| Study on cipher propertys of constant weight codes |
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| 作者姓名： | Lin Bogang Dept. of Computer Science and Technology Fuzhou Univ. Fuzhou P. R. Chi na |
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| 作者单位： | Lin Bogang Dept. of Computer Science and Technology，Fuzhou Univ.，Fuzhou 350002，P. R. Chi na |
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| 摘 要： | 1 .INTRODUCTIONIn the research on constant weight codes , someconsiderable headway have been made in the do-main of the binary constant weight codes . Espe-cially ,people focus attention on the functionA(n,d, w) ,which denotes the maxi mumcardinality ofa binary code of lengthn,mini mumdistancedandconstant weightw.Some newresults on upper andlower bounds onA( n, d, w)are presented inRefs .1 ~4] ,and the result on extensive constantweight codes is givenin Refs .5 ~10] ,respective-ly .In …
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| 收稿时间： | 8 April 2004. |
Study on cipher propertys of constant weight codes |
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| Lin Bogang Dept. of Computer Science and Technology,Fuzhou Univ.,Fuzhou ,P. R. Chi na.Study on cipher propertys of constant weight codes[J].Journal of Systems Engineering and Electronics,2006,17(2):458-461. |
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| Authors: | Lin Bogang |
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| Institution: | Dept. of Computer Science and Technology, Fuzhou Univ. , Fuzhou 350002, P. R. China |
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| Abstract: | Constant weight code is an important error-co rr ecting control code in communications. Basic structure of constant weight codes for some arriving at Johnson bound, A(n, 2u, w), is presented. Some correlat ive propertys of the codes, the solution of arriving at Johnson bound, and the r esults on the couple constant code and some constant weight codes are discussed. The conclusion is verified through four examples. |
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| Keywords: | constant weight code Johnson bound couple relation boundary property combination cipher |
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