公开(公告)号：US10827483B2

公开(公告)日：2020-11-03

申请号：US16195840

申请日：2018-11-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbum Kim ,  Himke Van Dervelde ,  Soenghun Kim ,  Jaehyuk Jang ,  Kyeongin Jeong

IPC: H04W72/04 ,  H04W16/32

Abstract: A method and an apparatus, in a mobile communication system, for effectively providing configuration information about a small cell that has a small cell service region are provided. The method for transmitting reconfiguration information of a small cell base station in a mobile communication system includes: when deciding to reconfigure a small cell, obtaining the latest macro cell configuration information from a macro cell base station; generating reconfiguration information about the small cell on the basis of the obtained macro cell configuration information; and transmitting, to the macro cell base station, the regenerated reconfiguration information so that the macro cell base station can transmit the reconfiguration information to User Equipment (UE).

公开(公告)号：US10652873B2

公开(公告)日：2020-05-12

申请号：US15954261

申请日：2018-04-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbum Kim ,  Soenghun Kim ,  Kyeongin Jeong

IPC: H04J3/00 ,  H04W72/04 ,  H04B7/26 ,  H04L7/00 ,  H04L7/033 ,  H04L5/14 ,  H04W72/12 ,  H04W72/14 ,  H04W74/08 ,  H04L5/00

Abstract: A method for configuring a time division duplex (TDD) of a user equipment in a communication system, according to one embodiment of the present invention, comprises the steps of: receiving from a base station a first TDD configuration; receiving from the base station a message including information related to a dynamic TDD configuration; receiving a second TDD configuration according to the received information related to the dynamic TDD configuration; receiving from the base station an uplink grant; and determining whether to apply the first TDD configuration or the second TDD configuration based on a method by which the unlink grant is received. According to one embodiment of the present invention, the advantages of configuring a shorter cycle of the TDD to the user equipment supporting the TDD in a wireless communication system, and rapidly configuring the TDD to the user equipment variably according to a communication situation are provided.

公开(公告)号：US10602492B2

公开(公告)日：2020-03-24

申请号：US15439512

申请日：2017-02-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaehyuk Jang ,  Kyeongin Jeong

IPC: H04W76/02 ,  H04W72/04 ,  H04W76/19 ,  H04L1/18 ,  H04L5/00 ,  H04W28/04 ,  H04W52/02 ,  H04W52/36 ,  H04W52/50 ,  H04W56/00 ,  H04W74/00 ,  H04W74/08 ,  H04W88/08 ,  H04W76/38 ,  H04L27/26 ,  H04W24/04 ,  H04W48/08 ,  H04W72/00 ,  H04W84/04

Abstract: A method of configuring downlink timings and transmitting a random access response message is provided for a random access procedure in a Long Term Evolution (LTE) system supporting carrier aggregation. The method for adjusting timing of a terminal in a wireless communication system supporting carrier aggregation of at least one carrier includes transmitting a Random Access Preamble to a base station, and receiving a Random Access Response with a Timing Advance Command (TAC) for commanding uplink timing adjustment from the base station, wherein the Random Access Response comprises information indicating a Timing Advance Group (TAG) to which the TAC is applied.

公开(公告)号：US10588157B2

公开(公告)日：2020-03-10

申请号：US16244664

申请日：2019-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soenghun Kim ,  Sangbum Kim ,  Jaehyuk Jang ,  Kyeongin Jeong ,  Jongsoo Choi

IPC: H04W74/08 ,  H04W72/04 ,  H04W36/32 ,  H04W76/27 ,  H04W36/00 ,  H04L1/18 ,  H04W8/06 ,  H04W24/08 ,  H04W56/00 ,  H04W88/08

Abstract: A data transmission method and an apparatus to communicate data on multiple carriers in the mobile communication system are provided. A random access method of a terminal in a mobile communication system including primary and secondary cells operating on multiple carriers according to the present invention includes communicating data after random access in the primary cell, receiving, when the random access is triggered in the secondary cell, information for use in the secondary cell random access from the primary cell, transmitting a preamble in the secondary cell based on the received information, monitoring the primary cell to receive a Random Access Response for the secondary cell, and applying, when the Random Access Response for the secondary cell is received, the information carried in the Random Access Response to the secondary cell in which the preamble has been transmitted.

公开(公告)号：US10499447B2

公开(公告)日：2019-12-03

申请号：US15439512

申请日：2017-02-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaehyuk Jang ,  Kyeongin Jeong

IPC: H04W76/02 ,  H04W76/19 ,  H04L5/00 ,  H04W56/00 ,  H04W74/08 ,  H04L1/18 ,  H04W52/02 ,  H04W52/36 ,  H04W52/50 ,  H04W74/00 ,  H04W72/04 ,  H04W76/38 ,  H04L27/26 ,  H04W48/08 ,  H04W72/00 ,  H04W88/08 ,  H04W84/04

Abstract: A method of configuring downlink timings and transmitting a random access response message is provided for a random access procedure in a Long Term Evolution (LTE) system supporting carrier aggregation. The method for adjusting timing of a terminal in a wireless communication system supporting carrier aggregation of at least one carrier includes transmitting a Random Access Preamble to a base station, and receiving a Random Access Response with a Timing Advance Command (TAC) for commanding uplink timing adjustment from the base station, wherein the Random Access Response comprises information indicating a Timing Advance Group (TAG) to which the TAC is applied.

公开(公告)号：US10349407B2

公开(公告)日：2019-07-09

申请号：US14658674

申请日：2015-03-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbum Kim ,  Soenghun Kim ,  Gert-Jan Van Lieshout ,  Himke Van Der Velde ,  Kyeongin Jeong

IPC: H04W72/04 ,  H04W48/10 ,  H04L5/00 ,  H04W48/20

Abstract: A method and an apparatus for supporting multiple frequency bands efficiently in a mobile communication system are provided. The method includes generating first system information including a frequency band indicator indicating a frequency band supported by the base station and an additional frequency band indicator indicating at least one frequency band supported by the base station, and broadcasting the first system information.

公开(公告)号：US10299268B2

公开(公告)日：2019-05-21

申请号：US14658674

申请日：2015-03-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangbum Kim ,  Soenghun Kim ,  Gert-Jan Van Lieshout ,  Himke Van Der Velde ,  Kyeongin Jeong

IPC: H04W72/04 ,  H04W48/10 ,  H04L5/00 ,  H04W48/20

Abstract: A method and an apparatus for supporting multiple frequency bands efficiently in a mobile communication system are provided. The method includes generating first system information including a frequency band indicator indicating a frequency band supported by the base station and an additional frequency band indicator indicating at least one frequency band supported by the base station, and broadcasting the first system information.

公开(公告)号：US20190116508A1

公开(公告)日：2019-04-18

申请号：US16206897

申请日：2018-11-30

Applicant: Samsung Electronics Co., Ltd

Inventor： Soenghun Kim ,  Gert Jan Van Lieshout ,  Sangbum Kim ,  Kyeongin Jeong

IPC: H04W24/02 ,  H04W72/04 ,  H04W76/15 ,  H04W76/10 ,  H04W28/02

Abstract: A mobile communication system is provided. In particular, a method and an apparatus for transmitting/receiving data using a plurality of carriers in a mobile communication system is provided.

公开(公告)号：US10172181B2

公开(公告)日：2019-01-01

申请号：US14712231

申请日：2015-05-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Soenghun Kim ,  Sangbum Kim ,  Jaehyuk Jang ,  Kyeongin Jeong

IPC: H04W76/00 ,  H04W88/06 ,  H04W76/27 ,  H04W36/36 ,  H04W16/32 ,  H04W24/02

Abstract: The disclosure relates to methods and systems for converging a 5th-Generation (5G) communication system with technology for Internet of Things (IoT). The disclosure is applicable to intelligent services based on 5G communication and IoT-related technologies. A method for configuring a connection by a terminal is provided, which includes receiving a radio resource control (RRC) message from a base station, determining whether semi-persistent scheduling (SPS) and transmission time interval (TTI) bundling are configured based on the RRC message, determining whether dual connectivity is configured, if the SPS and the TTI bundling are configured, determining whether the TTI bundling is configured for master cell group (MCG) and the SPS is configured for secondary cell group (SCG), if the dual connectivity is configured, and configuring an RRC connection based on the RRC message, if the TTI bundling is configured for the MCG and the SPS is configured for the SCG.

公开(公告)号：US20180352457A1

公开(公告)日：2018-12-06

申请号：US16041600

申请日：2018-07-20

Applicant: Samsung Electronics Co., Ltd

Inventor： Soenghun Kim ,  Sangsoo Jeong ,  Sunghwan Won ,  Kyeongin Jeong ,  Jaehyuk Jang ,  Gert-Jan Van Lieshout ,  Sangbum Kim ,  Songyean Cho

IPC: H04W24/08 ,  H04W52/36

CPC classification number: H04W24/08 ,  H04W24/10 ,  H04W52/365 ,  H04W84/042

Abstract: Provided are a communication method and system enabling convergence of 5G communication and IoT technology to achieve higher data rates for beyond 4G communication systems.In addition, provided is a method for transmitting a power headroom report (PHR) by a user equipment (UE) in a mobile communication system. The method includes: receiving a first PHR configuration information for a first base station (first ENB); receiving a second PHR configuration information for a second ENB; generating, when the UE has dual connectivity to the first ENB and the second ENB, a dual connectivity PHR containing PHR information for the first ENB and second ENB based on a dual connectivity PHR format; and sending the dual connectivity PHR. There is also provided a user equipment supporting the above method. There is further provided a base station and operation method therefor that enable the user equipment to have dual connectivity.