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National Chung Hsing University Institutional Repository - NCHUIR > 工學院 > 通訊工程研究所 > 依資料類型分類 > 期刊論文 >  Construction of Optimal 2D Optical Codes Using (n, w, 2, 2) Optical Orthogonal Codes

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/133658

標題: Construction of Optimal 2D Optical Codes Using (n, w, 2, 2) Optical Orthogonal Codes
作者: Lin, Y.C.;Yang, G.C.;Chang, C.Y.;Kwong, W.C.
關鍵字: Optical code division multiple access;optical orthogonal codes;quadratic congruence codes;2-d codes;fiberoptic networks;cdma systems;prime codes;performance;design;family
日期: 2011
Issue Date: 2012-12-14 10:07:33 (UTC+8)
關連: Ieee Transactions on Communications, Volume 59, Issue 1, Page(s) 194-200.
摘要: Two-dimensional (2D) wavelength-time coding schemes have recently been studied for optical code-division multiple access. In this paper, we propose a new family of 2D codes, which use "synchronized" quadratic congruence sequences for wavelength hopping and (n, w, 2, 2) optical orthogonal codes for time spreading. The new 2D codes provide larger (asymptotically optimal) code cardinality than other 2D codes by relaxing the maximum cross-correlation function from one to two. Our study shows that the heavier code weight supported by our 2D codes results in better code performance than some of previously proposed 2D codes (of the maximum cross-correlation functions of one and two). The new codes potentially support more subscribers and heavier bursty asynchronous traffic with gradual performance degradation as traffic load increases.
Relation: Ieee Transactions on Communications
Appears in Collections:[依教師分類] 楊谷章
[依資料類型分類] 期刊論文
[依教師分類] 楊谷章

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