公开(公告)号：US10396958B2

公开(公告)日：2019-08-27

申请号：US15484029

申请日：2017-04-10

Applicant: Samsung Electronics Co., Ltd

Inventor： Hyo Jin Lee ,  Youn Sun Kim ,  Ki Il Kim ,  Ju Ho Lee ,  Joon Young Cho

IPC: H04L5/00 ,  H04B7/024 ,  H04B7/0456 ,  H04B7/06

Abstract: The present invention relates to a method and device for transmitting and receiving CSI (Channel State Information). A CSI transmission method at a CoMP (Coordinated Multi-Point) device includes steps of receiving a CSI-RS (Reference Signal) from a plurality of transmission points, acquiring an optimal phase difference value causing an optimal channel quality between the plurality of transmission points, based on the CSI-RS, acquiring a CQI (Channel Quality Indicator), based on the optimal phase difference value, and transmitting the CSI including the CQI. According to an embodiment of the present invention, efficient CSI transmission/reception method and device can be provided in a CoMP system.

公开(公告)号：US10123314B2

公开(公告)日：2018-11-06

申请号：US14851565

申请日：2015-09-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae Hyuk Jang ,  Soeng Hun Kim ,  Boon Loong Ng ,  Gert-Jan Van Lieshout ,  Kyeong In Jeong ,  Joon Young Cho

IPC: H04W72/04 ,  H04L5/00 ,  H04B7/06 ,  H04W24/02 ,  H04W24/10 ,  H04W88/08 ,  H04W88/02

Abstract: A method for activating/deactivating secondary carriers of a User Equipment (UE) in a mobile communication system supporting carrier aggregation is provided. The method comprises, receiving a control message including an activation/deactivation Control Element (CE) in a first sub-frame from a Base station, identifying an activation command or a deactivation command of at least one secondary carrier based on the control message, determining whether a current sub-frame is a second sub-frame or not, performing at least one first operation for the at least one secondary carrier in a second sub-frame, and performing, when the activation/deactivation CE indicates deactivation of the at least one secondary carrier, at least one second operation for the at least one secondary carrier no later than the second sub-frame.

公开(公告)号：US10085246B2

公开(公告)日：2018-09-25

申请号：US15790675

申请日：2017-10-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soeng Hun Kim ,  Boon Loong Ng ,  Gert-Jan Van Lieshout ,  Kyeong In Jeong ,  Joon Young Cho

IPC: H04W72/04 ,  H04W76/36 ,  H04W52/28 ,  H04W74/08 ,  H04W24/10 ,  H04W24/02 ,  H04W52/36 ,  H04L1/00 ,  H04L5/00 ,  H04W52/34 ,  H04W76/11 ,  H04W52/14 ,  H04W52/38 ,  H04W72/00 ,  H04W72/12

Abstract: A method and an apparatus for performing random access and uplink transmission of a User Equipment (UE) supporting Carrier Aggregation (CA) are provided. The method includes determining whether a Scheduling Request (SR) is pending, determining, when the SR is pending, whether an uplink transmission resource is available in a current Transmission Time Interval (TTI), determining, when the uplink transmission resource is not available, whether a Physical Uplink Control Channel (PUCCH) resource is configured for transmission of the SR, and initiating, when the PUCCH resource is not configured, a random access process in a primary cell. The random access method and apparatus of the present invention is advantageous to reduce the waste of transmission resources.

公开(公告)号：US20170244534A1

公开(公告)日：2017-08-24

申请号：US15589556

申请日：2017-05-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youn Hyoung HEO ,  Joon Young Cho ,  Ju Ho Lee ,  Jin Kyu Han ,  Farooq Khan ,  Jianzhong Zhang

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

CPC classification number: H04L5/0057 ,  H04L1/1812 ,  H04L1/1861 ,  H04L1/1864 ,  H04L5/0037 ,  H04L5/0053 ,  H04W72/0413

Abstract: A method and apparatus are provided for transmitting and receiving Uplink Control Information (UCI) in a wireless communication system. The method includes generating the UCI including at least one of channel quality indicator (CQI) information and hybrid automatic repeat request (HARQ) information; identifying, if the terminal is configured with a plurality of serving cells, a serving cell among the plurality of serving cells based on information on a cell index of the serving cell; and transmitting the UCI on a physical uplink shared channel (PUSCH) of the identified serving cell.

公开(公告)号：US09635615B2

公开(公告)日：2017-04-25

申请号：US14875540

申请日：2015-10-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang Bum Kim ,  Soeng Hun Kim ,  Kyeong In Jeong ,  Jung Soo Jung ,  Joon Young Cho ,  Gert Jan Van Lieshout ,  Himke Van Der Velde ,  Boon Loong Ng

IPC: H04W52/02 ,  H04W76/04 ,  H04W72/04

CPC classification number: H04W52/0235 ,  H04W52/0203 ,  H04W52/0212 ,  H04W52/0216 ,  H04W52/0229 ,  H04W52/0258 ,  H04W72/0473 ,  H04W76/28 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/23 ,  Y02D70/24

Abstract: The present invention relates to a method and to an apparatus for optimizing the power consumption of a terminal in a mobile communication system. The method for optimizing power consumption of a terminal in a mobile communication system comprises: a determination step of determining whether there is a need for changing a configuration for a discontinuous reception operation of the terminal; and a transmission step of transmitting, to a base station, a request message for a change in the discontinuous reception operation, if it is determined that the change is needed.

公开(公告)号：US09629081B2

公开(公告)日：2017-04-18

申请号：US14875650

申请日：2015-10-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang Bum Kim ,  Soeng Hun Kim ,  Kyeong In Jeong ,  Jung Soo Jung ,  Joon Young Cho ,  Gert Jan Van Lieshout ,  Himke Van Der Velde ,  Boon Loong Ng

IPC: H04W52/02 ,  H04W76/04 ,  H04W36/14 ,  H04W72/04 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W52/0209 ,  H04W36/14 ,  H04W52/0203 ,  H04W52/0212 ,  H04W52/0216 ,  H04W52/0229 ,  H04W52/0235 ,  H04W52/0258 ,  H04W72/0406 ,  H04W72/0473 ,  H04W76/28 ,  H04W88/02 ,  H04W88/08 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/23 ,  Y02D70/24

Abstract: The present invention relates to a method and to an apparatus for optimizing the power consumption of a terminal in a mobile communication system. The method for optimizing power consumption of a terminal in a mobile communication system comprises: a determination step of determining whether there is a need for changing a configuration for a discontinuous reception operation of the terminal; and a transmission step of transmitting, to a base station, a request message for a change in the discontinuous reception operation, if it is determined that the change is needed.

公开(公告)号：US09621318B2

公开(公告)日：2017-04-11

申请号：US14376378

申请日：2013-02-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyo Jin Lee ,  Youn Sun Kim ,  Ki Il Kim ,  Ju Ho Lee ,  Joon Young Cho

IPC: H04L5/00 ,  H04B7/024 ,  H04B7/0456 ,  H04B7/06

CPC classification number: H04L5/0053 ,  H04B7/024 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/068 ,  H04L5/0032

Abstract: The present invention relates to a method and device for transmitting and receiving CSI (Channel State Information). A CSI transmission method at a CoMP (Coordinated Multi-Point) device includes steps of receiving a CSI-RS (Reference Signal) from a plurality of transmission points, acquiring an optimal phase difference value causing an optimal channel quality between the plurality of transmission points, based on the CSI-RS, acquiring a CQI (Channel Quality Indicator), based on the optimal phase difference value, and transmitting the CSI including the CQI. According to an embodiment of the present invention, efficient CSI transmission/reception method and device can be provided in a CoMP system.

公开(公告)号：US09520932B2

公开(公告)日：2016-12-13

申请号：US14161289

申请日：2014-01-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： In Ho Lee ,  Jin Kyu Han ,  Joon Young Cho ,  Cheng Shan ,  Sung Tae Kim

IPC: H04B7/06 ,  H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0639 ,  H04B7/024 ,  H04B7/04 ,  H04B7/0434 ,  H04B7/0478 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0634 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0091 ,  H04W48/08

Abstract: A method for transmitting feedback information for collaborative transmission in a cellular radio communication system is provided. The method includes receiving, from the base station, collaborative cell information indicating a plurality of collaborative cells, determining at least two preferred collaborative cells among the plurality of collaborative cells, generating feedback information including cell indicators for discriminating between the at least two preferred collaborative cells and the other cell, precoding matrix indicators for the at least two preferred collaborative cells, and channel quality indicators, and transmitting the feedback information via one of a control channel and a data channel.

Abstract translation: 提供一种用于在蜂窝无线电通信系统中发送用于协作传输的反馈信息的方法。 该方法包括从基站接收指示多个协作小区的协作小区信息，确定多个协作小区中的至少两个优选协作小区，生成包括小区指示符的反馈信息，用于区分至少两个优选协作小区 和另一小区，用于至少两个优选协作小区的预编码矩阵指示符和信道质量指示符，以及经由控制信道和数据信道中的一个发送反馈信息。

公开(公告)号：US09515811B2

公开(公告)日：2016-12-06

申请号：US14633702

申请日：2015-02-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young Bum Kim ,  Joon Young Cho ,  Jin Kyu Han ,  Seung Hoon Choi ,  Youn Sun Kim ,  Hyoung Ju Ji

IPC: H04L5/14 ,  H04W72/12 ,  H04L5/00 ,  H04L1/18 ,  H04W72/04 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04L5/14 ,  H04L1/1812 ,  H04L1/1887 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/0091 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/12 ,  H04W88/02 ,  H04W88/08

Abstract: A method, base station, and terminal employing time division duplex and carrier aggregation are disclosed. The method by the base station includes transmitting, to a terminal, scheduling information on a control channel of a first cell, and transmitting, to the terminal, data on a shared channel of a second cell based on the scheduling information. The scheduling information is transmitted in a first downlink subframe or a first subframe including downlink pilot time slot (DwPTS) based on first subframe configuration information of the first cell. The data is transmitted in a second downlink subframe or a second subframe including DwPTS corresponding to the first downlink subframe or the first subframe. The first subframe configuration information of the first cell is different from second subframe configuration information of the second cell.

Abstract translation: 公开了一种采用时分双工和载波聚合的方法，基站和终端。 基站的方法包括向终端发送关于第一小区的控制信道的调度信息，并且基于调度信息向终端发送第二小区的共享信道上的数据。 基于第一小区的第一子帧配置信息，在第一下行链路子帧或包括下行链路导频时隙（DwPTS）的第一子帧中发送调度信息。 在第二下行链路子帧或包括与第一下行链路子帧或第一子帧对应的DwPTS的第二子帧中发送数据。 第一小区的第一子帧配置信息与第二小区的第二子帧配置信息不同。

公开(公告)号：US09490954B2

公开(公告)日：2016-11-08

申请号：US14858727

申请日：2015-09-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyoung Ju Ji ,  Joon Young Cho

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04B7/155 ,  H04W84/04 ,  H04B7/26 ,  H04W72/00

CPC classification number: H04L5/0053 ,  H04B7/15542 ,  H04B7/2606 ,  H04L5/006 ,  H04W72/00 ,  H04W72/0406 ,  H04W72/042 ,  H04W72/0426 ,  H04W84/047

Abstract: A method and an apparatus for configuring a control channel between a first transceiver and a second transceiver in a communication system are provided. The method includes generating, by the first transceiver, a signaling message including information for the control channel; transmitting, by the first transceiver, the signaling message including information for the control channel to the second transceiver; generating, by the first transceiver, the control channel based on the information for the control channel; and transmitting, by the first transceiver, the generated control channel to the second transceiver at a subframe configured as a subframe associated with the control channel, wherein the information for the control channel includes resource assignment information, and information regarding that if interleaving is applied.

Abstract translation: 提供了一种用于在通信系统中配置第一收发器和第二收发器之间的控制信道的方法和装置。 该方法包括由第一收发器生成包括用于控制信道的信息的信令消息; 由所述第一收发器发送所述信令消息，所述信令消息包括用于所述控制信道到所述第二收发器的信息; 基于所述控制信道的信息，由所述第一收发器生成所述控制信道; 以及由所述第一收发器将所生成的控制信道在被配置为与所述控制信道相关联的子帧的子帧向所述第二收发信机发送，其中所述控制信道的信息包括资源分配信息，以及关于如果应用交织的信息。