异步OCDMA系统地址码相关值分布算法的研究  

Algorithm of cross-correlation distribution of signature code for asynchronous OCDMA system

作　　者：乙万义[1] 李传起[1] 张媛[1] 周园园[1] 

机构地区：[1]南京信息工程大学数理学院,江苏南京210044

出　　处：《量子电子学报》2009年第6期744-749,共6页Chinese Journal of Quantum Electronics

基　　金：江苏省自然科学基金(BK2008437);江苏省高校自然科学基金(07KJB510066)资助的课题

摘　　要：在码集中任意取两个不同码字,从其码字之间的"1"的位置之差的移位下必发生"1"的碰撞出发,给出了一维地址码互相关值分布的算法,并用此方法分析了几种典型一维码的相关值分布,在此基础上验证了关于用概率分析法给出的求平均互相关值的式子,在一维地址码分析的基础上给出了对称二维码Φ(N×L,ω,1)的互相关值分布的算法。The algorithm of one-dimensional address code cross-correlation value was given from the shift of discrepancy of location ＂ 1 ＂ of arbitrary two codes among codes with occuring of the collision of ＂ 1 ＂ By using this method, some of the typical one-dimensional code cross-correlation value distribution was analyzed, the average cross-correlation value formula was given by using the probability analysis method then on the basis of one-dimensional address code analysis, the algorithm of the symmetric two-dimensional code Ф（N×L,ω,1） cross-correlation value distribution was given.

关 键 词：光通信 算法 地址码 互相关性 

分 类 号：TN921.2[电子电信—通信与信息系统]