会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明授权
    • Transmit diversity apparatus and method using two or more antennas
    • 使用两个或多个天线的发射分集装置和方法
    • US07212578B2
    • 2007-05-01
    • US09935553
    • 2001-08-22
    • Hyun-Woo LeeHo Kyu ChoiYong-Jun KwakSung-Jin Kim
    • Hyun-Woo LeeHo Kyu ChoiYong-Jun KwakSung-Jin Kim
    • H04B7/02
    • H04B7/0669H04B7/0678
    • A transmit diversity system having at least four antennas. A first adder adds a first spread signal obtained by spreading a first symbol pattern with a first orthogonal code to a second spread signal obtained by spreading the first symbol pattern with a second orthogonal code, and transmits the added signal through a first antenna. A second adder adds the first spread signal to a third spread signal obtained by spreading an inverted symbol pattern of the first symbol pattern with the second orthogonal code, and transmits the added signal through a second antenna. A third adder adds a fourth spread signal obtained by spreading a second symbol pattern with the first orthogonal code to a fifth spread signal obtained by spreading the second symbol pattern with the second orthogonal code, and transmits the added signal through a third antenna. A fourth adder adds the fourth spread signal to a sixth spread signal obtained by spreading an inverted symbol of the second symbol pattern with the second orthogonal code, and transmits the added signal through a fourth antenna.
    • 一种具有至少四个天线的发射分集系统。 第一加法器将通过用第一正交码扩展第一符号模式而获得的第一扩展信号加到通过用第二正交码扩展第一符号模式而获得的第二扩展信号,并通过第一天线发送相加信号。 第二加法器将第一扩展信号与通过用第二正交码扩展第一符号图案的反相符号图案而获得的第三扩展信号相加,并通过第二天线发送相加的信号。 第三加法器将通过用第一正交码扩展第二符号模式而获得的第四扩展信号加到通过用第二正交码扩展第二符号模式而获得的第五扩展信号,并通过第三天线发送相加的信号。 第四加法器将第四扩展信号与通过用第二正交码扩展第二符号模式的反相符号获得的第六扩展信号相加,并通过第四天线发送相加信号。