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    • 5. 发明申请
    • METHOD AND EQUIPMENT FOR CONTROLLING RADIO-FREQUENCY SIGNAL
    • 用于控制无线电频率信号的方法和设备
    • US20140233677A1
    • 2014-08-21
    • US14240620
    • 2013-04-12
    • Comba Telecom Systems (China) Ltd.
    • Zhansheng ZhangShuanlong Pan
    • H04L25/08H04L25/06
    • H04L25/08H04L25/06H04L27/3411H04L27/367
    • The present invention describes a RF signal control method and device that adjusts the first down-converter gain attenuation and uses the adjusted first down-converter gain attenuation to change the RF signal. The RF signal control method and device also uses a determined linear filter parameter to perform linearity improvement on the digital signal after the RF signal goes through a down-converter and analog-to-digital converter. The RF signal control method and device use an increased up-converter gain attenuation value to correct the RF input signal after digital pre-distortion operation, so that the adjusted and/or improved signals after power amplification have better quality than the RF signal with just a simple analog-to-digital converter and clipping equipment. Thus, the current application improves the linearity effect of digital pre-distortion operation and the dynamic effect of the power amplifier operation, thereby promoting the coverage effect of the RF output signal.
    • 本发明描述了一种RF信号控制方法和装置,其调节第一下变换器增益衰减并且使用经调整的第一下变频器增益衰减来改变RF信号。 RF信号控制方法和装置还使用确定的线性滤波器参数来在RF信号经过下变频器和模数转换器之后对数字信号进行线性改善。 RF信号控制方法和装置使用增加的上变频器增益衰减值来在数字预失真操作之后校正RF输入信号,使得功率放大后的调整和/或改善的信号具有比RF信号更好的质量 一个简单的模拟 - 数字转换器和剪辑设备。 因此,目前的应用提高了数字预失真操作的线性效应和功率放大器操作的动态效果,从而提高了RF输出信号的覆盖效果。
    • 7. 发明授权
    • Method and equipment for controlling radio-frequency signal
    • 控制射频信号的方法和设备
    • US09160583B2
    • 2015-10-13
    • US14240620
    • 2013-04-12
    • Comba Telecom Systems (China) Ltd
    • Zhansheng ZhangShuanlong Pan
    • H04L27/36H04L25/08H04L27/34H04L25/06
    • H04L25/08H04L25/06H04L27/3411H04L27/367
    • The present invention describes a RF signal control method and device that adjusts the first down-converter gain attenuation and uses the adjusted first down-converter gain attenuation to change the RF signal. The RF signal control method and device also uses a determined linear filter parameter to perform linearity improvement on the digital signal after the RF signal goes through a down-converter and analog-to-digital converter. The RF signal control method and device use an increased up-converter gain attenuation value to correct the RF input signal after digital pre-distortion operation, so that the adjusted and/or improved signals after power amplification have better quality than the RF signal with just a simple analog-to-digital converter and clipping equipment. Thus, the current application improves the linearity effect of digital pre-distortion operation and the dynamic effect of the power amplifier operation, thereby promoting the coverage effect of the RF output signal.
    • 本发明描述了一种RF信号控制方法和装置,其调节第一下变换器增益衰减并且使用经调整的第一下变频器增益衰减来改变RF信号。 RF信号控制方法和装置还使用确定的线性滤波器参数来在RF信号经过下变频器和模数转换器之后对数字信号进行线性改善。 RF信号控制方法和装置使用增加的上变频器增益衰减值来在数字预失真操作之后校正RF输入信号,使得功率放大后的调整和/或改善的信号具有比RF信号更好的质量 一个简单的模拟 - 数字转换器和剪辑设备。 因此,目前的应用提高了数字预失真操作的线性效应和功率放大器操作的动态效果,从而提高了RF输出信号的覆盖效果。
    • 8. 发明申请
    • MULTI-FREQUENCY ARRAY ANTENNA
    • 多频阵列天线
    • US20150288065A1
    • 2015-10-08
    • US14442975
    • 2013-10-24
    • COMBA TELECOM SYSTEMS (CHINA) LTD.
    • Peitao LiuFeifei JiaShanqiu Sun
    • H01Q5/20H01Q21/26H01Q19/10H01Q5/40
    • H01Q5/20H01Q1/246H01Q5/40H01Q5/42H01Q9/26H01Q19/10H01Q19/106H01Q21/26
    • A multi-frequency array antenna, includes a reflective metal plate, a low-frequency radiation column element which is arranged on the reflective metal plate and operating in a first frequency band range, and a high-frequency radiation column element operating in a second frequency band range. The low-frequency radiation column element comprises several low-frequency radiation units arranged at an equal first distance in the axial direction of a first reference axis. The high-frequency radiation column element comprises several high-frequency radiation units arranged at an equal second distance in the axial direction of the first reference axis. The first distance is 2.5 times the second distance. At least one of the low-frequency radiation units is nested with one high-frequency radiation unit locationally corresponding thereto, and at least one of the low-frequency radiation units is axially located between two adjacent high-frequency radiation units close to the low-frequency radiation unit.
    • 多频阵列天线包括反射金属板,布置在反射金属板上并在第一频带范围内工作的低频辐射柱元件和以第二频率工作的高频辐射柱元件 带范围。 低频辐射柱元件包括在第一参考轴线的轴向上以相等的第一距离布置的若干低频辐射单元。 高频辐射柱元件包括在第一参考轴线的轴向上以相等的第二距离布置的几个高频辐射单元。 第一个距离是第二个距离的2.5倍。 低频辐射单元中的至少一个嵌套有位于其对应的一个高频辐射单元,并且低频辐射单元中的至少一个轴向位于靠近低频辐射单元的两个相邻的高频辐射单元之间, 频率辐射单位。
    • 9. 发明申请
    • CONTROL METHOD AND EQUIPMENT FOR RADIO-FREQUENCY SIGNAL
    • 无线电频率信号的控制方法和设备
    • US20140233676A1
    • 2014-08-21
    • US14240564
    • 2013-04-12
    • Comba Telecom Systems (China) Ltd
    • Zhansheng ZhangShuanlong Pan
    • H04B1/04
    • H04B1/0475H03F1/3241H03G3/3042H03G3/3047H04B2001/0416H04B2001/0425
    • The present invention describes a RF signal control method and device that changes the gain attenuation in real time and uses the changed gain attenuation to adjust the RF input signal. The RF signal control method and device also uses determined linear filter parameters for linearity improvement on the digital signal that results from a down-conversion and analog-to-digital converter on the RF input signal. The adjusted and improved signal is output after a digital pre-distortion and power amplification operation. In comparison with existing technologies, the adjusted gain attenuation is used to make adjustment on the RF input signal and improve linearity the RF input signal such that the resulting RF signal has better quality. Thus, the current application improves the linearity effect of a digital pre-distorter and the dynamic effect of a power amplifier for the RF signal, thereby enhancing coverage of the RF output signal.
    • 本发明描述了实时改变增益衰减的RF信号控制方法和装置,并且使用改变的增益衰减来调整RF输入信号。 RF信号控制方法和装置还使用确定的线性滤波器参数来对由RF输入信号上的下变频和模数转换器产生的数字信号进行线性改善。 在数字预失真和功率放大操作之后,调整和改善的信号被输出。 与现有技术相比,调整后的增益衰减用于对RF输入信号进行调整,并提高RF输入信号的线性度,使得所得到的RF信号具有更好的质量。 因此,当前的应用改进了数字预失真器的线性效应和功率放大器对RF信号的动态效应,从而增强了RF输出信号的覆盖。