Noncoherent spatial/spectral optical CDMA system with two-dimensional perfect difference codes

被引：46
|
作者：
Lin, CH [1 ]
Wu, JS
Yang, CL
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan
[2] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 10617, Taiwan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2005年 / 23卷 / 12期
关键词：
maximal-area matrices codes; modified quadratic congruence codes; multiuser interference; OCDMA; perfect difference codes; phase-induced intensity noise;
D O I：
10.1109/JLT.2005.859407
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, the family of newly constructed codes, named 2-D perfect difference codes, is proposed to suppress the phase-induced intensity noise (PIIN) in noncoherent spatial/spectral optical code division multiple access (OCDMA) systems. A novel spatial/spectral transceiver structure employing the new codes to eliminate the multiuser interference (MUI) by using the MUI cancellation property of the new codes is also presented. Compared with the systems employing modified quadratic congruence codes (MQC codes) and maximal-area matrices codes (M-matrices codes), numerical results verify that our proposed system can more effectively suppress the PIIN and eliminate MUI. Hence, the number of simultaneous users and total transmission rate increase significantly.
引用
收藏
页码：3966 / 3980
页数：15
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