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A New Design of Wavelength-Hopping Time-Spreading Prime Codes for Optical CDMA Systems
|關鍵字:||光纖分碼多工;Optical CDMA;開關鍵移分碼多工;載波跳躍質數碼;OOK;CHPC||出版社:||電機工程學系所||引用:|| O.S. Gebizlioglu and J. Spencer, “Optical communications: from decades of fundamental developments to applications revolutionizing our lives [Guest Edi-torial],” IEEE Communications Magazine, vol. 46, no. 1, pp.24, Janu. 2008.  Robert M. Gagliardi and Sherman Karp, Optical communication, Second Edition, New York: Wiley, c1995.  J.A. Salehi, “Code division multiple-access techniques in optical fiber net-work-Part I: Fundamental principles,” IEEE Trans. Commun., vol. 37, no. 8, pp. 824-833, Aug. 1989.  J.A. Salehi and C.A. Brackett, “Code division multiple-access techniques in op-tical fiber network-Part II: System performance analysis,” IEEE Trans. Com-mun., vol. 37, no. 8, pp. 834-842, Aug. 1989.  J-G Zhang, A B Sharma and W. C. Kwong, “Cross-Correlation and system per-formance of modified prime codes for all-optical CDMA applications,” J. Opt. A: Pure Appl., Printed in the UK, pp. L25-L29, Opt. 2000.  L. Tančevski and I. Andonovic, “Wavelength hopping/time spreading code divi-sionmultiple access systems,” Electron. Lett., vol. 30, no. 17, pp. 1388-1390, Aug. 1994.  L. Tančevski and I. Andonovic, “Hybrid wavelength hopping/time spreading schemes for use in massive optical networks with increased security,” J. Light-wave Technol., vol. 14, no. 12, pp. 2636-2647, Dec. 1996.  G.-C. Yang and W.C. Kwong, Prime Codes with Applications to CDMA Optical and Wireless Networks, Artech House, Norwood, MA, 2002.  G.-C. Yang and W.C. Kwong, “Performance comparison of Multi-Wavelength CDMA and WDMA+CDMA for fiber-optic networks,” IEEE Trans. Commun., vol. 45, no. 11, pp.1426-1434, Nov. 1997.  C.-Y. Chang, G.-C. Yang and W.C. Kwong, “Wavelength-time codes with maxi-mum cross-correlation function of two for multicode-keying optical CDMA,” IEEE J. Lightwave Technol., vol. 24, no. 3, Mar. 2006.  C.-Y. Chang, H.-T. Chen, G.-C. Yang, and W.C. Kwong, “Spectral Efficiency Study of QC-CHPCs in Multirate Optical CDMA Systems,” IEEE J. elect. Areas Commun., vol.25, no. 9, pp.118-128, Dec. 2007.  G.-C. Yang and W.C. Kwong, “Frequency-hopping codes for multi-media ser-vices in mobile telecommunications,” IEEE Trans. Vehicular Technol., vol. 48, no. 6, pp. 1906-1915, Nov. 1999.  D.J. Goodman, P.S. Henry, and V.K. prabhu, “Frequency-hopping multilevel FSK for mobile radio,” Bell Syst. Tech. J., vol. 59, no. 7, pp. 1257-1275, Sept. 1980.  G.-C. Yang and S.-Y. Lin, and W.C. Kwong, “MFSK/FH-SSMA wireless systems with double-media services over fading channels,” IEEE Trans. Vehicular Tech., vol. 49, no.3, pp. 900-910, May 2000.  P.-H. Kuo, C.-C. Hsu, G.-C. Yang, and W.C. Kwong, “A new method of per-formance analysis for MFSK/FH-CDMA system,” submitted to IEEE Trans. Wireless Commun.  R.M.H. Yim, L.R. Chen and J. Bajcsy, “Design and performance of 2-D codes for wavelength-time optical CDMA,” IEEE Photon. Technol. Lett., vol. 14, no. 5, pp. 714-716, May 2002.  A.J. Mendez, R.M. Gagliardi, V.J. Hernandez, C.V. Bennett, and W.J. Lennon “Design and performance analysis of wavelength/time (W/T) matrix codes for optical CDMA,” J. Lightwave Technol., vol. 21, no. 11, pp. 2524-2533, Nov. 2003.  S.P. Wan and Y. Hu, “Two-dimensional optical CDMA differential system with prime/OOC codes,” IEEE Photon. Technol. Lett., vol. 13, no. 12, pp. 1373-1375, Dec. 2001.  T. Pu, Y.-Q. Li, and S.-W. Yang, “Research of Algebra Congruent Codes Used in Two-Dimensional OCDMA System,” J. Light-wave Technol., vol. 21, no. 11, pp. 2557-2564, Nom. 2003.  L. Bin, “One-coincidence sequences with specified distance between adjacent symbols of frequency-hopping multiple access,” IEEE Trans. Commun., vol. 45, no. 4, pp. 408-410, Apr. 1997.  C.-C. Hsu, G.-C. Yang, and W.C. Kwong, “Harder-Limiting Performance Analysis of 2-D Optical Codes under the Chip-Asynchronous Assumption,” IEEE Trans. Commun., vol. 56, no. 5, pp.762-768, May 2008.  W.C. Kwong and G.-C. Yang, “Extended carrier-hopping prime codes for wave-length-time optical code-division multiple access.” IEEE Transactions on com-munications, vol. 52, no. 7, pp.1084-1091, July 2004.  J.R. Bellegarda and E.L. Titlebaum, “The Hit Array: An Analysis Formalism for Multiple Access Frequency Hop Coding.” IEEE Transactions on Aerospace and Electronic Systms, vol. 27, no. 1, pp.30-39, Jan. 1991.  M. Azizõglu, J.A. Salehi, and Y. Li, “Optical CDMA via temporal codes,” IEEE Trans. Commun., vol. 40, no. 7, pp. 1162-1170, July 1992.  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.||摘要:||
As the advancement of wavelength-time codes, the use of two dimensional ap-proaches to generate wavelength-time codes has recently received some attention and has been widely studied. Moreover, the two dimensional codes have the advantage of extremely improving code cardinality more than one dimensional codes have. The (pk1 p¬k2, p, 0, 1) 2D wavelength-time codes proposed in this thesis has the property that the cross-correlation value is at most one. The construction is done by utilizing the constructed conception of the extended carrier-hopping prime codes and the original carrier-hopping prime codes. Hence the construction can enlarge the code size by increasing the number of wavelengths and the number of time slots, respec-tively. The advantage is that the new code scheme provides more flexible alternative of performance, bandwidth, and data rate.
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