公开(公告)号：US20180324893A1

公开(公告)日：2018-11-08

申请号：US16031500

申请日：2018-07-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Jinyoung OH ,  Donghan KIM

IPC: H04W76/28 ,  H04W74/08 ,  H04L27/00 ,  H04L1/00 ,  H04L5/00 ,  H04W16/14

CPC classification number: H04W76/28 ,  H04L1/00 ,  H04L5/0053 ,  H04L5/0055 ,  H04L27/0006 ,  H04W16/14 ,  H04W74/0808

Abstract: A method and an apparatus for channel access in a wireless communication system related to a 5th generation (5G) or pre-5G communication system for supporting a data rate higher than that of the 4G communication system such as long term evolution (LTE) are disclosed. The method includes receiving a feedback corresponding to data transmitted in a first subframe arriving after a first sensing period in an unlicensed band from at least one terminal, checking data reception state of the at least one terminal as one of acknowledgement (ACK), negative acknowledgement (NACK), and discontinuous transmission (DTX) based on the feedback, and determining a length of a second sensing period based on the data reception state of the at least one terminal.

公开(公告)号：US20180248606A1

公开(公告)日：2018-08-30

申请号：US15753792

申请日：2016-08-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Youngwoo KWAK ,  Hoondong NOH ,  Donghan KIM ,  Jinyoung OH ,  Younsun KIM ,  Sangmin RO ,  Hyoungju JI ,  Taehan BAE ,  Cheolkyu SHIN ,  Youngbum KIM

IPC: H04B7/06 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0478 ,  H04B7/0634 ,  H04L5/0048

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). The present disclosure relates to a method and device for reporting channel state information. The method for a terminal according to the present disclosure comprises the steps of: receiving feedback configuration information from a base station; measuring a channel state using a reference signal received from the base station; and reporting channel state information using two subsamplings at a reporting time which is determined on the basis of the feedback configuration information.

公开(公告)号：US20180183556A1

公开(公告)日：2018-06-28

申请号：US15737735

申请日：2016-06-17

Applicant: Samsung Electronics Co., Ltd

Inventor： Cheolkyu SHIN ,  Hoondong NOH ,  Sangmin RO ,  Younsun KIM ,  Youngwoo KWAK ,  Youngbum KIM ,  Seunghoon CHOI ,  Donghan KIM ,  Jinyoung OH

IPC: H04L5/00

CPC classification number: H04L5/0051 ,  H04B7/0478 ,  H04L5/00 ,  H04W84/042

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present invention relates to a method and an apparatus for transmitting a reference signal, the method of a terminal according to the present invention comprising: receiving, through a higher layer signaling, configuration information including first information indicating one of a first demodulation reference signal (DMRS)-related table and a second DMRS-related table; receiving control information including second information on DMRS information; analyzing, based on the second information, a DMRS-related table indicated by the first information; and receiving a DMRS based on the result of the analysis.

公开(公告)号：US20180146439A1

公开(公告)日：2018-05-24

申请号：US15821323

申请日：2017-11-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngbum KIM ,  Donghan KIM ,  Yongjun KWAK ,  Taehyoung KIM ,  Seunghoon CHOI

IPC: H04W52/32

Abstract: A communication technique and system for converging, with Internet of things (IoT) technology, a 5th generation (5G) communication system for supporting a higher data transmission rate beyond a 4th generation (4G) system is provided. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cards, health care, digital education, retail business, security and safety related services, etc.), on the basis of the 5G communication technology and IoT associated technology. According to an embodiment, a method of a terminal in a wireless communication system is provided. The method includes receiving system information, identifying power information for a synchronization signal and a broadcast channel, based on the system information, and transmitting and receiving a signal, based on the power information. In this method, the power information for the synchronization signal and the broadcast channel are set equally.

公开(公告)号：US20170272993A1

公开(公告)日：2017-09-21

申请号：US15613887

申请日：2017-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangsoo JEONG ,  Sung Hwan WON ,  Hyojin LEE ,  Seunghoon CHOI ,  Jinyoung OH ,  Hyoungju JI ,  Younsun KIM ,  Cheolkyu SHIN ,  Donghan KIM ,  Hoondong NOH

IPC: H04W36/14 ,  H04W28/08 ,  H04W76/04

CPC classification number: H04W36/14 ,  H04W8/065 ,  H04W24/04 ,  H04W28/08 ,  H04W36/0022 ,  H04W76/11 ,  H04W76/12 ,  H04W76/27

Abstract: Various communication techniques and related systems for a fusion between a 5th generation (5G) communication system and Internet of Things (IoT) technology are provided. A user equipment (UE) is required to select a dedicated core network so as to receive a suitable service. In a method for transmitting and receiving a signal, an enhanced Node B (eNB) of a mobile communication system transmits a first request message to a first mobile management entity (MME), receives a reroute command message based on the first request message from the first MME, and transmits a second message to a second MME based on the reroute command message. Herein, the reroute command message contains the first request message, at least one MME identifier, and a UE identifier.

公开(公告)号：US20140241220A1

公开(公告)日：2014-08-28

申请号：US14190418

申请日：2014-02-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Hyoungju JI ,  Youngbum KIM ,  Joonyoung CHO

IPC: H04W72/04 ,  H04L5/14 ,  H04B7/26

CPC classification number: H04L5/14 ,  H04L1/00 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/1469 ,  H04W72/0453 ,  H04W72/048

Abstract: A method and an apparatus for transmitting a control channel when cells have different duplex structures in an intra-cell carrier aggregation system are provided. The method of transmitting and/or receiving a control channel by an evolved Node B (eNB) in a wireless communication system includes receiving capability information of a User Equipment (UE) from the UE, transmitting scheduling information to the UE, transmitting downlink data according to the transmitted scheduling information, and receiving an uplink control channel for the downlink data from the UE based on the capability information of the UE.

Abstract translation: 提供了一种在小区内小区载波聚合系统中具有不同的双工结构时发送控制信道的方法和装置。 在无线通信系统中由演进节点B（eNB）发送和/或接收控制信道的方法包括从UE接收用户设备（UE）的能力信息，向UE发送调度信息，根据 根据所述UE的能力信息，接收来自所述UE的所述下行数据的上行链路控制信道。

公开(公告)号：US20130315081A1

公开(公告)日：2013-11-28

申请号：US13899163

申请日：2013-05-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younsun KIM ,  Youngbum KIM ,  Juho LEE ,  Hyojin LEE ,  Joonyoung CHO ,  Hyoungju JI ,  Seunghoon CHOI

IPC: H04W24/10

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：US20130208634A1

公开(公告)日：2013-08-15

申请号：US13767447

申请日：2013-02-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoungju JI ,  Joonyoung CHO ,  Seunghoon CHOI ,  Youngbum KIM ,  Juho LEE

IPC: H04W72/04

CPC classification number: H04L1/1887 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1861 ,  H04W72/0406 ,  H04W72/12 ,  H04W76/10

Abstract: A method and an apparatus for transmitting uplink/downlink data on Time Division Duplexing (TDD) carriers are provided. The method includes transmitting to a base station in a Primary Cell (PCell) and a Secondary Cell (SCell), a TDD Uplink-Downlink (UL-DL) configuration of the PCell having a DL subframe super-set or UL subset that are common in the SCell and the PCell and a TDD UL-DL configuration differing from each other, receiving data at a first subframe in the SCell, and transmitting, when a UL subframe set of the SCell is a subset of a UL subframe of the PCell, a feedback corresponding to the data at a subframe predefined in association with the first subframe in the PCell according to the TDD UL-DL configuration of the SCell. The method supports both the self-scheduling and cross-carrier scheduling of the UE using carriers of different TDD configurations.

Abstract translation: 提供了一种用于在时分双工（TDD）载波上发送上行链路/下行链路数据的方法和装置。 该方法包括向主小区（PCell）和辅助小区（SCell）中的基站，具有共同的DL子帧超集或UL子集的PCell的TDD上行链路下行链路（UL-DL）配置 在SCell和PCell以及彼此不同的TDD UL-DL配置中，在SCell中的第一子帧处接收数据，并且当SCell的UL子集合是PCell的UL子帧的子集时， 根据SCell的TDD UL-DL配置，在与PCell中的第一子帧相关联地预定的子帧处的数据对应的反馈。 该方法支持使用不同TDD配置的载波的UE的自调度和跨载波调度。

公开(公告)号：US20130157709A1

公开(公告)日：2013-06-20

申请号：US13721780

申请日：2012-12-20

Applicant: Samsung Electronics Co. Ltd.

Inventor： Hyoungju JI ,  Younsun KIM ,  Joonyoung CHO ,  Seunghoon CHOI ,  Kiil KIM ,  Hyojin LEE

IPC: H04W52/04

CPC classification number: H04W52/04 ,  H04W52/143 ,  H04W52/243 ,  H04W52/38

Abstract: A downlink power control method and apparatus for improving downlink power efficiency gain in an Orthogonal Frequency Division Multiplexing (OFDM) system is provided. The downlink power control method includes transmitting a downlink data channel at a normal subframe according to first downlink power information for the normal subframe, and transmitting the downlink data channel at an Almost Blank Subframe (ABS) according to second downlink power information for the ABS, wherein the first downlink power information for the normal subframe and the second downlink power information for the ABS differ from each other. The downlink power control method and apparatus is capable of regulating inter-cell interference variation between contiguous symbols at a predetermined level in a subframe at a terminal of a neighbor cell and making it possible to schedule the UE receiving the low power data channel using the power ratio of the feedbacks from the UE.

Abstract translation: 提供了一种用于改善正交频分复用（OFDM）系统中的下行链路功率效率增益的下行链路功率控制方法和装置。 下行链路功率控制方法包括根据用于正常子帧的第一下行链路功率信息在正常子帧发送下行链路数据信道，并且根据ABS的第二下行链路功率信息，在几乎空白子帧（ABS）下发送下行链路数据信道， 其中用于正常子帧的第一下行链路功率信息和用于ABS的第二下行链路功率信息彼此不同。 下行链路功率控制方法和装置能够调节相邻小区的终端的子帧中预定级别的连续符号之间的小区间干扰变化，并且使得能够使用该功率来调度UE接收低功率数据信道 来自UE的反馈比例。

公开(公告)号：US20130114532A1

公开(公告)日：2013-05-09

申请号：US13668887

申请日：2012-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon CHOI ,  Joonyoung CHO ,  Hyoungju JI ,  Youngbum KIM

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0091

Abstract: Methods and apparatus are provided for transmitting and receiving a control signal. Indices of Resource Block (RB) sets are transmitted through higher layer signaling. Downlink Control Information (DCI) generated in a short DCI format is transmitted from a Base Station (BS) to a terminal. The DCI includes a first index indicating an RB set having at least one allocated RB and a second index indicating the at least one allocated RB. The terminal determines whether short DCI format is configured to be used. When the short DCI format is configured to be used, the first index and second index are received. The terminal communicates through the at least one allocated RB identified by the first and second indices.

Abstract translation: 提供了用于发送和接收控制信号的方法和装置。 资源块（RB）集合的索引通过更高层的信令传输。 以短DCI格式生成的下行链路控制信息（DCI）从基站（BS）发送到终端。 DCI包括指示具有至少一个分配的RB的RB集合的第一索引和指示至少一个分配的RB的第二索引。 终端确定是否配置使用短DCI格式。 当配置使用短DCI格式时，接收第一索引和第二索引。 终端通过由第一和第二索引识别的至少一个分配的RB进行通信。