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    • 4. 发明授权
    • Apparatus and method for generating scrambling codes in a radio communication system
    • 一种用于在无线电通信系统中产生扰码的装置和方法
    • US08559480B2
    • 2013-10-15
    • US13143688
    • 2010-01-15
    • Sung Jun YoonSung Jin SuhMyung Cheul Jung
    • Sung Jun YoonSung Jin SuhMyung Cheul Jung
    • H04B1/00
    • H04J13/10G06F7/584H04J13/0029H04J13/102
    • An apparatus and method for generating a scrambling code in a radio communication system is disclosed. In particular, an apparatus and method for generating a scrambling code using a Gold-like sequence even when m is a multiple of 4 for a length 2m−1 of a pseudo-random sequence is disclosed. Two LFSRs (LFSR a and LFSR a′) for generating the Gold-like sequence by two different polynomials of degree m are included. The LFSR a′ is constructed by a reciprocal primitive polynomial of the primitive polynomial of degree m over GF(2) used to construct the LFSR a. In order to generate 2m different scrambling codes, one fixed initial value is input to the LFSR a and different initial values of m bits are input to the LFSR a′ according to system-specific information.
    • 公开了一种用于在无线电通信系统中产生扰码的装置和方法。 具体地,公开了即使在伪随机序列的长度2m-1的m为m的倍数时也使用Gold类序列来生成扰码的装置和方法。 包括用于通过两个不同的m度多项式产生Gold状序列的两个LFSR(LFSR a和LFSR a')。 LFSR a'由用于构造LFSR a的GF(2)上的m度的原始多项式的互逆原始多项式构成。 为了产生2m个不同的扰码,根据系统特定的信息,将一个固定的初始值输入到LFSR a,并且将m个比特的不同初始值输入到LFSR a'。