公开(公告)号：US20230370096A1

公开(公告)日：2023-11-16

申请号：US18355021

申请日：2023-07-19

Applicant: Samsung Electronics Co., Ltd. ,  POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

Inventor： Hyunchul PARK ,  Ho-Jin SONG ,  Yonghoon KIM ,  Sunggi YANG ,  Seunguk CHOI ,  Seunghoon LEE

IPC: H04B1/00 ,  H04B1/18 ,  H04B1/04

CPC classification number: H04B1/0007 ,  H04B1/18 ,  H04B1/0458

Abstract: The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system, such as long term evolution (LTE). A circuit for detecting a reflection coefficient of an electronic device in a wireless communication system is provided. The circuit includes at least one processor, a plurality of analog to digital converters (ADCs), a plurality of RF elements, and a plurality of transmission lines including a first transmission line, a second transmission line, and a third transmission line, wherein the plurality of ADCs, the plurality of RF elements, and the plurality of transmission lines are correspondingly connected to each other, respectively, the plurality of ADCs are connected to the at least one processor.

公开(公告)号：US20220294542A1

公开(公告)日：2022-09-15

申请号：US17633943

申请日：2020-08-10

Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

Inventor： Hojin SONG ,  Seunghoon LEE

IPC: H04B17/15 ,  H04B17/00 ,  H04B17/11

Abstract: A measuring device may include: a signal generator for generating a test signal; and a measurement control unit that inputs the generated test signal to a radio frequency (RF) chain including at least one circuit element, detects output signals of a first diode, a second diode, and a third diode which receive, as input signals, signals generated on the basis of a coupled signal for an input test signal of a circuit element of the at least one circuit element and a coupled signal for an output test signal of the circuit element, and measures an S-parameter for the circuit element on the basis of a component signal of the third frequency in the output signal of the first diode, a component signal of the third frequency in the output signal of the third diode, and the output signal of the second diode.