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    • 119. 发明授权
    • Wireless transmission
    • 无线传输
    • US09344311B2
    • 2016-05-17
    • US14357633
    • 2012-11-14
    • Ericsson Modems SA
    • Magnus Nilsson
    • H03J7/32H04L27/20H04B1/04
    • H04L27/20H03F1/02H03F3/24H04B1/0475H04B2001/045
    • A wireless communication device (400) is arranged to transmit a transmission signal in an assigned channel bandwidth. The wireless communication device (400) comprises: a local oscillator (460) arranged to generate a local oscillator signal at a local oscillator frequency and a modulator (434) arranged for converting in-phase and quadrature-phase components of a modulation signal at a modulation frequency to a radio frequency by mixing the in-phase and quadrature-phase components with the local oscillator signal. The local oscillator frequency is arranged to place a third order intermodulation product having a frequency equal to the local oscillator frequency minus three times the modulation frequency within the assigned channel bandwidth.
    • 无线通信设备(400)被布置为以分配的信道带宽发送传输信号。 无线通信设备(400)包括:本地振荡器(460),其被布置为以本地振荡器频率产生本地振荡器信号;以及调制器(434),其被配置用于将调制信号的同相和正交相位分量转换为 通过将同相和正交相分量与本地振荡器信号混合,将调制频率转换为射频。 本地振荡器频率被布置成将具有等于本地振荡器频率的频率的三阶互调乘积减去在分配的信道带宽内的调制频率的三倍。