公开(公告)号：US20160330049A1

公开(公告)日：2016-11-10

申请号：US15109376

申请日：2015-01-02

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Yi-Ju ROH ,  Ji-Hoon KIM ,  Ju-Ho SON ,  Yun-A SHIM ,  Dong-Hyun LEE ,  Dong-Yun JUNG ,  Sung-Tae CHOI ,  Seung-Pyo HONG

IPC分类号： H04L25/06

CPC分类号： H04L25/06 ,  H03D2200/0047 ,  H04B1/30 ,  H04B2001/305

摘要： The present invention relates to a method and an apparatus for direct current offset calibration of a direct conversion receiver, a Direct Current (DC) offset calibration apparatus of a direct conversion receiver includes a plurality of variable gain amplifiers for amplifying an input signal based on a gain control value, a DC offset monitoring unit for monitoring a DC offset for an output signal of the plurality of variable gain amplifiers, a plurality of variable Digital to Analog Converters (DACs) for controlling a current applied to each of the plurality of variable gain amplifiers according to a current control code, and a DC offset cancellation unit for determining a current control code set which minimizes the DC offset value per preset gain control value, and thus the DC offset can be precisely cancelled without being affected by external factors such as a signal modulation method and heat and performance degradation of the receiver can be prevented.

摘要翻译： 本发明涉及直接转换接收机的直流偏移校准的方法和装置，直接转换接收机的直流（DC）偏移校准装置包括多个可变增益放大器，用于基于输入信号放大输入信号 增益控制值; DC偏移监视单元，用于监视所述多个可变增益放大器的输出信号的DC偏移;多个可变数模转换器（DAC），用于控制施加到所述多个可变增益中的每一个的可变增益 根据当前控制码的放大器以及用于确定使每个预设增益控制值的DC偏移值最小化的电流控制码集的DC偏移消除单元，因此可以精确地消除DC偏移，而不受外部因素的影响，例如 可以防止信号调制方法和接收机的热和性能退化。

公开(公告)号：US20170012359A1

公开(公告)日：2017-01-12

申请号：US15121213

申请日：2015-02-27

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Dong-Yun JUNG ,  Sung-Tae CHOI ,  Ji-Hoon KIM ,  Yi-Ju ROH ,  Yun-A SHIM ,  Dong-Hyun LEE ,  Seung-Pyo HONG

IPC分类号： H01Q9/16 ,  H01Q3/30 ,  H01Q1/24 ,  H01Q21/06

CPC分类号： H01Q9/16 ,  H01Q1/241 ,  H01Q3/30 ,  H01Q21/065 ,  H01Q21/28

摘要： The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). An electronic device is provided in a wireless communication system. The device comprises a plurality of antenna sets; a plurality of antenna elements configuring the plurality of antenna sets; an RF transceiver including a plurality of switches for selecting the plurality of antenna elements and a plurality of phase shifters for shifting the phase of a signal transmitted/received through the plurality of antenna elements; and a control unit for determining a beam forming direction and the phase of the signal by simultaneously controlling the plurality of switches and the plurality of phase shifters according to a beambook.

摘要翻译： 本公开涉及要提供用于支持超过第四代（4G）通信系统（诸如长期演进（LTE））的更高数据速率的第5代（5G）或5G通信系统。 电子设备设置在无线通信系统中。 该装置包括多个天线组; 配置多个天线组的多个天线元件; 包括用于选择多个天线元件的多个开关的RF收发器和用于移动通过多个天线元件发送/接收的信号的相位的多个移相器; 以及控制单元，用于通过根据波束图同时控制多个开关和多个移相器来确定波束形成方向和信号的相位。