| OCDMA的一种新型码的构造及实现 |
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| 引用本文： | 鲁辉,荣健.OCDMA的一种新型码的构造及实现[J].光学与光电技术,2005,3(5):19-21. |
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| 作者姓名： | 鲁辉 荣健 |
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| 作者单位： | 西南交通大学理学院,成都,610031;西南交通大学理学院,成都,610031 |
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| 基金项目： | 西南交通大学科学研究基金项目(2004B10) |
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| 摘 要： | 提出了一种新型OCDMA多维码构造方案。该多维码是在一维EPC(扩展的素数码)时域码的基础上,对其进行PC(素数码)跳频编码,并加上了偏振信息。然后通过偏振片和FBG(布拉格光线光栅)实现这种码的编解码,详述了其特点,最后描述了使用该地址码进行信息传输的OCDMA系统结构。计算表明该新型地址码具有更大的容量,能容纳更多的用户同时通信。
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| 关 键 词： | EPC码 OCDMA 偏振 布拉格光纤光栅 |
| 文章编号： | 1672-3392（2005）05-0019-03 |
| 收稿时间： | 2005-03-22 |
| 修稿时间： | 2005-05-11 |
Structure and Realization of a New Code in OCDMA System |
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| LU Hui,RONG Jian.Structure and Realization of a New Code in OCDMA System[J].optics&optoelectronic technology,2005,3(5):19-21. |
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| Authors: | LU Hui RONG Jian |
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| Abstract: | A new coding scheme for the address codes of OCDMA was proposed. This type of multidimension codes were constructed by adding polarization on a type of two-dimension codes which were formed by time spreading with EPC and frequency-hopping with PC. Polarimeters and FBGs were used in the en-/decoding technology and the relevant traits were also analyzed. Finally, the structure tof this OCDMA system was described. The calculations showed that this type of address codes had a higher code capacity and could contain more users in communication simultaneously. |
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| Keywords: | EPC OCDMA polarization FBG |
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