公开(公告)号：US09413451B2

公开(公告)日：2016-08-09

申请号：US14035908

申请日：2013-09-24

Applicant: Samsung Electronics Co., Ltd

Inventor： Jeong-Ho Park ,  Hyun-Kyu Yu ,  Su-Ryong Jeong ,  Jae-Weon Cho

IPC: H04B7/26 ,  H04L25/03 ,  H04B7/04 ,  H04B7/06 ,  H04L1/08

CPC classification number: H04B7/2628 ,  H04B7/0408 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0678 ,  H04B7/0695 ,  H04L1/08 ,  H04L25/0391

Abstract: Provided is a method and apparatus for transmitting and receiving a Broadcast Channel (BCH) in a cellular communication system. The method for transmitting a BCH in a cellular communication system includes repeating symbols comprising information about the BCH, code-covering the repeated symbols with codes selected from a previously given code set, subcarrier-mapping the code-covered symbols, and transmitting the subcarrier-mapped symbols in one frame by using different beams corresponding to the selected codes. The codes are selected based on a number of repetitions, a cell identifier, and a beam index.

Abstract translation: 提供了一种用于在蜂窝通信系统中发送和接收广播信道（BCH）的方法和装置。 用于在蜂窝通信系统中发送BCH的方法包括：包括关于BCH的信息的重复符号，使用从先前给定的码集中选择的码的覆盖重复符号的码，对载入码字符的子载波映射， 通过使用与所选代码相对应的不同波束在一帧中映射符号。 基于重复次数，小区标识符和波束索引来选择代码。

公开(公告)号：US20160211994A1

公开(公告)日：2016-07-21

申请号：US14915195

申请日：2014-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min Sagong ,  Jeong-Ho Park ,  Jae-Won Kim ,  Hyun-Kyu Yu ,  Chi-Woo Lim ,  Su-Ryong Jeong ,  Sung-Nam Hong

IPC: H04L27/00 ,  H04L5/00 ,  H04J11/00 ,  H04L27/36 ,  H04L27/12

CPC classification number: H04L27/0008 ,  H04J11/0056 ,  H04J2011/0016 ,  H04L5/0007 ,  H04L27/12 ,  H04L27/32 ,  H04L27/366

Abstract: The present invention relates to a method for operating, by a base station, multiple modulation schemes in a wireless communication system, the method comprising the steps of: calculating the number of terminals, among the terminals in a cell managed by the base station, of which a channel state is included in a state that is lower than a preset state; reporting information related to the calculated number of terminals to an upstream entity of the base station; receiving information about a band, assigned by the upstream entity, for a hybrid frequency shift keying (FSK) and quadrature amplitude modulation (QAM) (FQAM) scheme on the basis of a QAM scheme and a FSK scheme; and transmitting downwardly the information about the band for the FQAM scheme to the terminals of which a channel state is included in a state that is lower than the preset state. Other modified embodiments on the basis of the technical concept of the present invention are also possible.

Abstract translation: 本发明涉及一种用于在无线通信系统中由基站操作多种调制方案的方法，所述方法包括以下步骤：计算由所述基站管理的小区中的终端中的终端数量 其中通道状态被包括在低于预设状态的状态中; 向所述基站的上游实体报告与计算出的终端数相关的信息; 基于QAM方案和FSK方案，接收由上游实体分配的频带，用于混合频移键控（FSK）和正交幅度调制（QAM）（FQAM）方案; 并向FQAM方案的频带向下发送信息状态包含在比预设状态低的状态的终端。 基于本发明的技术概念的其它修改实施例也是可能的。

公开(公告)号：US09362994B2

公开(公告)日：2016-06-07

申请号：US13892044

申请日：2013-05-10

Applicant: Samsung Electronics Co. Ltd.

Inventor： Ji-Yun Seol ,  Tae-Young Kim ,  Jeong-Ho Park ,  Jae-Weon Cho

IPC: H04L12/28 ,  H04B7/04 ,  H04B7/06 ,  H04B7/08

CPC classification number: H04B7/088 ,  H04B7/043 ,  H04B7/0456 ,  H04B7/0469 ,  H04B7/0617 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0695

Abstract: A communication method and apparatus using analog and digital hybrid beamforming are provided. The method includes receiving a first message including a measurement and selection condition for hybrid beamforming from a Base Station (BS), measuring channels of a plurality of BS transmission beams, selecting at least one BS transmission beam based on channel measurements, transmitting report information about the selected at least one BS transmission beam to the BS, receiving from the BS a second message, estimating an effective channel matrix for the selected final BS transmission beam according to the measurement and report condition, determining feedback information for digital beamforming of the BS based on the effective channel matrix, transmitting the determined feedback information to the BS, and receiving a data burst from the BS according to a Multiple Input Multiple Output (MIMO) mode and/or a configuration scheduled based on the feedback information.

Abstract translation: 提供了使用模拟和数字混合波束成形的通信方法和装置。 该方法包括从基站（BS）接收包括用于混合波束成形的测量和选择条件的第一消息，测量多个BS传输波束的信道，基于信道测量选择至少一个BS传输波束，发送关于 将所选择的至少一个BS传输波束发送到BS，从BS接收第二消息，根据测量和报告条件估计所选择的最终BS传输波束的有效信道矩阵，确定基于BS的数字波束成形的反馈信息 在有效信道矩阵上，将确定的反馈信息发送到BS，以及根据多输入多输出（MIMO）模式和/或基于反馈信息调度的配置从BS接收数据突发。

公开(公告)号：US09356809B2

公开(公告)日：2016-05-31

申请号：US14265219

申请日：2014-04-29

Applicant: Samsung Electronics Co., Ltd. ,  Korea Advanced Institute of Science and Technology

Inventor： Jeong-Ho Park ,  Yong-Hoon Lee ,  Minhyun Kim ,  Seongjin Kim ,  Ji-Yun Seol ,  Eui-Tae Hwang

IPC: H04L1/06 ,  H04L25/03 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04L25/03898 ,  H04B7/0482 ,  H04B7/0626

Abstract: A method for performing communication in a multi-stage beam forming system includes determining statistical channel information which indicates a priority of analog beams transmitted by a base station, configuring an adaptive code book for digital beam forming, based on the statistical channel information and analog beams which the base station uses in actual communication among the analog beams, and performing communication with the base station through the digital beam forming based on the adaptive code book. A terminal includes a channel estimator configured to perform channel estimation for analog beams transmitted from a base station, a controller configure to determine statistical channel information indicating a priority of the analog beams, and configure an adaptive code book for digital beam forming based on the statistical channel information and analog beams that the base station uses in actual communication among the analog beams, and a communication unit.

Abstract translation: 一种用于在多级波束形成系统中执行通信的方法，包括：基于统计信道信息和模拟波束，确定指示由基站发射的模拟波束的优先级的统计信道信息，配置用于数字波束形成的自适应码本 基站在模拟波束之间实际通信中使用，并且通过基于自适应码本的数字波束形成来执行与基站的通信。 终端包括：信道估计器，被配置为对从基站发送的模拟波束执行信道估计，控制器配置为确定指示模拟波束的优先级的统计信道信息，并且基于统计学来配置用于数字波束形成的自适应码本 基站在模拟波束之间的实际通信中使用的信道信息和模拟波束以及通信单元。

公开(公告)号：US20150358194A1

公开(公告)日：2015-12-10

申请号：US14654798

申请日：2013-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun-Kyu Yu ,  Won-Il Roh ,  Jeong-Ho Park ,  Min Sagong ,  Ji-Yun Seol ,  Chi-Woo Lim ,  Kyung-Whoon Cheun ,  Jae-Weon Cho ,  Sung-Nam Hong

IPC: H04L27/34 ,  H04L1/18 ,  H04L27/10

CPC classification number: H04L27/10 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/1812 ,  H04L27/0008 ,  H04L27/32 ,  H04L27/34

Abstract: Disclosed is a method and device for transmitting and receiving a signal by using modulation techniques in a wireless communication system. The method according to the present invention includes: selecting one of QAM and improved QAM according to at least one predefined criterion; encoding information bits to be transmitted according to a first encoding scheme and mapping encoded information bits to QAM symbols when the QAM is selected; encoding information bits to be transmitted according to a second encoding scheme and mapping encoded information bits to improved QAM symbols when the improved QAM is selected; and transmitting the QAM symbols or the improved QAM symbols through a given resource region.

Abstract translation: 公开了一种通过在无线通信系统中使用调制技术来发送和接收信号的方法和装置。 根据本发明的方法包括：根据至少一个预定标准选择QAM和改进的QAM中的一个; 根据第一编码方案编码要发送的信息比特，并且当选择QAM时将编码的信息比特映射到QAM符号; 根据第二编码方案编码要发送的信息比特，并且当选择改进的QAM时将编码的信息比特映射到改进的QAM符号; 以及通过给定的资源区域发送QAM符号或改进的QAM符号。

公开(公告)号：US20140348051A1

公开(公告)日：2014-11-27

申请号：US14284189

申请日：2014-05-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeong-Ho Park ,  Kyung-Whoon Cheun ,  Won-Il Roh ,  Jae-Weon Cho

IPC: H04W74/08 ,  H04W72/00

CPC classification number: H04B7/0408 ,  H04W4/00 ,  H04W4/06 ,  H04W4/08 ,  H04W72/005 ,  H04W74/006 ,  H04W74/0833 ,  H04W74/0866

Abstract: A method for operating a random access channel (RACH) by a base station (BS) performing beamforming with at least one receive chain includes broadcasting RACH configuration information; and receiving an RACH signal with at least one receive chain, wherein the RACH configuration information includes threshold information to divide an RACH groups into a first group and a second group. A BS for operating a RACH by performing beamforming with at least one receive chain in a communication system, the BS comprising a controller configured to broadcast RACH configuration information and control at least one receive chain to receive an RACH signal, wherein the RACH configuration information includes threshold information to divide RACH groups into a first group and a second group. Other embodiments including a user equipment are also disclosed.

Abstract translation: 用于利用至少一个接收链执行波束成形的基站（BS）操作随机接入信道（RACH）的方法包括广播RACH配置信息; 以及用至少一个接收链接收RACH信号，其中所述RACH配置信息包括用于将RACH组划分成第一组和第二组的阈值信息。 一种用于通过在通信系统中与至少一个接收链进行波束成形来操作RACH的BS，所述BS包括控制器，所述控制器被配置为广播RACH配置信息并控制至少一个接收链以接收RACH信号，其中所述RACH配置信息包括 阈值信息以将RACH组划分成第一组和第二组。 还公开了包括用户设备的其他实施例。

公开(公告)号：US08843150B2

公开(公告)日：2014-09-23

申请号：US13729807

申请日：2012-12-28

Applicant: Samsung Electronics Co. Ltd.

Inventor： Hyun-Kyu Yu ,  Tae-Young Kim ,  Ji-Yun Seol ,  Su-Ryong Jeong ,  Jeong-Ho Park

IPC: H04W72/04 ,  H04B7/06 ,  H04L1/06

CPC classification number: H04W72/046 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0669 ,  H04B7/068 ,  H04B7/0695 ,  H04L1/0668

Abstract: A data transmission method for a base station to acquire transmission beam diversity in a wireless communication system is provided. The data transmission method includes selecting at least two transmission beams to be used for data transmission from among multiple transmission beams corresponding to transmission beam information, if receiving the transmission beam information regarding the multiple transmission beams from a terminal, and transmitting data encoded with a predetermined orthogonalization code to the terminal via the selected at least two transmission beams.

Abstract translation: 提供了一种用于基站在无线通信系统中获取传输波束分集的数据传输方法。 数据传输方法包括从对应于传输波束信息的多个传输波束中选择要用于数据传输的至少两个传输波束，如果从终端接收到关于多个传输波束的传输波束信息，以及发射以预定的 通过所选择的至少两个发送波束向终端发送正交码。

公开(公告)号：US11178695B2

公开(公告)日：2021-11-16

申请号：US14313759

申请日：2014-06-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheol Jeong ,  Jeong-Ho Park ,  Su-Ryong Jeong

IPC: H04W74/08 ,  H04B7/06 ,  H04B7/0404

Abstract: To adaptively determine a Tx beam subset for random access in a wireless communication system, a method for operating a Mobile Station (MS) includes determining at least one beam subset which satisfies a predefined condition, among a plurality of beam subsets, and transmitting random access preambles using Tx beams of the at least one beam subset. An MS in a wireless communication system includes a controller configured to determine at least one beam subset that satisfies a condition, among a plurality of beam subsets, and a transmitter configured to transmit random access preambles using Transmit (Tx) beams of the at least one beam subset, wherein the plurality of the beam subsets each comprise a plurality of beams radiating to different directions from one another. Other embodiments including a base station and a mobile station are also disclosed.

公开(公告)号：US20200252186A1

公开(公告)日：2020-08-06

申请号：US16858228

申请日：2020-04-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun-Kyu Yu ,  Jae-Won Kim ,  Jeong-Ho Park ,  Su-Ryong Jeong ,  Cheol Jeong

IPC: H04L5/00 ,  H04B7/0408 ,  H04B7/06

Abstract: A method and apparatus for transmitting and receiving data in a communication system using beamforming are provided. The transmission method includes transmitting a control channel signal in a control channel region of a subframe using a first transmission beam of a base station. The transmission method also includes transmitting a data signal during a predetermined time period of a data region after the control channel region in the subframe using a second transmission beam determined based on the first transmission beam. The transmission method further includes transmitting a data signal in a remaining data region following the predetermined time period using a scheduled transmission beam.

公开(公告)号：US10680690B2

公开(公告)日：2020-06-09

申请号：US15882075

申请日：2018-01-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cheol Jeong ,  Hyun-Kyu Yu ,  Jeong-Ho Park ,  Kyung-Whoon Cheun ,  Su-Ryong Jeong

IPC: H04B7/06 ,  H01Q1/24 ,  H01Q3/36 ,  H04B7/08 ,  H01Q3/34 ,  H01Q21/08

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.