplitude-coding optical CDMA systems," J. Lightw. Technol. , vol. 19, no. 9, pp. 1274-1281, Sep. 2001.  J. Y. Huo, ``Pattern code modulation and optical decoding--A novel code-division multiplexing techniques for multifiber networks," IEEE J. Select. Areas Commun. , vol. SAC-3, no. 6, pp. 916-927, Nov. 1985..  H. Fathallah, L.A. Rusch, and S. LaRochelle, ``Passive optical fast frequency-hop CDMA communications system," J. Lightw. Technol., vol. 17, no. 3, pp. 397-405, Mar. 1999.  E. Inaty, H.M.H. Shalaby, and P. Fortier, ``On the cutoff rates of a multiclass OFFH-CDMA system," IEEE Trans. Commun. , vol. 53, no. 2, pp. 323-334, Feb. 2005.  L. Tancevski and I. Andonovic, ``Hybrid wavelength hopping/time spreading schemes for use in massive optical networks with increased security," J. Lightw. Technol. , vol. 14, no. 12, pp. 2636-2647, Dec. 1996.  C.-C. Yang and J.-F. Huang, ``Two-dimensional M-matrices coding in spatial/frequency optical CDMA networks," IEEE Photon. Technol. Lett. , vol. 15, no. 1, pp. 168-170, Jan. 2003.  C.-H Lin, J. Wu, and C.-L. Yang, ``Noncoherent spatial/spectral optical CDMA system with tow-dimensional perfect difference codes," J. Lightw. Technol. , vol. 23, no. 12, pp. 3966-3980, Dec. 2005.  B.-C Yeh, C.-L, and Yang, J. Wu. ``Noncoherent Spectral/Spatial Optical CDMA System Using 2-D Diluted Perfect Difference Codes,'' J. Lightw. Technol. , vol. 27, no. 13, pp. 2420-2432, July. 2009.  J.-F. Huang and C.-C. Yang, ``Permuted M-matrices for the reduction of phase-induced intensity noise in optical CDMA networks," IEEE Trans. Commun. , vol. 54, no. 1, pp. 150-158, Jan. 2006.||摘要:||
在本篇論文中,我們提出以頻域振幅編碼系統(Spectral-Amplitude-Coding)為基礎之採用光正交碼與最大長度序碼之空域/波域二維光纖分碼多工系統。也呈現一組可以消除多重存取干擾特性的新編碼器與解碼器。比較之前最大長度序列矩陣碼系統(M-matrices codes), 一些數據可以表現我們新系統可以更有效的降低相位引發強度雜訊(Phase-Induce Intensity Noise), 而且具有在選碼上更大的彈性,在同樣的位元錯誤率下,可以提供更多的有效使用者。
In this thesis, a family of new two-dimensional optical codes, so called OOC/M-sequence codes, is proposed for spectral-amplitude-coding optical code-division multiple access. A new 2-D spatial/spectral transceiver structure, which employs the multiple-access-interfering canceling property of the new codes, is also presented. Comparing with a former system using M-matrices codes, our analysis and numerical results show that the proposed system is better in suppressing phase-induced intensity noise and more flexible in choosing code length, and also supports more active user for a given error probability.
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