公开(公告)号：US20170085353A1

公开(公告)日：2017-03-23

申请号：US15369567

申请日：2016-12-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Youngbum Kim ,  Joonyoung Cho ,  Hyoungju Ji

IPC: H04L5/00 ,  H04W72/04 ,  H04L1/18 ,  H04L5/14

CPC classification number: H04L5/0055 ,  H04J3/00 ,  H04J3/1694 ,  H04L1/1812 ,  H04L5/001 ,  H04L5/1415 ,  H04L5/1469 ,  H04W28/10 ,  H04W72/0413 ,  H04W72/042

Abstract: The present disclosure relates to a method and an apparatus for transmitting a control channel in an intra-cell carrier aggregation system. The method includes establishing a connection with a base station through a Primary cell (Pcell) of a Time Division Duplex (TDD) scheme and a Secondary cell (Scell) of a Frequency Division Duplex (FDD) scheme. The method also includes receiving data through the Scell before a timing configured as an uplink sub-frame according to a TDD UpLink-DownLink (UL-DL) configuration of the Pcell. The method also includes transmitting a feedback of the received data through the Pcell in a feedback sub-frame. By the method, a feedback for a data can be effectively transferred.

公开(公告)号：US09526064B2

公开(公告)日：2016-12-20

申请号：US14105873

申请日：2013-12-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngbum Kim ,  Joonyoung Cho ,  Yongjun Kwak ,  Juho Lee ,  Hyojin Lee ,  Hyoungju Ji ,  Younsun Kim ,  Sangmin Ro ,  Seunghoon Choi

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04W24/10 ,  Y02D70/00 ,  Y02D70/1244 ,  Y02D70/1246 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/146

Abstract: A discovery signal transmission/reception method and an apparatus for improving energy efficiency of the system are provided. The discovery signal transmission method of a base station in a mobile communication system according to the present disclosure includes acquiring a discovery signal configuration of a neighbor cell, transmitting the discovery signal configuration to a terminal, receiving a measurement report including a result of measurement on a discovery signal of the neighbor from the terminal, the measurement being performed based on the discovery signal configuration, and determining whether to make a handover decision for the terminal based on the measurement report. The discovery signal transmission/reception method of the present disclosure is advantageous in improving energy efficiency of a mobile communication system.

Abstract translation: 提供了一种用于提高系统的能量效率的发现信号发送/接收方法和装置。 根据本公开的移动通信系统中的基站的发现信号发送方法包括：获取相邻小区的发现信号配置，向所述终端发送所述发现信号配置，在所述终端上接收包括测量结果的测量报告 基于所述发现信号配置进行所述测量，并且基于所述测量报告来确定是否对所述终端进行切换判定。 本公开的发现信号发送/接收方法在提高移动通信系统的能量效率方面是有利的。

公开(公告)号：US09496999B2

公开(公告)日：2016-11-15

申请号：US13669007

申请日：2012-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungju Ji ,  Youngbum Kim ,  Joonyoung Cho ,  Seunghoon Choi

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/12

CPC classification number: H04L5/0044 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/0064 ,  H04L5/0094 ,  H04W4/70 ,  H04W4/80 ,  H04W72/1263

Abstract: A method and apparatus for resource allocation in a multi-carrier wireless communication system enables transmission using smaller resource units and achieves efficient transmission of data channels with very low data rates, scheduling a greater number of user equipments without additional control channel overhead while maintaining compatibility with the resource allocation scheme of legacy user equipments. Thus, one cell controls a larger number of user equipments. In addition, as multiple user equipments are scheduled using a single control channel, resource efficiency is increased.

Abstract translation: 一种用于多载波无线通信系统中的资源分配的方法和装置，能够使用更小的资源单元进行传输，并以非常低的数据速率实现数据信道的高效传输，在没有额外的控制信道开销的情况下调度更多的用户设备，同时保持与 传统用户设备的资源分配方案。 因此，一个单元控制更多的用户设备。 另外，由于使用单个控制信道调度多个用户设备，因此提高资源效率。

公开(公告)号：US09414363B2

公开(公告)日：2016-08-09

申请号：US14861450

申请日：2015-09-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin Lee ,  Younsun Kim ,  Kiil Kim ,  Youngbum Kim

IPC: H04L1/00 ,  H04W72/04 ,  H04B7/02 ,  H04W48/20 ,  H04L5/00 ,  H04B17/24 ,  H04B17/309 ,  H04B17/336 ,  H04B17/382 ,  H04W72/08 ,  H04W28/04

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B17/24 ,  H04B17/309 ,  H04B17/336 ,  H04B17/382 ,  H04L5/0035 ,  H04L5/0048 ,  H04W28/04 ,  H04W48/20 ,  H04W72/082 ,  H04W72/085

Abstract: Methods and apparatuses are provided for transmitting channel information, by a User Equipment (UE). Information for at least one first type Channel Status Information Reference Signal (CSI-RS) and information for at least one second type CSI-RS from an eNB, are identified. A Physical Downlink Control Channel (PDCCH) including an indicator is received. The indicator triggers channel information report associated with a first type CSI-RS and a second type CSI-RS, among the at least one first type CSI-RS and the at least one second type CSI-RS. Channel information is generated based on the first type CSI-RS and the second type CSI-RS. The channel information is reported through a Physical Uplink Shared CHannel (PUSCH).

Abstract translation: 提供用于由用户设备（UE）发送信道信息的方法和装置。 识别用于至少一个第一类型信道状态信息参考信号（CSI-RS）的信息和来自eNB的至少一个第二类型CSI-RS的信息。 接收包括指示符的物理下行链路控制信道（PDCCH）。 所述指示符触发所述至少一个第一类型CSI-RS和所述至少一个第二类型CSI-RS中的与第一类型CSI-RS和第二类型CSI-RS相关联的信道信息报告。 基于第一类型CSI-RS和第二类型CSI-RS生成信道信息。 信道信息通过物理上行链路共享信道（PUSCH）报告。

公开(公告)号：US09398573B2

公开(公告)日：2016-07-19

申请号：US13789268

申请日：2013-03-07

Applicant: Samsung Electronics Co. Ltd.

Inventor： Aris Papasakellariou ,  Youngbum Kim ,  Joonyoung Cho

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

CPC classification number: H04W72/0413 ,  H04B7/024 ,  H04L5/0023 ,  H04L5/0053 ,  H04W72/02 ,  H04W72/04

Abstract: Methods and apparatus for a User Equipment (UE) to determine a number of coded modulation symbols per spatial layer for an Uplink Control Information (UCI) type it multiplexes in a Physical Uplink Shared CHannel (PUSCH) is provided. The UE communicates with different sets of Reception Points (RPs) in different Transmission Time Intervals (TTIs) wherein two RPs in a same set of RPs have a communication latency that is smaller than or equal to a predetermined value and two RPs in two different respective sets of RPs have a communication latency that is larger than a predetermined value.

Abstract translation: 用户设备（UE）的方法和装置提供了在物理上行链路共享信道（PUSCH）中多路复用的上行链路控制信息（UCI）类型的每个空间层的编码调制符号的数量。 UE在不同的传输时间间隔（TTI）中与不同的接收点集合进行通信，其中相同集合的RP中的两个RP具有小于或等于预定值的通信等待时间，并且两个不同的相应的两个RP RP组具有大于预定值的通信延迟。

公开(公告)号：US09351292B2

公开(公告)日：2016-05-24

申请号：US14846362

申请日：2015-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Joonyoung Cho ,  Youngbum Kim ,  Hyoungju Ji

IPC: H04W72/04 ,  H04L1/18 ,  H04L5/00 ,  H04L5/14 ,  H04W76/04 ,  H04W72/00 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W72/0413 ,  H04L1/1614 ,  H04L1/1635 ,  H04L1/18 ,  H04L1/1861 ,  H04L5/00 ,  H04L5/0055 ,  H04L5/14 ,  H04W72/00 ,  H04W72/0406 ,  H04W72/0446 ,  H04W76/28 ,  H04W88/02 ,  H04W88/08

Abstract: A method for transmitting a physical channel in a Time Division Duplex (TDD) communication system capable of carrier aggregation is provided for supporting aggregation of carriers having different TDD configurations. The communication method of a terminal in a TDD radio communication system accomplishing broadband through carrier aggregation of primary and secondary cells, of which aggregated carriers have different TDD Uplink-Downlink (UL-DL) configurations, includes receiving Physical Downlink Shared Channel (PDSCH) through the secondary cell, and transmitting acknowledgement information corresponding to the PDSCH to a base station, where acknowledgement information is transmitted on a Physical Uplink Control CHannel (PUCCH) of the primary cell.

公开(公告)号：US09320046B2

公开(公告)日：2016-04-19

申请号：US14690971

申请日：2015-04-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun Kim ,  Youngbum Kim ,  Juho Lee ,  Hyojin Lee ,  Joonyoung Cho ,  Hyoungju Ji ,  Seunghoon Choi

IPC: H04W24/00 ,  H04W80/04 ,  H04W72/08 ,  H04W24/10 ,  H04B7/04 ,  H04W72/04 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04B7/0486 ,  H04B7/022 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/0645 ,  H04W24/10 ,  H04W72/042 ,  H04W72/082

Abstract: An apparatus and a method of measuring a reference signal for efficient downlink transmission in a mobile communication system are provided. The system includes plural base stations, each having a plurality of antennas distributed in the service area thereof based on a Distributed Antenna System (DAS). A method for a base station to notify a terminal of reference signal measurement information in a mobile communication system comprises determining whether the terminal is in a Rank Indicator/Precoding Matrix Indicator (RI/PMI) disabled mode, selecting, when the terminal is in the RI/PMI disabled mode, the reference signal to be measured by the terminal between a Cell-specific Reference Signal (CRS) and a Channel Status Information Reference Signal (CSI-RS), notifying the terminal of the reference signal measurement information with the selection result, and receiving channel information generated based on the reference signal measurement information from the terminal.

公开(公告)号：US08897180B2

公开(公告)日：2014-11-25

申请号：US13779103

申请日：2013-02-27

Applicant: Samsung Electronics Co. Ltd.

Inventor： Seunghoon Choi ,  Joonyoung Cho ,  Youngbum Kim ,  Hyoungju Ji

IPC: H04W72/04 ,  H04L1/18 ,  H04L5/00

CPC classification number: H04W72/0413 ,  H04L1/1614 ,  H04L1/1635 ,  H04L1/18 ,  H04L1/1861 ,  H04L5/00 ,  H04L5/0055 ,  H04L5/14 ,  H04W72/00 ,  H04W72/0406 ,  H04W72/0446 ,  H04W76/28 ,  H04W88/02 ,  H04W88/08

Abstract: A method for transmitting a physical channel in a Time Division Duplex (TDD) communication system capable of carrier aggregation is provided for supporting aggregation of carriers having different TDD configurations. The communication method of a terminal in a TDD radio communication system accomplishing broadband through carrier aggregation of primary and secondary cells, of which aggregated carriers have different TDD Uplink-Downlink (UL-DL) configurations, includes receiving Physical Downlink Shared Channel (PDSCH) through the secondary cell, and transmitting acknowledgement information corresponding to the PDSCH to a base station, where acknowledgement information is transmitted on a Physical Uplink Control CHannel (PUCCH) of the primary cell.

Abstract translation: 提供了一种用于在能够进行载波聚合的时分双工（TDD）通信系统中发送物理信道的方法，用于支持具有不同TDD配置的载波的聚合。 通过聚合载波具有不同的TDD上行链路下行链路（UL-DL）配置的主小区的载波聚合来实现宽带的TDD无线电通信系统中的终端的通信方法包括：接收物理下行链路共享信道（PDSCH），通过 二次小区，并且向基站发送对应于PDSCH的确认信息，其中在主小区的物理上行链路控制信道（PUCCH）上发送确认信息。

公开(公告)号：US20140301323A1

公开(公告)日：2014-10-09

申请号：US14309456

申请日：2014-06-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyojin LEE ,  Younsun Kim ,  Kiil Kim ,  Youngbum Kim

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/0406 ,  H04B7/024 ,  H04B17/24 ,  H04B17/309 ,  H04B17/336 ,  H04B17/382 ,  H04L5/0035 ,  H04L5/0048 ,  H04W28/04 ,  H04W48/20 ,  H04W72/082 ,  H04W72/085

Abstract: A feedback method and apparatus is provided for facilitating feedback in a Cooperative Multi-Point (CoMP) system in which multiple base stations cooperate with each other for downlink transmission to a terminal. The feedback method of a terminal includes determining whether the terminal is operating in cooperative multi-point mode for receiving data from a plurality of cells; estimating, when the terminal is operating in cooperative multi-point mode, channels of the cells belonging to a measurement set based on channel status information reference signals for the cells; selecting at least one best cell based on a signal-to-interference plus noise ratio based on the estimated channels; and feeding back a cell index and channel information of the best cell.

Abstract translation: 提供了一种反馈方法和装置，用于促进多个基站彼此协作以便下行链路传输到终端的协作多点（CoMP）系统中的反馈。 终端的反馈方法包括：确定终端是否以协作多点模式操作，用于从多个小区接收数据; 当终端以协同多点模式工作时，基于小区的信道状态信息参考信号估计属于测量集合的小区的信道; 基于估计的信道，基于信号与干扰加噪声比选择至少一个最佳小区; 并反馈最佳小区的小区索引和信道信息。

公开(公告)号：US20140211671A1

公开(公告)日：2014-07-31

申请号：US14165397

申请日：2014-01-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Choi ,  Youngbum Kim ,  Joonyoung Cho ,  Hyoungju Ji

IPC: H04J3/16 ,  H04L5/14

CPC classification number: H04L5/0055 ,  H04J3/00 ,  H04J3/1694 ,  H04L1/1812 ,  H04L5/001 ,  H04L5/1415 ,  H04L5/1469 ,  H04W28/10 ,  H04W72/0413 ,  H04W72/042

Abstract: The present disclosure relates to a method and an apparatus for transmitting a control channel in an intra-cell carrier aggregation system. The method includes establishing a connection with a base station through a Primary cell (Pcell) of a Time Division Duplex (TDD) scheme and a Secondary cell (Scell) of a Frequency Division Duplex (FDD) scheme. The method also includes receiving data through the Scell before a timing configured as an uplink sub-frame according to a TDD UpLink-DownLink (UL-DL) configuration of the Pcell. The method also includes transmitting a feedback of the received data through the Pcell in a feedback sub-frame. By the method, a feedback for a data can be effectively transferred.

Abstract translation: 本公开涉及一种在小区内载波聚合系统内发送控制信道的方法和装置。 该方法包括通过时分双工（TDD）方案的主小区（Pcell）和频分双工（FDD）方案的辅助小区（Scell）建立与基站的连接。 该方法还包括根据Pcell的TDD UpLink-DownLink（UL-DL）配置在被配置为上行链路子帧的定时之前通过Scell接收数据。 该方法还包括在反馈子帧中通过Pcell发送接收到的数据的反馈。 通过该方法，可以有效地传送数据的反馈。