公开(公告)号：US10770419B2

公开(公告)日：2020-09-08

申请号：US14803935

申请日：2015-07-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hee-Kwun Cho ,  In-Seok Hwang ,  June Moon ,  Chung-Ryul Chang ,  Jae-Ho Jeon ,  Soon-Young Yoon

IPC: H04W72/04 ,  H01L23/00 ,  H04L5/00 ,  H04W72/08 ,  H04W48/10

Abstract: An apparatus and method for reducing the volume of a resource allocation information message in a broadband wireless communication system are provided. The method includes transmitting a message including information indicating a periodicity of an uplink control channel for an initial network entry; and receiving an uplink signal for the initial network entry through the uplink control channel.

公开(公告)号：US09642120B2

公开(公告)日：2017-05-02

申请号：US13907101

申请日：2013-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph Jeon ,  Jee-Woong Kang ,  Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Sung-Woo Park

IPC: H04L12/28 ,  H04W72/04 ,  H04B7/04 ,  H04L25/03 ,  H04L5/00 ,  H04J1/16 ,  H04B7/024

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B7/0473 ,  H04L5/0035 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04L25/03949 ,  H04W88/02

Abstract: A transmission method and apparatus are provided for use in a wireless communication system in which a cell includes a plurality of sub-cells. A Transmission Point (TP) in the wireless communication system includes a transmitter configured to transmit a signal to each of the plurality of sub-cells through a plurality of antennas; a receiver configured to receive uplink control information from a User Equipment (UE) located within at least one of the plurality of sub-cells; and a controller configured to determine a virtual matrix for each of the plurality of sub-cells, to select a precoding matrix according to the virtual matrices of the plurality of sub-cells, to determine a cooperative transmission mode or a normal transmission mode, based on the received uplink control information, and to control the transmitter to perform downlink transmission on a sub-cell basis through the virtual matrices of the sub-cells according to the determined transmission mode.

公开(公告)号：US09433013B2

公开(公告)日：2016-08-30

申请号：US13760581

申请日：2013-02-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Heekwang Lee ,  Hojoong Kwon ,  Chungryul Chang ,  June Moon

IPC: H04W72/12 ,  H04L1/00 ,  H04W36/00

CPC classification number: H04W72/1231 ,  H04L1/0015 ,  H04L1/0026 ,  H04L1/0077 ,  H04W36/0083

Abstract: A centralized scheduling method and apparatus is provided for minimizing inter-cell interference in the wireless communication system adopting femto-eNB-based service coverage expansion (range expansion). The method includes establishing, by a server, a connection with at least one base station, collecting channel information between the at least one base station connected to the server and terminals, determining interfering base stations causing interference to each terminal based on the channel information, and selecting the terminals to be scheduled in consideration of the interfering base stations.

Abstract translation: 提供了一种集中调度方法和装置，用于使采用基于毫微微基站的服务覆盖扩展（范围扩展）的无线通信系统中的小区间干扰最小化。 该方法包括由服务器建立与至少一个基站的连接，在连接到该服务器的至少一个基站和终端之间收集信道信息，基于该信道信息确定导致每个终端的干扰的干扰基站， 以及考虑到干扰基站来选择要调度的终端。

公开(公告)号：US10123216B2

公开(公告)日：2018-11-06

申请号：US13893728

申请日：2013-05-14

Applicant: Samsung Electronics Co. Ltd.

Inventor： Hye-Mi Park ,  Joseph Jeon ,  June Moon

IPC: H04L12/26 ,  H04W16/24 ,  H04W24/02

Abstract: An apparatus and method for controlling an inter-cluster interference in a multi cell network are provided. The method includes collecting cluster information in order to cluster base stations into at least one cluster; clustering the base stations into at least one cluster by using at least one of a dynamic clustering method and a hierarchical clustering method, based on the cluster information, determining a cluster boundary base station, which satisfies a predetermined condition, among base stations in a cluster, and controlling the inter-cluster interference.

公开(公告)号：US10098094B2

公开(公告)日：2018-10-09

申请号：US15473766

申请日：2017-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph Jeon ,  Jee-Woong Kang ,  Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Sung-Woo Park

IPC: H04L12/28 ,  H04W72/04 ,  H04B7/024 ,  H04B7/0456 ,  H04L25/03 ,  H04L5/00 ,  H04J1/16 ,  H04W88/02

Abstract: A transmission method and apparatus are provided for use in a wireless communication system in which a cell includes a plurality of sub-cells. A Transmission Point (TP) in the wireless communication system includes a transmitter configured to transmit a signal to each of the plurality of sub-cells through a plurality of antennas; a receiver configured to receive uplink control information from a User Equipment (UE) located within at least one of the plurality of sub-cells; and a controller configured to determine a virtual matrix for each of the plurality of sub-cells, to select a precoding matrix according to the virtual matrices of the plurality of sub-cells, to determine a cooperative transmission mode or a normal transmission mode, based on the received uplink control information, and to control the transmitter to perform downlink transmission on a sub-cell basis through the virtual matrices of the sub-cells according to the determined transmission mode.

公开(公告)号：US09705584B2

公开(公告)日：2017-07-11

申请号：US14635675

申请日：2015-03-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yong-Seok Kim ,  Jae-Hee Cho ,  Kwan-Hee Roh ,  Soon-Young Yoon ,  June Moon

IPC: H04B3/36 ,  H04B7/15 ,  H04B7/26 ,  H04W16/26

CPC classification number: H04B7/15 ,  H04B7/2606 ,  H04W16/26

Abstract: An apparatus and method for transmitting and receiving data in a communication system are provided. In the method, a BS selects a repeater group from among a plurality of repeater groups, for use in transmitting first data to an MS and transmits the first data to the MS according to the number of repeaters of the selected repeater group. The first data is different from data transmitted by the repeaters of the selected repeater group.

公开(公告)号：USRE49823E1

公开(公告)日：2024-01-30

申请号：US17729396

申请日：2022-04-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eun-Yong Kim ,  June Moon ,  Chung-Ryul Chang ,  Young-Ky Kim ,  Eun-Seok Ko

IPC: H04W28/08 ,  H04W88/08 ,  H04L5/00

CPC classification number: H04L5/0048 ,  H04W88/085

Abstract: Apparatuses and methods for transmitting and receiving signals in a mobile communication system are provided. A method for transmitting a signal by an evolved Node B (eNB) in a mobile communication system includes transmitting a same control channel signal to each of a plurality of Radio Units (RUs), and transmitting a different data channel signal to each of the plurality of RUs. A data channel signal transmitted to each of the plurality of RUs may be determined taking into account at least one of a location of a User Equipment (UE) that will receive the data channel signal, and load balancing.

公开(公告)号：US09887744B2

公开(公告)日：2018-02-06

申请号：US14653767

申请日：2013-12-18

Applicant: Samsung Electronics Co., Ltd

Inventor： Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon ,  Keon-Wook Lee

IPC: H04B7/04 ,  H04B7/024 ,  H04B7/0495 ,  H04L25/03

CPC classification number: H04B7/024 ,  H04B7/0486 ,  H04B7/0495 ,  H04L25/03343 ,  H04L25/03891

Abstract: The present invention relates to a method by which a base station performs multiple input and multiple output (MIMO) transmission using antennas of a plurality of cells in a multi-cell wireless communication system, the method comprising the steps of: selecting a rank value and cells for downlink MIMO transmission of a terminal on the basis of measurement information of the base station and the terminal, and determining a precoding matrix according to the rank value; and generating data which is to be transmitted to the terminal as data streams corresponding to the selected rank value, and mapping the data streams to antennas of the selected cells through a precoder so as to transmit the data streams to the terminal.

公开(公告)号：US09374757B2

公开(公告)日：2016-06-21

申请号：US14142282

申请日：2013-12-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Heekwang Lee ,  Eunseok Ko ,  June Moon ,  Seungjoo Maeng ,  Jungah Choi

IPC: H04L12/26 ,  H04W36/30 ,  H04W36/04

CPC classification number: H04W36/30 ,  H04W36/04

Abstract: A method of supporting fast sub-cell switching by a sub-cell included in a macro coverage in a wireless communication system is provided. The method includes receiving multiple pieces of feedback information on multiple sub-cells from a User Equipment (UE), extracting channel quality indicators from the multiple pieces of received feedback information, respectively, comparing values of the extracted channel quality indicators, and determining, based on a result of the comparison of the values of the extracted channel quality indicators, whether to perform fast sub-cell switching of the UE.

Abstract translation: 提供了一种支持在无线通信系统中的宏覆盖范围内的子单元的快速子单元切换的方法。 该方法包括从用户设备（UE）接收关于多个子小区的多条反馈信息，分别从多条接收到的反馈信息中提取信道质量指示符，比较提取的信道质量指示符的值，并基于 通过比较提取的信道质量指示符的值的结果，是否执行UE的快速子小区切换。

公开(公告)号：US09357529B2

公开(公告)日：2016-05-31

申请号：US14372409

申请日：2013-01-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joseph Jeon ,  Ho-Joong Kwon ,  Eun-Yong Kim ,  June Moon

IPC: H04W72/00 ,  H04W72/04 ,  H04B7/02 ,  H04W76/00 ,  H04B7/04 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04W72/04 ,  H04B7/024 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0048 ,  H04W76/00 ,  H04W76/15

Abstract: The present invention relates to a method and apparatus for transmitting data in a wireless communication system for supporting multi-cells formed of a plurality of sub-cells. The method includes the steps of: connecting at least one virtual transmission port to each of the plurality of sub-cells; determining the transmission mode for a terminal on the basis of channel states between at least two of the plurality of sub-cells and the terminal; and transmitting data for each sub-cell to the terminal through at least one virtual transmission port connected to a corresponding sub-cell on the basis of the determined transmission mode.

Abstract translation: 本发明涉及在用于支持由多个子小区形成的多小区的无线通信系统中发送数据的方法和装置。 该方法包括以下步骤：将至少一个虚拟传输端口连接到多个子单元中的每一个; 基于所述多个子小区中的至少两个与所述终端之间的信道状态来确定终端的传输模式; 以及基于所确定的传输模式，通过连接到对应的子小区的至少一个虚拟传输端口向终端发送每个子小区的数据。