公开(公告)号：US20200275387A1

公开(公告)日：2020-08-27

申请号：US16871286

申请日：2020-05-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yong-Jun PARK ,  Joo-Han KIM ,  Kyoung-Ho KIM ,  Joohyun DO ,  Mingoo KIM ,  Taelee LEE ,  Dong-Il SON

IPC: H04W52/34 ,  H04W52/36 ,  H04W52/14 ,  H04B17/10

Abstract: An electronic device includes: an antenna; a communication circuit connected with the antenna; and one or more processors, wherein the one or more processors are configured to: identify a second amount of power corresponding to a second output signal outputted through the antenna for a second time using the communication circuit, the operation of identifying the second amount of power comprising an operation of identifying a second electromagnetic wave absorption rate corresponding to the second amount of power; determine a maximum output power for a third output signal to be outputted through the antenna according to a difference between a target electromagnetic wave absorption rate and the second electromagnetic absorption rate; and output the third output signal through the antenna based at least one the maximum output power.

公开(公告)号：US20140105333A1

公开(公告)日：2014-04-17

申请号：US14043203

申请日：2013-10-01

Applicant: SAMSUNG ELECTRONICS CO. LTD.

Inventor： Joo-Han KIM ,  Tae-Yoon KIM ,  Chai-Man LIM

IPC: H04L1/00

CPC classification number: H04L1/0054 ,  H04L1/0045 ,  H04L25/0204 ,  H04L25/0216 ,  H04L25/0218 ,  H04L25/022 ,  H04L25/023

Abstract: An apparatus for iteratively estimating a channel in a receiver of a wireless communication system is provided. The apparatus includes a channel estimator configured to estimate a first channel value by using a pilot symbol included in a received signal, a demodulator configured to demodulate the received signal by using the first channel value, a decoding unit configured to decode the received signal demodulated by the demodulator, a feedback determining unit configured to determine whether to iteratively estimate the channel, and a feedback device configured to feed back an input value of the decoding unit when the feedback determining unit determines to iteratively estimate the channel, wherein when the feedback determining unit determines to iteratively estimate the channel, the channel estimator estimates a second channel value by using at least one of the pilot symbol included in the received signal and a data symbol received from the feedback device.

Abstract translation: 提供了一种用于迭代地估计无线通信系统的接收机中的信道的装置。 该装置包括：信道估计器，被配置为通过使用包括在接收信号中的导频符号来估计第一信道值;解调器，被配置为通过使用第一信道值来解调接收信号;解码单元，被配置为对由 所述解调器，反馈确定单元，被配置为确定是否迭代地估计所述信道;以及反馈设备，被配置为当所述反馈确定单元确定迭代地估计所述信道时反馈所述解码单元的输入值，其中，当所述反馈确定单元 确定迭代地估计信道，信道估计器通过使用包括在接收信号中的导频符号和从反馈设备接收的数据符号中的至少一个来估计第二信道值。

公开(公告)号：US20240056088A1

公开(公告)日：2024-02-15

申请号：US18334744

申请日：2023-06-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joo-Han KIM ,  Beom Kon KIM ,  Woo Wan WANG ,  Dong Hyun LEE ,  Jung Su HAN

IPC: H03M1/06

CPC classification number: H03M1/0607

Abstract: A semiconductor device includes a first ADC configured to sample an input signal based on a first clock signal, quantize the input signal with a first gain, and output a plurality of first output signals, and a second ADC configured to sample the input signal based on a second clock signal obtained by delaying the first clock signal, quantize the input signal with a second gain, and output a plurality of second output signals. The device includes a gain mismatch estimator configured to calculate first and second values which are averages of absolute values of the first output signals and the second output signals, and calculate first and second gain correction values using the first and second values. A gain mismatch compensator is configured to output a plurality of corrected first output signals and corrected second output signals, according to the first and second gain correction values.

公开(公告)号：US20140087677A1

公开(公告)日：2014-03-27

申请号：US14038079

申请日：2013-09-26

Applicant: Samsung Electronics Co. Ltd.

Inventor： Seong-Wook SONG ,  Joo-Han KIM ,  Dong-Kyoon CHO

IPC: H03G3/00

CPC classification number: H03G3/004 ,  H03F1/0222 ,  H03F3/24 ,  H03G3/3042

Abstract: A power control method for controlling a bias voltage of a power amplifier in a transmitting device having the power amplifier is provided. The power control method includes estimating a Peak-to-Average Power Ratio (PAPR) during signal transmission using basis information that is configured for communication in the transmitting device and controlling a bias voltage of the power amplifier based on the estimated PAPR.

Abstract translation: 提供了一种用于控制具有功率放大器的发送装置中的功率放大器的偏置电压的功率控制方法。 功率控制方法包括：使用配置为在发送设备中进行通信的基础信息来估计信号发送期间的峰值平均功率比（PAPR），并且基于估计的PAPR来控制功率放大器的偏置电压。

公开(公告)号：US20190124605A1

公开(公告)日：2019-04-25

申请号：US16164896

申请日：2018-10-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yong-Jun PARK ,  Joo-Han KIM ,  Kyoung-Ho KIM ,  Joohyun DO ,  Mingoo KIM ,  Taelee LEE ,  Dong-Il SON

IPC: H04W52/34

Abstract: An electronic device includes: an antenna; a communication circuit connected with the antenna; and one or more processors, wherein the one or more processors are configured to: identify a second amount of power corresponding to a second output signal outputted through the antenna for a second time using the communication circuit, the operation of identifying the second amount of power comprising an operation of identifying a second electromagnetic wave absorption rate corresponding to the second amount of power; determine a maximum output power for a third output signal to be outputted through the antenna according to a difference between a target electromagnetic wave absorption rate and the second electromagnetic absorption rate; and output the third output signal through the antenna based at least one the maximum output power.