公开(公告)号：US20170257176A1

公开(公告)日：2017-09-07

申请号：US15229950

申请日：2016-08-05

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Ik Soo EO ,  Sang-Kyun Kim ,  Cheon Soo KIM ,  Jang Hong CHOI

IPC: H04B17/14 ,  H04L1/24

CPC classification number: H04B17/14 ,  H04B17/0085 ,  H04B17/104

Abstract: A method and device for calibrating a DC offset and an I-Q imbalance component of an RF transceiver, the method including inputting a test signal into a transmitter, and converting the test signal into an analogue test signal; converting the analogue test signal using a transmitting mixer; sub-sampling a signal output from the transmitting mixer; and computing a DC offset calibrating constant number and an I-Q imbalance calibrating constant number from a sub-sampled signal.

公开(公告)号：US20180348355A1

公开(公告)日：2018-12-06

申请号：US15956305

申请日：2018-04-18

Applicant: Electronics and Telecommunications Research Institute

Inventor： Ik Soo EO ,  Bon Tae KOO

IPC: G01S13/32 ,  G01S13/34 ,  G01S13/87 ,  G01S7/02 ,  G01S13/58 ,  H01Q21/06

Abstract: Provided is a narrow-band radar device including an orthogonal code generator configured to generate a plurality of orthogonal generators, a pseudo-noise code generator configured to generate a plurality of pseudo-noise codes, a radar transmitter configured to spread-modulate transmission data using the plurality of orthogonal codes and pseudo-noise codes, and a radar receiver configured to demodulate a reception signal using the plurality of orthogonal codes and pseudo-noise codes, and calculate at least one of an azimuth angle, elevation angel, speed, or range of a target from the demodulated reception signal.

公开(公告)号：US20150097708A1

公开(公告)日：2015-04-09

申请号：US14206522

申请日：2014-03-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Mi Jeong PARK ,  Ik Soo EO ,  Sang-Kyun KIM

IPC: H03M7/00

CPC classification number: H03H17/0628

Abstract: A data rate conversion device generates a first parameter representing a memory address position to sample and a second parameter representing a phase value of an estimation time point, records input data at a memory based on an input clock, outputs sampled continued data from the memory using the first parameter based on an output clock, and generates and outputs final data using the continued data, a plurality of filter coefficients, and the second parameter.

Abstract translation: 数据速率转换装置产生表示要采样的存储器地址位置的第一参数和表示估计时间点的相位值的第二参数，基于输入时钟将输入数据记录在存储器中，使用 基于输出时钟的第一参数，并且使用连续数据，多个滤波器系数和第二参数来生成和输出最终数据。

公开(公告)号：US20140044221A1

公开(公告)日：2014-02-13

申请号：US13960555

申请日：2013-08-06

Applicant: Electronics and Telecommunications Research Institute

Inventor： Ik Soo EO ,  Sang Kyun Kim ,  Seon Ho Han

IPC: H04L25/06

CPC classification number: H04L25/061 ,  H04B1/0007 ,  H04L27/3863

Abstract: Embodiments provide a digital RF receiver including a signal converting unit which converts an RF signal received from an external device into a digital signal, a plurality of functional modules which processes the digital signal in accordance with a predetermined algorithm when the digital signal is input, and a signal processing controller which selects at least one of the plurality of functional modules to control the digital signal to be processed in consideration of whether an IF signal component is included in the digital signal or a sampling rate related with sampling information of the digital signal.

Abstract translation: 实施例提供了一种数字RF接收机，包括将从外部设备接收的RF信号转换成数字信号的信号转换单元，当输入数字信号时，根据预定算法对数字信号进行处理的多个功能模块;以及 信号处理控制器，其考虑到数字信号中是否包括IF信号分量或与数字信号的采样信息相关的采样率，选择多个功能模块中的至少一个来控​​制要处理的数字信号。