公开(公告)号：US09788315B2

公开(公告)日：2017-10-10

申请号：US15075990

申请日：2016-03-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae Chon Yu ,  Jin Kyu Han ,  Youn H. Heo ,  Joon Young Cho ,  Ju Ho Lee

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0094

Abstract: Provided is a Physical Downlink Control Channel (PDCCH) transmission method of a base station for a mobile communication system based on an Orthogonal Frequency Division Multiple Access (OFDMA). The method includes acquiring downlink control information of a resource corresponding to a carrier among a plurality of carriers, identifying at least one Control Channel Element (CCE) index based on an indicator of the carrier among the plurality of carriers, generating a PDCCH for the downlink control information based on the identified CCE index, and transmitting the PDCCH through a predetermined carrier.

公开(公告)号：US09749957B2

公开(公告)日：2017-08-29

申请号：US14875596

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：US20170222777A1

公开(公告)日：2017-08-03

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 ,  H04B7/06 ,  H04B7/0456

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：US09628239B2

公开(公告)日：2017-04-18

申请号：US14858697

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 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, wherein the information for the control channel includes resource assignment information, and reference signal information.

公开(公告)号：US09468018B2

公开(公告)日：2016-10-11

申请号：US14821375

申请日：2015-08-07

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W72/12 ,  H04W52/14 ,  H04W52/36

CPC classification number: H04W72/1284 ,  H04W52/146 ,  H04W52/365 ,  H04W52/367 ,  Y02D70/00

Abstract: A method and an apparatus for configuring uplink transmission power and apparatus in a mobile communication system supporting downlink and uplink carrier aggregation are provided. The method includes determining a per-terminal maximum transmission power and per-serving cell maximum transmission powers based on ΔTC,c as a value for allowing an adjustment of additional transmission power for multiple serving cells, Maximum Power Reductionc (MPRc) as a value determined according to an amount of transmission resources allocated to the terminal, and Additive-MPRc (A-MPRc) as a value determined according to local characteristics and frequency band characteristics, determining per-serving cell uplink transmission powers by restricting required transmission powers for respective serving cells to the corresponding per-serving cell maximum transmission powers, comparing a sum of the per-serving cell uplink transmission powers with the per-terminal maximum transmission power, and adjusting the per-serving cell uplink transmission powers according to comparison result.

Abstract translation: 提供了一种用于在支持下行链路和上行链路载波聚合的移动通信系统中配置上行链路传输功率和装置的方法和装置。 该方法包括：基于ΔTC，c确定每终端最大发射功率和每服务小区最大发射功率，作为允许调整多个服务小区的附加发射功率的值，最大功率减小c（MPRc）作为确定的值 根据分配给终端的传输资源的数量和作为根据本地特性和频带特性确定的值的Additive-MPRc（A-MPRc），通过限制相应服务的所需传输功率来确定每服务小区上行链路传输功率 将小区与相应的每服务小区最大发送功率进行比较，将每个服务小区上行发送功率的和与每终端最大发送功率进行比较，以及根据比较结果调整每服务小区上行发送功率。

公开(公告)号：US09432981B2

公开(公告)日：2016-08-30

申请号：US13950959

申请日：2013-07-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joon Young Cho ,  Jin Kyu Han ,  Ju Ho Lee ,  Youn H. Heo

IPC: H04L1/00 ,  H04W72/04 ,  H04W56/00 ,  H04J11/00

CPC classification number: H04W72/042 ,  H04J11/0069 ,  H04L5/0007 ,  H04L5/0039 ,  H04W56/00

Abstract: Methods and apparatuses for transmitting and receiving a signal in a mobile communication system are provided. The method for receiving a signal at a User Equipment (UE) in the mobile communication system includes receiving, from a Base Station (BS), configuration information indicating whether a Broadcasting Channel (BCH) and a Synchronization Channel (SCH) are allocated in at least one subband; receiving, from the BS, a downlink control channel; and receiving, from the BS, a downlink data channel, based on the configuration information and the downlink control channel.

Abstract translation: 提供了用于在移动通信系统中发送和接收信号的方法和装置。 用于在移动通信系统中的用户设备（UE）处接收信号的方法包括：从基站（BS）接收指示广播信道（BCH）和同步信道（SCH）是分配在哪里的配置信息 至少一个子带; 从BS接收下行链路控制信道; 以及基于配置信息和下行链路控制信道从BS接收下行链路数据信道。

公开(公告)号：US09392589B2

公开(公告)日：2016-07-12

申请号：US14375774

申请日：2013-01-30

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L12/26 ,  H04W72/04 ,  H04J11/00 ,  H04L5/00 ,  H04W24/08 ,  H04W52/24 ,  H04W72/08 ,  H04W72/12 ,  H04W52/14

CPC classification number: H04W72/0413 ,  H04J11/0053 ,  H04L5/0035 ,  H04L5/0051 ,  H04L5/0053 ,  H04W24/08 ,  H04W52/146 ,  H04W52/241 ,  H04W52/242 ,  H04W72/085 ,  H04W72/1289

Abstract: The present invention relates to a method for transmitting an uplink channel in a wireless communication system. The method for transmitting an uplink channel of a terminal according to one embodiment of the present invention may comprise the steps of: receiving a downlink control message; extracting the starting point of a dynamic physical uplink control channel (PUCCH) resource region from the downlink control message; and transmitting an uplink channel according to the starting point of the extracted dynamic PUCCH resource region. An embodiment of the invention exhibits effects in reducing the signaling overhead, and preventing the terminal from unnecessarily consuming power, when transmitting the uplink channel in a CoMP system.

Abstract translation: 本发明涉及一种用于在无线通信系统中发送上行链路信道的方法。 根据本发明的一个实施例的用于发送终端的上行链路信道的方法可以包括以下步骤：接收下行链路控制消息; 从下行链路控制消息中提取动态物理上行链路控制信道（PUCCH）资源区域的起始点; 以及根据所提取的动态PUCCH资源区域的起始点发送上行链路信道。 当在CoMP系统中发送上行链路信道时，本发明的一个实施例具有减少信令开销的作用，并且防止终端不必要地消耗电力。

公开(公告)号：US09326314B2

公开(公告)日：2016-04-26

申请号：US14313298

申请日：2014-06-24

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W4/00 ,  H04W76/06 ,  H04W74/08 ,  H04W52/28 ,  H04W72/00 ,  H04W72/12

CPC classification number: H04W72/0413 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/001 ,  H04L5/0032 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0085 ,  H04L5/0098 ,  H04W24/02 ,  H04W24/10 ,  H04W52/146 ,  H04W52/281 ,  H04W52/346 ,  H04W52/365 ,  H04W52/367 ,  H04W52/38 ,  H04W72/00 ,  H04W72/042 ,  H04W72/1247 ,  H04W72/1284 ,  H04W74/08 ,  H04W74/0833 ,  H04W76/11 ,  H04W76/36 ,  Y02D70/00

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.

Abstract translation: 提供了一种用于执行支持载波聚合（CA）的用户设备（UE）的随机接入和上行链路传输的方法和装置。 该方法包括：确定调度请求（SR）是否正在等待，确定当SR正在等待时，上行链路传输资源在当前传输时间间隔（TTI）中是否可用，确定何时上行链路传输资源不可用， 物理上行链路控制信道（PUCCH）资源被配置为用于传输SR，并且当PUCCH资源未被配置时发起主小区中的随机接入过程。 本发明的随机存取方法和装置有利于减少传输资源的浪费。

公开(公告)号：US09307528B2

公开(公告)日：2016-04-05

申请号：US14610199

申请日：2015-01-30

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: H04L12/801 ,  H04L12/26 ,  H04L12/24 ,  H04L12/751 ,  H04W80/04 ,  H04W88/06 ,  H04W28/04 ,  H04W72/04 ,  H04L5/00 ,  H04W24/10 ,  H04B7/06 ,  H04W24/02 ,  H04W88/02 ,  H04W88/08

CPC classification number: H04W72/042 ,  H04B7/0626 ,  H04L5/001 ,  H04L5/003 ,  H04L5/0053 ,  H04L5/0098 ,  H04W24/02 ,  H04W24/10 ,  H04W72/0426 ,  H04W72/0453 ,  H04W88/02 ,  H04W88/08

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：US09301188B2

公开(公告)日：2016-03-29

申请号：US14335174

申请日：2014-07-18

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: H04L12/801 ,  H04L12/26 ,  H04L12/24 ,  H04L12/751 ,  H04W80/04 ,  H04W88/06 ,  H04W28/04 ,  H04W24/10 ,  H04L5/00 ,  H04W24/02

CPC classification number: H04W72/042 ,  H04B7/0626 ,  H04L5/001 ,  H04L5/003 ,  H04L5/0053 ,  H04L5/0098 ,  H04W24/02 ,  H04W24/10 ,  H04W72/0426 ,  H04W72/0453 ,  H04W88/02 ,  H04W88/08

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.