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    • 6. 发明授权
    • Apparatus of 60 GHZ band modem
    • 60 GHZ频带调制解调器的装置
    • US08675715B2
    • 2014-03-18
    • US12977261
    • 2010-12-23
    • Mun Geon KyeongYun Ho ChoiWoo Yong Lee
    • Mun Geon KyeongYun Ho ChoiWoo Yong Lee
    • H04B1/38
    • H01Q3/02H01Q1/2258H04B1/7163
    • A high-bandwidth communication modem such as an ultra wideband (UWB) communication modem or a high-giga wideband (HGWB) modem includes an interface configured to transceive data in connection with a host device, a baseband processor configured to process, in a parallel manner, a baseband signal being transceived between the interface and a parallel/serial converter, the parallel/serial converter configured to combine a parallel signal into a serial signal and output the serial signal, and separate a serial signal into a parallel signal and output the parallel signal, a radio frequency (RF) processor configured to reduce a frequency of a received UWB or HGWB signal and transmit the frequency-reduced signal to the parallel/serial converter, and increase a frequency of the serial signal received from the parallel/serial converter and transmit the frequency-increased signal to a directional antenna, and the directional antenna configured to transceive a wireless signal by forming a directional beam and control a direction of the directional beam.
    • 诸如超宽带(UWB)通信调制解调器或高千兆宽带(HGWB)调制解调器的高带宽通信调制解调器包括被配置为收发与主机设备相关的数据的接口,被配置为以并行方式处理的基带处理器 方式,在接口和并行/串行转换器之间收发基带信号,并行/串行转换器被配置为将并行信号组合成串行信号并输出​​串行信号,并将串行信号分离成并行信号并输出 并行信号,射频(RF)处理器,被配置为降低接收的UWB或HGWB信号的频率,并将频率降低的信号发送到并行/串行转换器,并且增加从并行/串行接收的串行信号的频率 转换器,并将频率增加的信号发送到定向天线,并且定向天线被配置成通过形成一个无线信号来收发无线信号 光束束并控制方向光束的方向。
    • 9. 发明授权
    • Radio frequency receiver
    • 射频接收机
    • US08774747B2
    • 2014-07-08
    • US13488902
    • 2012-06-05
    • Seok-bong HyunBong Hyuk ParkYun Ho ChoiJae Ho Jung
    • Seok-bong HyunBong Hyuk ParkYun Ho ChoiJae Ho Jung
    • H04B1/10H03D1/06
    • H03F3/45179H03F3/72H03F2200/294H03F2203/45302H03F2203/45394H03F2203/7236
    • A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.
    • 本发明的射频接收机在没有SAW滤波器的情况下去除带外干扰信号和干扰信号。 射频接收机包括:放大通过天线接收的信号的低噪声放大器; 二阶互调消除单元去除由低噪声放大器输出的信号中包含的带外干扰或干扰信号引起的二阶互调; 无源混频器单元,转换从二阶互调消除单元输出的信号的频率; 以及低通滤波器单元,去除从无源混频器单元输出的信号中包含的带外干扰或干扰信号,并且将从其去除的带外干扰或干扰信号的信号传送到跨阻抗放大器。