Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/7510
標題: 最大互相關值為二之二維光纖碼於光纖分碼多工系統之設計與效能分析
Design and Performance Analysis of 2-D Optical code with Maximum Cross-Correlation Value of Two for Optical CDMA Systems
作者: 田人豪
Tien, Jen-Hao
關鍵字: 二維光纖碼;two-dimensional optical codes;正交光纖碼;光纖分碼多工;optical orthogonal code (OOC);optical code-division multiple access
出版社: 電機工程學系所
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Wei, “Optical orthogonal codes and difference families,” in preparation. 1987 Southeastrn Conference on Combinatorics, Graph Theory, and Algorithms. [7] G.-C. Yang and T. Fuja, “Optical orthogonal codes with unequal auto- and cross-correlation constraints,” IEEE Trans. Inform. Theory, vol. 41, no. 1, pp. 96-106, Jan. 1995. [8] J.-F. Huang and D.-Z. Hsu, “Fiber-grating-based optical CDMA spectral coding with nearly orthogonal m-sequence codes,” IEEE Photon. Technol. Lett., vol. 12, pp. 1252-1254, Sep. 2000. [9] C. F. Lan, D. T. K. Tong, M. C. Wu, and E. Yablonocitch, “Experimental demonstration of bipolar optical CDMA system using a balanced transmitter and complementary spectral encoding,” IEEE Photon. Technol. Lett., vol. 10, pp. 1504-1506, Oct. 1988. [10] L. Tančevski and I. Andonovic, “Wavelength hopping/time spreading code division multiple access systems,” Electron. Lett., vol. 30, no. 17, pp. 1388-1390, Aug. 1994. [11] Z. Wei, H. M. H. Shalaby, and H. Ghafouri-Shiraz, “Modified quadratic congruence codes for fiber Bragg-grating-based sprectral-amplitude-coding optical CDMA systems,” J. Ligthwave Technol., vol. 19, no. 9, pp. 1274-1281, Sep. 2001. [12] S. P. Wan and Y. Hu, “Two-dimensional optical CDMA differential system with prime/OOC codes,” IEEE Photon. Technol. Lett., vol. 10, no. 12, pp.1373-1375, Dec. 2001. [13] R.M.H. Yim, L.R. Chen, and J. Bajcsy, “Design and performance of 2-D codes for 2-D optical CDMA,” IEEE Photon. Technol. Lett., vol. 14, no. 5, pp. 714-716, May 2002. [14] G.-C. Yang and W.C. Kwong, “Two-dimensional spatial signature patterns,” IEEE Trans. Commun., vol. 44, no. 2, pp. 184-191, Feb. 1996. [15] E. S. Shivaleela, K. N. Sivarajan, A. Selvarajan, “Design of a new family of two dimensional codes for fiber-opric CDMA networks,” J. Ligthwave Technol., vol. 16, no. 4, pp. 501-508, Apr. 1998. [16] W.C. Kwong and G.-C. Yang, “Image transmission in multicore-fiber code- division multiple-access networks,” IEEE Commun. Lett., vol. 2, no. 9, Oct. 1998. [17] W.C. Kwong and G.-C. Yang, “Double-weight signature pattern codes for multicore-fibercode-division multiple-access networks,” IEEE Commun. Lett., vol. 5, no. 5, May 2001. [18] W. C. Kwong, G.-C. Yang, V. Baby, C.-S. Brès, and P. R. Prucnal, “Multiple-wavelength optical orthogonal code under prime-sequence permutations for optical CDMA,” IEEE Trans. Commun., vol. 53, no. 1, pp. 117-123, Jan. 2005. [19] L. Tančevski, “Hybrid wavelength hopping/time spreading schemes for use in massive optical networks with increased security,” J. Ligthwave Technol., vol. 14, no. 4, pp. 2636-2647, Dec. 1996. [20] L. Tančevski, I. Andonovic, M. Tur, and J. Budin, “Massive optical LANs using wavelength hopping/time spreading with increased security,” IEEE Photon. Technol. Lett., vol. 8, pp. 935-937, Jul. 1996. [21] F. Chung, J. Salehi, and V. Wei, “Optical orthogonal codes: Design, analysis, and applications,” IEEE Trans. Inform. Theory, vol. 35, pp. 595-604, May 1989. [22] H. Chung and P. Kumar, “Optical orthogonal codes-New bounds and an optimal construction,” IEEE Trans. Inform. Theory, vol. 36, pp. 866-873, July 1990. [23] P.R. Prucnal, M. Santoro and Ting Fan, “Spread spectrum fiber-optical area network using optical processing,” IEEE J. Lightwave Technol., vol. 4, no. 5, pp. 547-554, May 1986. [24] P.R. Prucnal, and M. Santoro, “Asynchronous fiber optic local area network using CDMA and optical correlation,” IEEE Proc., vol. 75, no. 9, pp. 1336-1338, Sept. 1987. [25] W.C. Kwong and P.R. Prucnal, “'Synchronous' CDMA demonstration for fiber-optical networks with optical processing,” Electronics Letters, vol. 26, no. 24, pp. 1990-1992, Nov. 1990. [26] J.A. Salehi, “Emerging optical code-division multiple access communication systems,” IEEE Network magazine, vol. 3, no. 2, pp. 31-39, Mar. 1989. [27] L. Tančevski and I. Andonovic, “Wavelength hopping/time spreading code division multiple access systems,” Electron. Lett., vol. 30, no. 17, pp. 1388-1390, Aug. 1994. [28] 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. [29] C.-S. Weng and J. Wu, “Optical orthogonal codes with nonideal cross correlation,” IEEE Ligthw. Technol., vol. 19, no. 12, pp. 1856-1863, Dec.2001 [30] S. Mashhadi and J.A.Salehi, “ Code division multiple-access techniques in optical fiber networks part III: optical and logic gate receiver structure with generalized optical orthogonal codes,” IEEE Trans. Commun., vol. 54, no. 8, Aug. 2006. [31] J.-J. Chen and G.-C. Yang, “CDMA fiber-optic systems with optical hard limiters,” J. Ligthw. Technol., vol. 19, no. 7, pp. 950-958, Jul. 2001. [32] H.M.H. Shalaby, “Chip-level detection in optical code-division multiple access,” J. Lightw. Technol., vol. 16, no. 7, pp. 1077-1078, June 1998. [33] S. Zahedi and J.A. Salehi, “Analytical comparison of various fiber-optic CDMA receiver structures,” J. Lightw. Technol., vol. 18, no. 12, pp. 1718-1727, Dec. 2000. [34] J.-H. Tien, C.-P. Tu, G.-C. Yang and W.C. Kwong, “ 2-D optical CDMA code with maximum cross-correlation value of two” to appear in IEEE Tencon Conf.
摘要: 
近年來隨著人們對於網路應用等的需求量持續增加,使得網路業者不斷地增加使用者的頻寬量,原先使用的非對稱數位用戶線路也不堪負荷,所以為了滿足高頻寬的時代來臨業者開始也實行光線到府的架構提供更高的頻寬。現在光纖網路的技術開始被大量的研究,在傳統光纖網路中都使用一維光纖展頻碼,為了能提供更多的使用者採用了分波跳頻和時域展頻的二維展頻技術,以及進一步的提升使用者的數目或者是改善系統效能,在本篇論文當中提出了一種新的架構,這種新的架構將會在本篇論文被建構並且分析其效能,並與我們之前所提出的架構做比較,從分析的結果也顯示出我們新的架構比之前的系統有更好的表現。

In this thesis, a new family of two-dimensional (2-D) optical codes with the maximum cross-correlation value of two is constructed and analyzed for asynchronous optical code division multiple access (O-CDMA). Our 2-D code employs wavelength hopping under the permutations of synchronized prime sequence on top of optical orthogonal code (OOC). The new construction supports larger code cardinality (i.e., more subscribers) and heavier code weight (i.e., better code performance or more simultaneous users) without increasing the code length or number of wavelengths. Our results show that the new code may perform better than our multiple-wavelength optical orthogonal code (MWOOC), which had the cross-correlation values of at most one.
URI: http://hdl.handle.net/11455/7510
其他識別: U0005-1607200717571500
Appears in Collections:電機工程學系所

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