发明授权
US07916770B2 Method of generating spreading codes, CDMA transmission apparatus, and CDMA reception apparatus 有权
产生扩展码的方法,CDMA发送装置和CDMA接收装置

  • 专利标题: Method of generating spreading codes, CDMA transmission apparatus, and CDMA reception apparatus
  • 专利标题(中): 产生扩展码的方法,CDMA发送装置和CDMA接收装置
  • 申请号: US10563248
    申请日: 2004-06-28
  • 公开(公告)号: US07916770B2
    公开(公告)日: 2011-03-29
  • 发明人: Mitsuru Uesugi
  • 申请人: Mitsuru Uesugi
  • 申请人地址: JP Osaka
  • 专利权人: Panasonic Corporation
  • 当前专利权人: Panasonic Corporation
  • 当前专利权人地址: JP Osaka
  • 代理机构: Dickinson Wright PLLC
  • 优先权: JP2003-272882 20030710
  • 国际申请: PCT/JP2004/009449 WO 20040628
  • 国际公布: WO2005/006623 WO 20050120
  • 主分类号: H04B1/00
  • IPC分类号: H04B1/00
Method of generating spreading codes, CDMA transmission apparatus, and CDMA reception apparatus
摘要:
ej(2nπ/N) calculating section 101 generates a bth chip C(a,b) of an ath spreading code based on C(a,b)=ej(2nπ/N) where e is a base of natural logarithm and N is a length of the spreading code (i.e. spreading code length). It is assumed in the above equation that n=a×b, a=0˜N−1, and b=0˜N−1. It is thereby possible to generate orthogonal spreading codes with arbitrary lengths.
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