公开(公告)号：US10396964B2

公开(公告)日：2019-08-27

申请号：US15812434

申请日：2017-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin Lee ,  Younsun Kim ,  Yongjun Kwak ,  Youngbum Kim ,  Juho Lee ,  Hyoungju Ji

IPC: H04L5/00 ,  H04B7/0456 ,  H04B7/06

Abstract: A method and an apparatus for transmitting/receiving feedback in a mobile communication system are provided. A method of configuring and receiving feedback information of an evolved Node B (eNB) includes transmitting configuration information on a plurality of reference signals including a first reference signal and a second reference signal to a User Equipment (UE); transmitting feedback configuration information including first feedback configuration information on the first reference signal and second feedback configuration information configured such that feedback information on the second reference signal is generated with reference to the first feedback configuration information to the UE; transmitting the reference signal to the UE according to the configuration information on the reference signal; and receiving feedback information including first feedback information according to the first feedback configuration information and second feedback information according to the second feedback configuration information from the UE.

公开(公告)号：US10264535B2

公开(公告)日：2019-04-16

申请号：US15021199

申请日：2014-09-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongjun Kwak ,  Juho Lee ,  Younsun Kim

IPC: H04W52/50 ,  H04W8/00 ,  H04W72/04 ,  H04W52/32 ,  H04W76/14 ,  H04W52/24 ,  H04W52/38 ,  H04W52/14 ,  H04W48/12

Abstract: Provided is a method of signal transmission and reception for a user equipment (UE) in a mobile communication system. The method may include: receiving configuration information for discovery signals from a base station (ENB); determining a transmission resource for a discovery signal on the basis of the received configuration information; and sending a discovery signal utilizing a transmit power determined based on the position of the transmission resource and the configuration information. Accordingly, it is possible to reduce interference effects caused by UEs transmitting a signal and improve communication performance in a mobile communication system.

公开(公告)号：US10075971B2

公开(公告)日：2018-09-11

申请号：US14703234

申请日：2015-05-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin Lee ,  Cheolkyu Shin ,  Yongjun Kwak ,  Younsun Kim ,  Juho Lee

IPC: H04W72/12 ,  H04B15/00 ,  H04W72/08 ,  H04L25/06 ,  H04W72/04 ,  H04L1/00

CPC classification number: H04W72/1263 ,  H04B15/00 ,  H04L1/0048 ,  H04L23/00 ,  H04L25/067 ,  H04W72/04 ,  H04W72/082

Abstract: The present invention relates to a method and an apparatus for transmitting interference related control information in order to improve reception performance of a UE which receives a downlink signal, in a cellular mobile communication system based on an Long Term Evolution-Advanced (LTE-A) system. A communication method of a UE according to an embodiment of the present invention includes receiving information on a resource allocation unit of an interference signal from an eNB; performing blind detection using information on the resource allocation unit of the interference signal; performing error-correcting coding using a transmission parameter for interference and a result obtained by the blind detection; and decoding reception data. According to an embodiment of the present invention, a reception performance of the UE can be improved through interference cancellation and suppression.

公开(公告)号：US20180152987A1

公开(公告)日：2018-05-31

申请号：US15865077

申请日：2018-01-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangmin Ro ,  Yongjun Kwak ,  Jinyoung Oh ,  Seunghoon Choi

IPC: H04W84/18 ,  H04W92/18 ,  H04W88/06 ,  H04W56/00 ,  H04W4/70 ,  H04L29/08 ,  H04L27/26 ,  H04B7/26 ,  H04L27/00

CPC classification number: H04W84/18 ,  H04B7/2696 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2657 ,  H04L29/08306 ,  H04L2027/0097 ,  H04W4/70 ,  H04W8/005 ,  H04W56/001 ,  H04W56/002 ,  H04W56/0025 ,  H04W76/14 ,  H04W88/06 ,  H04W92/18

Abstract: Provided is a method of generating a Device-to-Device Synchronization Signal (D2DSS) by a terminal according to an embodiment of the present disclosure. The method includes determining a service attribute for identifying whether the terminal is serviced by at least one base station; and generating a D2DSS for identifying whether the terminal is serviced by the base station, based on the determination result. In addition, provided is a method of configuring D2D synchronization by a terminal according to an embodiment of the present disclosure. The method includes receiving a signal from at least one base station or another device; determining whether a synchronization signal is detected from the received signal; and when the synchronization signal is detected, configuring synchronization with the another device based on the timing reference of the detected synchronization signal.

公开(公告)号：US09867230B2

公开(公告)日：2018-01-09

申请号：US15470755

申请日：2017-03-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangmin Ro ,  Yongjun Kwak ,  Jinyoung Oh ,  Seunghoon Choi

IPC: H04W4/00 ,  H04W84/18 ,  H04B7/26 ,  H04L29/08 ,  H04W56/00 ,  H04L27/26 ,  H04W92/18 ,  H04W88/06 ,  H04L27/00

CPC classification number: H04W84/18 ,  H04B7/2696 ,  H04L5/0048 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2657 ,  H04L29/08306 ,  H04L2027/0097 ,  H04W4/70 ,  H04W8/005 ,  H04W56/001 ,  H04W56/002 ,  H04W56/0025 ,  H04W76/14 ,  H04W88/06 ,  H04W92/18

Abstract: Provided is a method of generating a Device-to-Device Synchronization Signal (D2DSS) by a terminal according to an embodiment of the present disclosure. The method includes determining a service attribute for identifying whether the terminal is serviced by at least one base station; and generating a D2DSS for identifying whether the terminal is serviced by the base station, based on the determination result. In addition, provided is a method of configuring D2D synchronization by a terminal according to an embodiment of the present disclosure. The method includes receiving a signal from at least one base station or another device; determining whether a synchronization signal is detected from the received signal; and when the synchronization signal is detected, configuring synchronization with the another device based on the timing reference of the detected synchronization signal.

公开(公告)号：US09860103B2

公开(公告)日：2018-01-02

申请号：US14663737

申请日：2015-03-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheolkyu Shin ,  Hyojin Lee ,  Yongjun Kwak ,  Younsun Kim ,  Youngbum Kim ,  Juho Lee ,  Hyoungju Ji

IPC: H04W72/08 ,  H04L27/36 ,  H04L1/20 ,  H04L5/00 ,  H04L27/00 ,  H04L27/38

CPC classification number: H04L27/366 ,  H04L1/206 ,  H04L5/0073 ,  H04L27/0012 ,  H04L27/38

Abstract: A method for transmitting interference related control information in order to improve a reception performance of a terminal that receives a downlink in a cellular mobile communication system based on the LTE-A system includes receiving a higher layer control message including probability information of a modulation scheme for an interference signal, from a base station, and performing error-correcting coding using a probability value of a modulation scheme for an interference signal, which is included in the higher layer control message. A base station in a mobile communication system, the base station includes a controller configured to generate probability information of a modulation scheme for an interference signal, and transmit, to the terminal, a higher layer control message comprising the probability information of the modulation scheme for the interference signal.

公开(公告)号：US09807716B2

公开(公告)日：2017-10-31

申请号：US14170772

申请日：2014-02-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangmin Ro ,  Yongjun Kwak ,  Hyoungju Ji ,  Joonyoung Cho ,  Younsun Kim ,  Seunghoon Choi

IPC: H04J3/06 ,  H04W56/00

CPC classification number: H04W56/001 ,  H04W56/00 ,  H04W56/002

Abstract: A terminal and method of performing device-to-device (D2D) communication by a terminal in a wireless communication system is provided. The method includes determining if a signal including synchronization information is received via at least one of an uplink and a downlink; and when the signal including the synchronization information is not received, transmitting a synchronization information-containing signal.

公开(公告)号：US09344240B2

公开(公告)日：2016-05-17

申请号：US14245423

申请日：2014-04-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun Kim ,  Jinyoung Oh ,  Hyojin Lee ,  Yongjun Kwak ,  Hyoungju Ji ,  Youngbum Kim

IPC: H04L5/00

CPC classification number: H04L5/0046 ,  H04L1/0016 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0055 ,  H04L5/0057 ,  H04L5/006 ,  H04L5/0073

Abstract: A method and an apparatus for transmitting and receiving signals modulated with 256 Quadrature Amplitude Modulation (256QAM) for use in a mobile communication system are provided. The method includes receiving a first signal from a terminal, determining a modulation application criterion for data communication with the terminal based on the first signal, receiving a second signal including an index from the terminal, and determining a modulation scheme to be applied to at least one of the signals communicating with the terminal based on the modulation application criterion and the received index.

Abstract translation: 提供一种用于发送和接收用于在移动通信系统中使用的256正交幅度调制（256QAM）调制的信号的方法和装置。 该方法包括从终端接收第一信号，基于第一信号确定用于与终端进行数据通信的调制应用准则，从终端接收包括索引的第二信号，以及至少应用至少应用调制方案 基于调制应用准则和接收到的索引，与终端通信的信号之一。

公开(公告)号：US09258090B2

公开(公告)日：2016-02-09

申请号：US14206704

申请日：2014-03-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongjun Kwak ,  Younsun Kim ,  Hyojin Lee ,  Juho Lee

IPC: H04B1/00 ,  H04L5/00 ,  H04L27/00

CPC classification number: H04L5/0048 ,  H04L5/0037 ,  H04L5/0046 ,  H04L5/0073 ,  H04L5/0091 ,  H04L27/0012

Abstract: Methods and apparatus are provided for receiving a serving signal from a base station by a user equipment. A signal that includes the serving signal and an interference signal is received. A Log Likelihood Ratio (LLR) of the received signal is calculated according to each of a plurality of modulation orders applicable to the interference signal to obtain a plurality of LLR values. A modulation order of the interference signal is determined, based on the plurality of LLR values. The serving signal is reconstructed, based on the determined modulation order.

Abstract translation: 提供了用于通过用户设备从基站接收服务信号的方法和装置。 接收包括服务信号和干扰信号的信号。 根据可应用于干扰信号的多个调制阶数中的每一个计算接收信号的对数似然比（LLR），以获得多个LLR值。 基于多个LLR值来确定干扰信号的调制阶数。 基于所确定的调制顺序重构服务信号。

公开(公告)号：US20140254516A1

公开(公告)日：2014-09-11

申请号：US14200445

申请日：2014-03-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin Lee ,  Younsun Kim ,  Yongjun Kwak ,  Youngbum Kim ,  Juho Lee ,  Hyoungju Ji

IPC: H04W74/00

Abstract: A method and apparatus for transmitting control information is provided for use in detection of interference an signal in a wireless communication system. An interference control method of a base station of a mobile communication system includes scheduling data to be transmitted to a terminal and transmitting control information including data channel information on the scheduled data and interference signal information to the terminal.

Abstract translation: 提供用于发送控制信息的方法和装置，用于在无线通信系统中的信号的干扰检测中使用。 移动通信系统的基站的干扰控制方法包括调度要发送到终端的数据，并向终端发送包括关于调度数据和干扰信号信息的数据信道信息的控制信息。