公开(公告)号：EP3113283A4

公开(公告)日：2017-09-20

申请号：EP15755089

申请日：2015-02-27

申请人： SAMSUNG ELECTRONICS CO LTD

发明人： JUNG DONG-YUN ,  CHOI SUNG-TAE ,  KIM JI-HOON ,  ROH YI-JU ,  SHIM YUN-A ,  LEE DONG-HYUN ,  HONG SEUNG-PYO

IPC分类号： H01Q3/30 ,  H01Q1/24 ,  H01Q3/24 ,  H01Q3/26 ,  H01Q9/16 ,  H01Q21/06 ,  H01Q21/28 ,  H01Q25/00

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

摘要： 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： 电子设备被提供在无线通信系统中。 该设备包括多个天线组; 配置多个天线组的多个天线元件; RF收发器，其包括用于选择所述多个天线元件的多个开关以及用于移位通过所述多个天线元件发送/接收的信号的相位的多个移相器; 以及控制单元，用于通过根据波束簿同时控制所述多个开关和所述多个移相器来确定波束形成方向和所述信号的相位。

公开(公告)号：EP3091702A4

公开(公告)日：2017-09-06

申请号：EP15733140

申请日：2015-01-02

申请人： SAMSUNG ELECTRONICS CO LTD

发明人： ROH YI-JU ,  KIM JI-HOON ,  SON JU-HO ,  SHIM YUN-A ,  LEE DONG-HYUN ,  JUNG DONG-YUN ,  CHOI SUNG-TAE ,  HONG SEUNG-PYO

IPC分类号： H04B1/30 ,  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： 本发明涉及一种用于直接转换接收器的直流偏移校准的方法和设备，直接转换接收器的直流（DC）偏移校准设备包括多个可变增益放大器，用于放大基于 增益控制值; DC偏移监视单元，用于监视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），用于控制施加到多个可变增益中的每一个的电流 以及DC偏移消除单元，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组，从而可以精确地取消DC偏移而不受外部因素的影响，例如 可以防止接收器的信号调制方法和热量和性能下降。