公开(公告)号：US20150304868A1

公开(公告)日：2015-10-22

申请号：US14687144

申请日：2015-04-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Kyu YU ,  Jeong-Ho PARK ,  Cheol JEONG ,  Chang-Hyun KIM ,  Jae-Eun KANG ,  Kang-Jin YOON

IPC: H04W24/08 ,  H04L5/00 ,  H04W56/00 ,  H04W72/04 ,  H04W72/00

CPC classification number: H04W56/001 ,  H04B7/0617 ,  H04L5/0035 ,  H04L5/0048 ,  H04W48/12 ,  H04W48/20

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An apparatus and a method for searching neighboring cells in a wireless communication system are provided. The method includes receiving, from adjacent base stations, a part of a first set of reference signals that are beamformed using different transmission beams arranged in a first order, the part of the first set of the reference signals being received during a first measurement interval in a first time interval, and receiving, from the adjacent base stations, a part of a second set of the reference signals that are beamformed using different transmission beams arranged in a second order, which is different from the first order, the part of the second set of the reference signals being received during a second measurement interval in a second time interval.

Abstract translation: 本公开涉及提供用于支持更高数据速率的第5代（5G）或5G通信系统超越第四代（4G）通信系统，例如长期演进（LTE）。 提供了一种在无线通信系统中搜索相邻小区的装置和方法。 该方法包括从相邻基站接收使用以一级排列的不同传输波束成波束形成的第一组参考信号的一部分，第一组参考信号的部分在第一测量间隔期间被接收 第一时间间隔，并且从相邻基站接收使用不同于第一级的二次排列的不同透射光束波束形成的参考信号的第二组的一部分，第二组的第二组 在第二时间间隔期间在第二测量间隔期间接收参考信号的集合。

公开(公告)号：US20140211891A1

公开(公告)日：2014-07-31

申请号：US14164731

申请日：2014-01-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeong-Ho PARK ,  Won-Suk CHOI ,  Hyun-Kyu YU ,  Jae-Weon CHO

IPC: H03G3/20 ,  H04B1/16

CPC classification number: H04B1/16 ,  H03G3/3068 ,  H04B7/0617

Abstract: A signal reception apparatus in a communication system supporting a beam forming scheme is provided. The signal reception apparatus includes a Low Noise Amplifier (LNA) configured to generate a second signal by amplifying a first signal according to a first gain value, a Variable Gain Amplifier (VGA) configured to generate a third signal by amplifying the second signal according to a second gain value, and an Automatic Gain Controller (AGC) configured to control the first gain value and the second gain value by considering a plurality of beam types supported in a signal transmission apparatus.

Abstract translation: 提供了一种支持波束形成方案的通信系统中的信号接收装置。 信号接收装置包括：低噪声放大器（LNA），其被配置为通过根据第一增益值放大第一信号来产生第二信号;可变增益放大器（VGA），其被配置为通过根据第二增益放大器生成第三信号， 第二增益值和自动增益控制器（AGC），其被配置为通过考虑在信号传输装置中支持的多个波束类型来控制第一增益值和第二增益值。

公开(公告)号：US20130072247A1

公开(公告)日：2013-03-21

申请号：US13622116

申请日：2012-09-18

Applicant: Samsung Electronics Co. Ltd.

Inventor： Jeong-Ho PARK ,  Su-Ryong JEONG ,  Ji-Yun SEOL ,  Hyun-Kyu YU

IPC: H04W72/06

CPC classification number: H04W72/08 ,  H04B7/0408 ,  H04B7/043 ,  H04B7/0632 ,  H04B7/10 ,  H04L5/0057 ,  H04W16/28 ,  H04W84/045

Abstract: A method for operating a base station in a wireless communication system in order to support a plurality of propagation characteristics is provided. The method includes allocating resource periods for respective propagation characteristics, transmitting system information including information on the propagation characteristics, transmitting a reference signal with the propagation characteristic corresponding to the relevant resource period through at least one of the resource periods, and receiving feedback information determining channel qualities for all of the propagation characteristics.

公开(公告)号：US20210195538A1

公开(公告)日：2021-06-24

申请号：US17195433

申请日：2021-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Kyu YU ,  Tae-Young KIM ,  Jae-Weon CHO

IPC: H04W56/00 ,  H04W72/04 ,  H04W48/12

Abstract: A base station and terminal use methods of obtaining synchronization and system information in a wireless communication system. An operation of a base station includes generating a synchronization signal to be transmitted through a Synchronization Channel (SCH), generating a broadcast signal to be transmitted through a Broadcast Channel (BCH), and transmitting repetitively the SCH and the BCH by performing beamforming on the channels with different transmission beams.

公开(公告)号：US20180359746A1

公开(公告)日：2018-12-13

申请号：US15775297

申请日：2016-11-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae-Won KIM ,  Hyun-Kyu YU ,  Yong-Seok KIM ,  Beom-Sik BAE

IPC: H04W72/04 ,  H04W74/00 ,  H04B7/0413 ,  H04W72/02 ,  H04L5/00 ,  H04W74/02

Abstract: The present invention relates to a 5th-generation (5G) or pre-5G communication system to be provided to support a higher data transmission rate beyond a 4th-generation (4G) communication system such as long term evolution (LTE). The present invention relates to a method for performing a random access process by a base station in a communication system supporting a beamforming scheme, the method comprising the steps of: transmitting information on a reception beam corresponding to each unit time interval; performing, in each unit time interval, a reception beam sweeping process on the basis of the reception beam corresponding to each unit time interval; stopping the reception beam sweeping process when, in the process of performing the reception beam sweeping process, it is detected that a random access process should be performed with a UE in a specific unit time interval; and performing the random access process with the UE.

公开(公告)号：US20170230095A1

公开(公告)日：2017-08-10

申请号：US15496633

申请日：2017-04-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tae-Young KIM ,  Hyun-Kyu YU ,  Ji-Yun SEOL

IPC: H04B7/06 ,  H04B7/0456 ,  H04B7/0452

CPC classification number: H04B7/0617 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0604 ,  H04B7/0639

Abstract: A communication method and an apparatus using beamforming in a wireless communication system are provided. The communication method includes determining a candidate user set including one or more Mobile Stations (MSs), for Multiple User-Multiple Input Multiple Output (MU-MIMO) transmission, transmitting beam information indicating best Base Station (BS) transmission beams of the MSs of the candidate user set to the MSs of the candidate user set, receiving Precoding Matrix Index (PMI) information indicating a PMI to be used for baseband precoding from each of the MSs of the candidate user set, the PMI information being determined based on the beam information, and transmitting a signal precoded based on the PMI information to at least one MS.

公开(公告)号：US20170005711A1

公开(公告)日：2017-01-05

申请号：US15262796

申请日：2016-09-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Kyu YU ,  Tae-Young KIM ,  Jeong-Ho PARK

IPC: H04B7/06

CPC classification number: H04B7/0617 ,  H04B7/0623 ,  H04B7/0684 ,  H04L1/189 ,  H04L5/0048 ,  H04W72/042 ,  H04W88/02

Abstract: A method and an apparatus for tracking a beam in a wireless communication system are provided. In the method, a plurality of downlink reference signals are received from a base station and at least one downlink transmission beam pattern is determined. A plurality of uplink reference signals are transmitted to the base station, each includes identifier information corresponding to the determined at least one downlink transmission beam pattern. ACKnowledgement (ACK) information indicating that the base station has successfully received an identifier included in the identifier information corresponding to the determined at least one downlink transmission beam pattern from identifier information corresponding to an uplink transmission beam pattern and that the plurality of uplink reference signals from the base station is received.

Abstract translation: 提供了一种在无线通信系统中跟踪光束的方法和装置。 在该方法中，从基站接收多个下行链路参考信号，并且确定至少一个下行链路传输波束图案。 将多个上行链路参考信号发送到基站，每个包括与所确定的至少一个下行链路传输波束模式对应的标识符信息。 确认（ACK）信息，其指示基站已经从对应于上行链路传输波束模式的标识符信息中成功接收到包含在与所确定的至少一个下行链路传输波束模式相对应的标识符信息中的标识符，并且所述多个上行链路参考信号来自 接收基站。

公开(公告)号：US20160073393A1

公开(公告)日：2016-03-10

申请号：US14942260

申请日：2015-11-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tae-Young KIM ,  Hyun-Kyu YU ,  Jae-Weon CHO

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/048 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0695 ,  H04L5/0051 ,  H04W72/046 ,  H04W88/08

Abstract: An apparatus and method for selecting the best beam in a wireless communication system are provided. An operation of a Base Station (BS) includes repeatedly transmitting reference signals beamformed with a first width, receiving a feedback signal indicating at least one preferred-beam having the first width from at least one terminal, determining a direction range within which reference signals beamformed with a second width are to be transmitted and a transmission pattern, based on the at least one preferred-beam having the first width, repeatedly transmitting the reference signals beamformed with the second width within the determined direction range according to the transmission pattern, and receiving a feedback signal indicating at least one preferred-beam having the second width from the at least one terminal.

公开(公告)号：US20160043792A1

公开(公告)日：2016-02-11

申请号：US14822146

申请日：2015-08-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheol JEONG ,  Hyun-Kyu YU ,  Jeong-Ho PARK ,  Kyung-Whoon CHEUN ,  Su-Ryong JEONG

IPC: H04B7/06 ,  H04B7/08 ,  H01Q3/34

CPC classification number: H04B7/0617 ,  H01Q1/243 ,  H01Q3/34 ,  H01Q3/36 ,  H01Q21/08 ,  H04B7/0857 ,  H04B7/0862

Abstract: The present disclosure is related to a 5th generation (5G) or pre-5G communication system to provide higher data rates than a 4th generation (4G) communication system such as long term evolution (LTE). A method for adjusting a receive beam gain by a user equipment (UE) in a wireless communication system is provided. The method includes estimating a received signal quality value based on a reference signal received from a base station (BS), transmitting information about the estimated received signal quality value to the BS, comparing the received signal quality value with a minimum received signal quality value required for successful reception of data from the BS, and adjusting a receive beam gain to be used for data reception by turning on/off a radio frequency (RF) chain formed for each of antennas included in the UE based on a result of the comparison.

Abstract translation: 本公开涉及第五代（5G）或前5G通信系统，以提供比诸如长期演进（LTE）的第四代（4G）通信系统更高的数据速率。 提供了一种用于在无线通信系统中由用户设备（UE）调整接收波束增益的方法。 该方法包括基于从基站（BS）接收的参考信号来估计接收信号质量值，将关于估计的接收信号质量值的信息发送给BS，将接收的信号质量值与所需的最小接收信号质量值进行比较 基于比较结果，通过对包含在UE中的每个天线形成的射频（RF）链进行接通/关闭来调整用于数据接收的接收波束增益。

公开(公告)号：US20150249995A1

公开(公告)日：2015-09-03

申请号：US14715843

申请日：2015-05-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeong-Ho PARK ,  Su-Ryong JEONG ,  Ji-Yun SEOL ,  Hyun-Kyu YU

IPC: H04W72/08 ,  H04L5/00 ,  H04B7/04

CPC classification number: H04W72/08 ,  H04B7/0408 ,  H04B7/043 ,  H04B7/0632 ,  H04B7/10 ,  H04L5/0057 ,  H04W16/28 ,  H04W84/045

Abstract: A method for operating a base station in a wireless communication system in order to support a plurality of propagation characteristics is provided. The method includes allocating resource periods for respective propagation characteristics, transmitting system information including information on the propagation characteristics, transmitting a reference signal with the propagation characteristic corresponding to the relevant resource period through at least one of the resource periods, and receiving feedback information determining channel qualities for all of the propagation characteristics.

Abstract translation: 提供了一种用于在无线通信系统中操作基站以便支持多个传播特性的方法。 该方法包括：为相应传播特性分配资源周期，发送包括关于传播特性的信息的系统信息，通过至少一个资源周期发送具有与相关资源周期对应的传播特性的参考信号，以及接收反馈信息确定信道 所有传播特性的品质。