公开(公告)号：US07639801B2

公开(公告)日：2009-12-29

申请号：US11096957

申请日：2005-03-31

申请人： Shyh-Jye Jou ,  Chih-Ning Chen ,  You-Jiun Wang ,  Ju-Yuan Hsiao ,  Chih-Hsien Lin

发明人： Shyh-Jye Jou ,  Chih-Ning Chen ,  You-Jiun Wang ,  Ju-Yuan Hsiao ,  Chih-Hsien Lin

IPC分类号： H04L9/00

CPC分类号： H03K3/356156 ,  H04B2201/70707

摘要： A method of transforming a serial scrambler to a parallel scrambler, a parallel scrambler and a double-edge-triggered register with XOR operation are provided. The method transforms a serial scrambler to a parallel scrambler according to a characteristic polynomial: P ⁡ ( x ) = ∑ q = 0 N ⁢ c q ⁢ x q ⁢ ⁢ or ⁢ ⁢ b ⁡ ( i ) = ∑ q = 1 N ⁢ c q ⁢ b ⁡ ( i - q ) . The method first determines a transformation formula: b ⁡ ( kN + i ) = ∑ q = 1 N ⁢ c q ⁢ b ⁡ ( ( k - R ) ⁢ N + i + R ⁡ ( N - q ) ) according to the parameters of the characteristic polynomial. The parallel bits Bj=[bMj, bMj+1, . . . , bMj+M−2, bMj+M−1] are arranged in order. The transformation number R=2t (the initial number of t is 0) is set. The parallel bits are replaced by the transformation formula. When (k−R)N+i+R(N−q) is larger than Mj−1 in the transformation formula, 1 is added to t in the transformation formula R=2t and the transformation formula is re-counted. Finally, the XOR gates are connected to the registers according to a computed result from the transformation formula.

摘要翻译： 提供了一种将串行加扰器变换为并行扰频器，并行扰频器和具有异或运算的双边沿触发寄存器的方法。 该方法根据特征多项式将串扰扰码器转换为并行扰频器：P⁡（x）=Σq = 0 N cq xq ud或⁢b⁡（i）=Σq = 1 N cq b⁡（i-q）。 该方法首先根据下列参数确定变换公式：b⁡（kN + i）=Σq = 1 N cq b⁡（（k-R）N + i + R⁡（N-q） 特征多项式。 并行位Bj = [bMj，bMj + 1，... 。 。 ，bMj + M-2，bMj + M-1]。 转换数R = 2t（t的初始数为0）被设置。 并行位由变换公式代替。 当变换式中（k-R）N + i + R（N-q）大于Mj-1时，在转化公式R = 2t中加入1，转化公式重新计算。 最后，XOR门根据转换公式的计算结果连接到寄存器。

公开(公告)号：US20060029225A1

公开(公告)日：2006-02-09

申请号：US11096957

申请日：2005-03-31

申请人： Shyh-Jye Jou ,  Chih-Ning Chen ,  You-Jiun Wang ,  Ju-Yuan Hsiao ,  Chih-Hsien Lin

发明人： Shyh-Jye Jou ,  Chih-Ning Chen ,  You-Jiun Wang ,  Ju-Yuan Hsiao ,  Chih-Hsien Lin

IPC分类号： H04K1/06

CPC分类号： H03K3/356156 ,  H04B2201/70707

摘要： A method of transforming a serial scrambler to a parallel scrambler, a parallel scrambler and a double-edge-triggered register with XOR operation are provided. The method transforms a serial scrambler to a parallel scrambler according to a characteristic polynomial: P ⁡ ( x ) = ∑ q = 0 N ⁢ c q ⁢ x q ⁢   ⁢ or ⁢   ⁢ b ⁡ ( i ) = ∑ q = 1 N ⁢ c q ⁢ b ⁡ ( i - q ) . The method first determines a transformation formula: b ⁡ ( kN + i ) = ∑ q = 1 N ⁢ c q ⁢ b ⁡ ( ( k - R ) ⁢ N + i + R ⁡ ( N - q ) ) according to the parameters of the characteristic polynomial. The parallel bits Bj=[bMj, bMj+1, . . . , bMj+M−2, bMj+M−1] are arranged in order. The transformation number R=2t (the initial number of t is 0) is set. The parallel bits are replaced by the transformation formula. When (k−R)N+i+R(N−q) is larger than Mj−1 in the transformation formula, 1 is added to t in the transformation formula R=2t and the transformation formula is re-counted. Finally, the XOR gates are connected to the registers according to a computed result from the transformation formula.