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基于實(shí)時(shí)檢測(cè)的擾碼重建算法

馬鈺,  張立民

馬鈺, 張立民. 基于實(shí)時(shí)檢測(cè)的擾碼重建算法[J]. 電子與信息學(xué)報(bào), 2016, 38(7): 1794-1799. doi: 10.11999/JEIT151068
引用本文: 馬鈺, 張立民. 基于實(shí)時(shí)檢測(cè)的擾碼重建算法[J]. 電子與信息學(xué)報(bào), 2016, 38(7): 1794-1799. doi: 10.11999/JEIT151068
MA Yu, ZHANG Limin. Reconstruction of Scrambler with Real-time Test[J]. Journal of Electronics & Information Technology, 2016, 38(7): 1794-1799. doi: 10.11999/JEIT151068
Citation: MA Yu, ZHANG Limin. Reconstruction of Scrambler with Real-time Test[J]. Journal of Electronics & Information Technology, 2016, 38(7): 1794-1799. doi: 10.11999/JEIT151068

基于實(shí)時(shí)檢測(cè)的擾碼重建算法

doi: 10.11999/JEIT151068
基金項(xiàng)目: 

泰山學(xué)者工程專項(xiàng)經(jīng)費(fèi)

Reconstruction of Scrambler with Real-time Test

Funds: 

Taishan Scholar Special Foundation

  • 摘要: 基于Walsh-Hadamard變換的擾碼重建算法在最大成立數(shù)準(zhǔn)則下尋找全局最優(yōu)解，是求解線性反饋關(guān)系的一種有效方法，但其計(jì)算復(fù)雜度隨著變換階數(shù)的增加而迅速增加。為降低算法的計(jì)算復(fù)雜度，論文提出一種基于實(shí)時(shí)檢測(cè)的擾碼重建算法，即在進(jìn)行Walsh-Hadamard變換的過(guò)程中，實(shí)時(shí)判斷檢測(cè)對(duì)象是否為反饋關(guān)系；當(dāng)檢測(cè)到反饋關(guān)系時(shí)，即可停止運(yùn)算。引入實(shí)時(shí)檢測(cè)后可使計(jì)算復(fù)雜度平均減少50%。
    Abstract: Scrambler reconstruction algorithm based on Walsh-Hadamard transformation is a promising method to recover the feedback relationships, which picks out the optimal solution under the rule of maximum number. However, its computation complexity increases markedly with the transformation degree. In order to reduce the complexity, a method to reconstruct the scrambler with real-time test is proposed. In the process of Walsh- Hadamard transformation, the objects can be tested in real time. If the feedback polynomial is detected, the transformation can be terminated. With real-time test, the computation complexity can be reduced about 50% on average.
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出版歷程
  • 收稿日期:  2015-09-21
  • 修回日期:  2016-04-08
  • 刊出日期:  2016-07-19

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