公开(公告)号：US20180183767A1

公开(公告)日：2018-06-28

申请号：US15895633

申请日：2018-02-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sun-Heui Ryoo ,  Soeng-Hun Kim ,  Jung-Soo Jung ,  Jung-Min Moon ,  Anshuman Nigam ,  Sung-Jin Lee

IPC: H04L29/06 ,  H04W12/04 ,  H04W12/02 ,  H04W36/00

CPC classification number: H04L63/0428 ,  H04L63/062 ,  H04W12/02 ,  H04W12/04 ,  H04W36/0038

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). A method for communicating by a user equipment with a macro cell base station and a small cell base station in a communication system is provided. The method comprises applying a first base station security key to a first communication link with the macro cell base station; generating a second base station security key to be used for a second communication link with the small cell base station based on the first base station security key; applying the second base station security key to the second communication link with the small cell base station; and communicating through at least one of the first communication link and the second communication link.

公开(公告)号：US09998938B2

公开(公告)日：2018-06-12

申请号：US14977500

申请日：2015-12-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soeng-Hun Kim ,  Gert Jan Van Lieshout ,  Kyeong-In Jeong

IPC: H04W24/08 ,  H04B7/0413 ,  H04W72/04 ,  H04B7/04 ,  H04B7/0417 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04W24/08 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/063 ,  H04L5/001 ,  H04W24/10 ,  H04W72/042 ,  H04W72/0446

Abstract: A method and apparatus for performing communication in a wireless communication system are provided. The method includes receiving Measurement Gap (MG) configuration information related to the measurement gap, determining a subframe number specifying a starting point of the measurement gap based on the measurement gap configuration information, starting the measurement gap at an end of a subframe immediately before a subframe of the determined subframe number, performing a predetermined measurement operation during the measurement gap, and performing a predetermined operation in a subframe immediately after the measurement gap based on a duplexing mode of a User Equipment (UE) and a type of the subframe immediately before the measurement gap.

公开(公告)号：US09832692B2

公开(公告)日：2017-11-28

申请号：US15193670

申请日：2016-06-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soeng-Hun Kim ,  Gert Jan Van Lieshout ,  Himke Van Der Velde

IPC: H04W4/00 ,  H04B7/00 ,  H04W36/00 ,  H04W24/10 ,  H04W36/08 ,  H04W36/30 ,  H04W76/04 ,  H04W52/02 ,  H04W36/34

CPC classification number: H04W36/0088 ,  H04W24/10 ,  H04W36/08 ,  H04W36/30 ,  H04W36/34 ,  H04W52/0216 ,  H04W52/0219 ,  H04W76/28 ,  Y02D70/1222 ,  Y02D70/1242 ,  Y02D70/24 ,  Y02D70/25

Abstract: A method and apparatus are provided for measuring at least one neighboring cell by a user equipment (UE) in a communication system. The method includes identifying a serving cell quality threshold and measurement configuration information used for setting up measurement gap patterns; performing measurement of the at least one neighboring cell based on a serving cell quality measured by the UE, the serving cell quality threshold, and the measurement configuration information; and transmitting a measurement report based on the measurement. The measurement is performed in accordance with a plurality of measurement types, and the measurement gap patterns correspond to the plurality of measurement types.

公开(公告)号：US09521674B2

公开(公告)日：2016-12-13

申请号：US14707756

申请日：2015-05-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soeng-Hun Kim ,  Joon-Young Cho ,  Gert-Jan Van Lieshout

IPC: G08C17/00 ,  H04L5/00 ,  H04W52/02 ,  H04W72/04 ,  H04B7/02 ,  H04W52/14 ,  H04W52/36

CPC classification number: H04W72/0473 ,  H04B7/024 ,  H04L5/0007 ,  H04L5/0046 ,  H04W52/0216 ,  H04W52/146 ,  H04W52/346 ,  H04W52/367 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/23

Abstract: A method for transmitting uplink data using a plurality of cells by a user equipment (UE) in a mobile communication system supporting carrier aggregation (CA) is provided. The method includes determining first maximum transmission powers for the plurality of cells, each first maximum transmission power indicating a maximum transmission power for a cell of the plurality of cells, and a second maximum transmission power indicating a maximum total transmission power for all of the plurality of cells, determining an uplink transmission power for each cell of the plurality of cells by selecting a minimum value for the each cell, the minimum value being selected from among a required transmission power for the each cell and the first maximum transmission power for the each cell, scaling the determined uplink transmission powers for the plurality of cells so that a sum of the scaled uplink transmission powers is less than or equal to the second maximum transmission power, and transmitting the uplink data using the plurality of cells based on the scaled uplink transmission powers for the plurality of cells.

Abstract translation: 提供了一种在支持载波聚合（CA）的移动通信系统中由用户设备（UE）使用多个小区发送上行链路数据的方法。 所述方法包括确定所述多个小区的第一最大发射功率，每个第一最大发射功率指示所述多个小区的小区的最大发射功率，以及指示所述多个小区中的所有多个小区的最大总发射功率的第二最大发射功率 通过选择每个小区的最小值来确定多个小区中的每个小区的上行链路传输功率，从每个小区的所需传输功率中选择最小值，并且为每个小区的第一最大发射功率选择最小值 小区，缩放所确定的多个小区的上行链路发送功率，使得缩放的上行链路发送功率的和小于或等于第二最大发送功率，并且基于经缩放的上行链路来发送使用多个小区的上行链路数据 多个小区的发射功率。

公开(公告)号：US09467973B2

公开(公告)日：2016-10-11

申请号：US14862694

申请日：2015-09-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soeng-Hun Kim ,  Kyeong-In Jeong

IPC: H04W72/00 ,  H04W36/06 ,  H04W74/08 ,  H04W4/02

CPC classification number: H04L12/1881 ,  H04L12/189 ,  H04W4/023 ,  H04W36/06 ,  H04W72/005 ,  H04W74/0833

Abstract: The present invention relates to a method and device for receiving a multimedia broadcast multicast service (MBMS) in a mobile communication system. The method for receiving the MBMS of a terminal in the mobile communication system according to an embodiment of the present invention is characterized in that it includes: determining whether service area ID (SAI) information on a serving cell is broadcast during the MBMS; receiving the SAI information on the serving cell when it is determined that the SAI information is broadcast; determining, by using the received SAI information of the serving cell, whether an SAI of the MBMS matches the SAI of the serving cell; and changing the cell reselection priority of the frequency of the serving cell to the highest priority if it is determined that the SAI of the MBMS matches the SAI of the serving cell.

Abstract translation: 本发明涉及用于在移动通信系统中接收多媒体广播多播服务（MBMS）的方法和设备。 根据本发明实施例的用于在移动通信系统中接收终端的MBMS的方法的特征在于它包括：确定在MBMS期间是否广播服务小区上的业务区域ID（SAI）信息; 当确定所述SAI信息被广播时，在所述服务小区上接收所述SAI信息; 通过使用所接收的服务小区的SAI信息来确定MBMS的SAI是否与服务小区的SAI匹配; 以及如果确定MBMS的SAI与服务小区的SAI匹配，则将服务小区的频率的小区重选优先级改变为最高优先级。

公开(公告)号：US09374836B2

公开(公告)日：2016-06-21

申请号：US13903631

申请日：2013-05-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyeong-In Jeong ,  Himke Van Der Velde ,  Gert Jan Van Lieshout ,  Yong-Jun Kwak ,  Soeng-Hun Kim

IPC: H04J3/16 ,  H04W74/00 ,  H04L5/00 ,  H04W72/08 ,  H04W74/08 ,  H04W84/04

CPC classification number: H04W74/004 ,  H04L5/0016 ,  H04L5/003 ,  H04L5/0053 ,  H04W48/10 ,  H04W72/085 ,  H04W72/087 ,  H04W72/1268 ,  H04W74/002 ,  H04W74/0833 ,  H04W74/0866 ,  H04W84/042

Abstract: A method for transmitting a random access preamble using a random access procedure in a mobile communication system. The random access preamble transmission method includes selecting, upon triggering of the random access procedure, one of random access preamble sets predefined between a User Equipment (UE) and an Evolved Node B (ENB) according to whether a radio channel condition is greater than a radio channel condition threshold and a size of a message that the UE will transmit after transmission of the random access preamble is greater than a minimum message size, randomly selecting a random access preamble from the selected random access preamble set, and transmitting the selected random access preamble to the ENB over a random access channel.

公开(公告)号：US09363746B2

公开(公告)日：2016-06-07

申请号：US14166261

申请日：2014-01-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae-Hyuk Jang ,  Soeng-Hun Kim ,  Sang-Bum Kim ,  Kyeong-In Jeong

IPC: H04W4/00 ,  H04W48/20 ,  H04W48/16 ,  H04W84/12 ,  H04W88/06

CPC classification number: H04W48/20 ,  H04W48/16 ,  H04W84/12 ,  H04W88/06

Abstract: A method and apparatus for selecting a wireless Local Area Network (LAN) within a cell to be accessed by a User Equipment (UE) in a mobile communication system are provided. The method includes performing, when a request for information regarding wireless LAN Access Points (APs) within the cell is received, a search for the wireless LAN APs and transmitting a report indicating a search result to a serving Evolved Node B (ENB); receiving, from the serving ENB, updated information on wireless LAN APs based on report indicating the search result; determining whether to perform a re-search for the wireless LAN APs based on the updated information on the wireless LAN APs; and performing, in response to determination to perform the re-search for the wireless LAN APs, the re-search and selecting APs to be accessed based on a result of the re-search.

Abstract translation: 提供了一种在移动通信系统中选择要由用户设备（UE）访问的小区内的无线局域网（LAN）的方法和装置。 所述方法包括当接收到关于所述小区内的无线LAN接入点（AP）的信息的请求的请求时，执行对所述无线LAN AP的搜索，并向服务演进节点B（ENB）发送指示搜索结果的报告; 根据表示搜索结果的报告，从服务的ENB接收关于无线LAN AP的更新信息; 基于所述无线LAN AP上的更新信息来确定是否对所述无线LAN AP进行重新搜索; 以及响应于对所述无线LAN AP进行重新搜索的确定，基于所述重新搜索的结果来执行所述重新搜索和选择要被访问的AP。

公开(公告)号：US20160037562A1

公开(公告)日：2016-02-04

申请号：US14879020

申请日：2015-10-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Woo-Seong Kim ,  Soeng-Hun Kim ,  Himke Van Der Velde

IPC: H04W74/08 ,  H04W36/00

CPC classification number: H04W74/0833 ,  H04W36/0005 ,  H04W36/0077 ,  H04W36/08 ,  H04W56/001 ,  H04W74/006 ,  H04W84/045

Abstract: The present disclosure relates to a method and apparatus for performing random access in a user equipment for a small cell e-NB with a small cell service area in heterogeneous e-NB cell carrier integration (dual connectivity or inter-eNB carrier aggregation) in mobile communication systems. In accordance with an aspect of the present disclosure, a method for performing random access in a mobile communication system is provided. The method includes receiving a configuration request message for configuring a Serving Cell Group (SCG) from a second eNB located in a service area of a first eNB through the first eNB; configuring an SCG cell based on the configuration request message, and sending a configuration response message in response to the configuration request message to the second eNB through the first eNB; and performing random access if there is uplink data present on a logic channel (LCH) relocated into the SCG cell.

公开(公告)号：US20160020840A1

公开(公告)日：2016-01-21

申请号：US14866464

申请日：2015-09-25

Applicant: Samsung Electronics Co., Ltd

Inventor： Soeng-Hun Kim ,  Gert Jan Van Lieshout ,  Kyeong-In Jeong

IPC: H04B7/06 ,  H04B7/04

CPC classification number: H04W24/08 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0486 ,  H04B7/063 ,  H04L5/001 ,  H04W24/10 ,  H04W72/042 ,  H04W72/0446

Abstract: A method and apparatus for performing communication in a wireless communication system are provided. The method includes identifying a transmission mode configured for a serving cell by a Base Station (BS), by a User Equipment (UE), identifying an antenna configuration of the BS by the UE, determining the number of bits for a Rank Indication (RI) representing the number of layers based on the transmission mode and the antenna configuration, and generating an RI using the determined number of bits and transmitting the RI in transmission resources of the serving cell to the BS.

Abstract translation: 提供了一种用于在无线通信系统中执行通信的方法和装置。 该方法包括：由用户设备（UE）识别由基站（BS）为服务小区配置的传输模式，由UE识别BS的天线配置，确定等级指示的比特数（RI ）表示基于传输模式和天线配置的层数，以及使用确定的比特数生成RI，并将服务小区的传输资源中的RI发送给BS。

公开(公告)号：US09215680B2

公开(公告)日：2015-12-15

申请号：US14664250

申请日：2015-03-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soeng-Hun Kim ,  Gert Jan Van Lieshout ,  Ju-Ho Lee ,  Kyeong-In Jeong ,  Himke Van Der Velde

IPC: H04W56/00 ,  H04W76/04 ,  H04W72/04 ,  H04L5/00 ,  H04W52/02

CPC classification number: H04W76/048 ,  H04L5/0057 ,  H04W24/10 ,  H04W52/0216 ,  H04W52/0222 ,  H04W52/0225 ,  H04W56/0005 ,  H04W56/001 ,  H04W72/042 ,  H04W72/14 ,  H04W76/28 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1244 ,  Y02D70/1262 ,  Y02D70/23 ,  Y02D70/24 ,  Y02D70/25

Abstract: Methods and apparatuses are provided for establishing time alignment by a terminal in a mobile communication system. Information for identifying a preamble on a downlink control channel is received from a base station. The preamble is transmitted to the base station based on the information for identifying the preamble. A response message including timing adjustment information, information for a channel quality indicator (CQI) request, and uplink resource information on a downlink shared channel is received from the base station. The time alignment is established based on the timing adjustment information included in the response message. A CQI is transmitted based on the information for the CQI request and the uplink resource information.

Abstract translation: 提供了用于在移动通信系统中由终端建立时间对准的方法和装置。 从基站接收用于识别下行链路控制信道上的前导码的信息。 基于用于识别前导码的信息，将前导码发送到基站。 从基站接收包括定时调整信息，信道质量指示符（CQI）请求的信息和下行链路共享信道上的上行链路资源信息的响应消息。 基于包括在响应消息中的定时调整信息建立时间对准。 基于CQI请求的信息和上行资源信息来发送CQI。