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    • 1. 发明公开
    • Orthogonal complex spreading method for multichannel and apparatus thereof
    • 多通道的正交复数扩展方法及其装置
    • EP2262141A1
    • 2010-12-15
    • EP10075559.4
    • 1998-10-02
    • Electronics and Telecommunications Research Institute
    • Bang, Seung ChangHan, Ki ChuiShim, Jae RyongKim, Jung ImKim, Tae Joong
    • H04J11/00H04J3/14H04B1/707H04B7/26
    • H04B1/7097H04J13/0048H04J13/102H04J2013/0037
    • An orthogonal complex spreading method for multiple data inputs, each of the data inputs being allocated to either a first group or a second group, comprising steps of:
      generating first outputs (600) by multiplying each of data inputs in the first group (X 11 ... X n1 ) by a corresponding orthogonal sequence and a corresponding gain, respectively;
      generating a first output signal (810) by summing the first outputs;
      generating second outputs (700) by multiplying each of data inputs in the second group (X 12 ... X n2 ) by a corresponding orthogonal sequence and a corresponding gain, respectively;
      generating a second output signal (820) by summing the second outputs;
      receiving the first and second output signals in a complex form (900) and complex-multiplying the first and the second output signals by SC(OS 3 +jP-OS 4 ) (900, 300), wherein SC is a spreading code, OS 3 and OS 4 are orthogonal sequences, and P is a predetermined sequence.
    • 一种用于多个数据输入的正交复数扩展方法,每个数据输入分配给第一组或第二组,包括以下步骤:通过将第一组中的每个数据输入(X11)相乘来产生第一输出(600)。 ... Xn1)分别对应的正交序列和相应的增益; 通过对第一输出求和来产生第一输出信号(810) 通过将第二组(X12 ... Xn2)中的每个数据输入分别乘以相应的正交序列和对应的增益来生成第二输出(700); 通过对第二输出求和来产生第二输出信号(820) 以复数形式(900)接收第一和第二输出信号并且通过SC(OS3 + jP-OS4)(900,300)将第一和第二输出信号复数乘,其中SC是扩频码,OS3和OS4 是正交序列,并且P是预定序列。
    • 2. 发明公开
    • Orthogonal complex spreading method for multichannel and apparatus thereof
    • 多通道的正交复数扩展方法及其装置
    • EP1819083A3
    • 2008-04-02
    • EP07010789.1
    • 1998-10-02
    • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    • Bang, Seung ChangHan, Ki ChulShim, Jae RyongKim, Jung ImKim, Tae Joong
    • H04J11/00H04J3/14H04B1/707H04B7/26
    • H04B1/7097H04J13/0048H04J13/102H04J2013/0037
    • A permutated orthogonal complex spreading method for a multichannel, comprising the steps of :
      complex-summing α n1 W M,n1 X n1 which is obtained by multiplying a predetermined orthogonal Hadamard sequence W M,n1 by a data X n1 and a gain α n1 and α n2 W M,n2 X n2 which is obtained by multiplying the orthogonal Hadamard sequence W M,n2 of the second block by a predetermined data X n2 and a gain α n2 in the first block during a multichannel data distribution ;
      summing only the in-phase information based on the output signals from a plurality of other channels from two blocks and summing only the quadrature phase information; and
      complex-mutiplying which are summed in the complex type and W M,I +jPW M,Q which are formed of P representing a predetermined sequence or a spreading code or a predetermined integer using a complex multiplier and W M,I and W M,Q which are the orthogonal Hadamard sequences, and outputs the signal as an in-phase information and a quadrature phase information,
      wherein in said step for

      multiplying the orthogonal Hadamard sequence, a sequence vector of the k-th column or row is set to W k-1 based on the MxM Hadamard matrix, the conditions W M,n1 =W 0 , W M,n2 =W 2q+1 (where q represents a predetermined number in a range from 0 to (M/2) - 1) are obtained and the conditions W M,I =W 0 , W M,Q =W 1 (where n represent a n-th block number) for thereby complex-multiplying α n1 W 0 X n1 +jα n2 W 2q X n2 and W 0 +jPW 1 .
    • 一种用于多信道的置换正交复数扩展方法,包括以下步骤:通过将预定正交哈达马序列WM,n1乘以数据Xn1和增益αn1和αn2WM,n2Xn2获得的αn1WM,n1Xn1进行复数求和, 在多声道数据分发期间,将第二块的正交哈达马序列WM,n2乘以第一块中的预定数据Xn2和增益αn2; 基于来自两个块的多个其他信道的输出信号仅对同相信息进行求和,并仅求和正交相位信息; 以及复数形式,它们由复数形式和WM,I + jPWM,Q组成,它们由表示预定序列的P或者使用复数乘法器和WM,I和WM,Q构成的扩展码或预定整数形成 并输出该信号作为同相信息和正交相位信息,其中,在所述正交Hadamard序列乘法步骤中,将第k列或行的序列向量设置为基于Wk-1的序列 在MxM Hadamard矩阵上,获得条件WM,n1 = W0,WM,n2 = W2q + 1(其中q表示在从0到(M / 2)-1的范围内的预定数),并且条件WM,I = W0,WM,Q = W1(其中n表示第n个块号),从而将αn1W0Xn1+jαn2W2qXn2和W0 + jPW1复数乘。
    • 6. 发明公开
    • Orthogonal complex spreading method for multichannel and apparatus thereof
    • 多通道的正交复数扩展方法及其装置
    • EP1819083A2
    • 2007-08-15
    • EP07010789.1
    • 1998-10-02
    • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    • Bang, Seung ChangHan, Ki ChulShim, Jae RyongKim, Jung ImKim, Tae Joong
    • H04J11/00H04J3/14H04B1/707H04B7/26
    • H04B1/7097H04J13/0048H04J13/102H04J2013/0037
    • A permutated orthogonal complex spreading method for a multichannel, comprising the steps of :
      complex-summing α n1 W M,n1 X n1 which is obtained by multiplying a predetermined orthogonal Hadamard sequence W M,n1 by a data X n1 and a gain α n1 and α n2 W M,n2 X n2 which is obtained by multiplying the orthogonal Hadamard sequence W M,n2 of the second block by a predetermined data X n2 and a gain α n2 in the first block during a multichannel data distribution ;
      summing only the in-phase information based on the output signals from a plurality of other channels from two blocks and summing only the quadrature phase information; and
      complex-mutiplying ∑ n = 1 K ( α n ⁢ 1 ⁢ W M , n ⁢ 1 ⁢ X n ⁢ 1 + j ⁢ α n ⁢ 2 ⁢ W M , n ⁢ 2 ⁢ X n ⁢ 2 ) which are summed in the complex type and W M,I +jPW M,Q which are formed of P representing a predetermined sequence or a spreading code or a predetermined integer using a complex multiplier and W M,I and W M,Q which are the orthogonal Hadamard sequences, and outputs the signal as an in-phase information and a quadrature phase information,
      wherein in said step for

      multiplying the orthogonal Hadamard sequence, a sequence vector of the k-th column or row is set to W k-1 based on the MxM Hadamard matrix, the conditions W M,n1 =W 0 , W M,n2 =W 2q+1 (where q represents a predetermined number in a range from 0 to (M/2) - 1) are obtained and the conditions W M,I =W 0 , W M,Q =W 1 (where n represent a n-th block number) for thereby complex-multiplying α n1 W 0 X n1 +jα n2 W 2q X n2 and W 0 +jPW 1 .
    • 一种用于多信道的置换正交复数扩展方法,包括以下步骤:通过将预定正交哈达马序列WM,n1乘以数据Xn1和增益αn1和αn2WM,n2Xn2获得的αn1WM,n1Xn1进行复数求和, 在多声道数据分发期间,将第二块的正交哈达马序列WM,n2乘以第一块中的预定数据Xn2和增益αn2; 基于来自两个块的多个其他信道的输出信号仅对同相信息进行求和,并仅求和正交相位信息; 和复数形式Σn= 1K(αn1,...,Mn,nn 1 +jαn2,Wm,n 2,Xn 2) + jPWM,Q,其由P表示预定序列或者扩展码或者预定整数,使用作为正交Hadamard序列的复数乘法器和WM,I和WM,Q,并且将该信号作为同相信息 以及正交相位信息,其中在所述用于乘正交Hadamard序列的步骤中,基于MxM Hadamard矩阵将第k列或行的序列向量设置为Wk-1,条件WM,n1 = W0,WM ,n2 = W2q + 1(其中q表示在0至(M / 2)-1的范围内的预定数),并且条件WM,I = W0,WM,Q = W1(其中, 由此对αn1 W 0 X n 1 +jαn 2 W 2 q X n 2和W 0 + j PW 1进行复数乘法运算。