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51.
公开(公告)号:US11743959B2
公开(公告)日:2023-08-29
申请号:US17466216
申请日:2021-09-03
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jaehyuk Jang , Soenghun Kim , Gert-Jan Van Lieshout , Youngbum Kim
IPC: H04W76/15 , H04W52/30 , H04W52/36 , H04W52/48 , H04W52/14 , H04W52/50 , H04W74/08 , H04W52/24 , H04L5/00 , H04W52/34 , H04W52/40
CPC classification number: H04W76/15 , H04W52/146 , H04W52/30 , H04W52/36 , H04W52/367 , H04W52/48 , H04W52/50 , H04W74/0833 , H04L5/001 , H04W52/244 , H04W52/34 , H04W52/346 , H04W52/365 , H04W52/40
Abstract: A random access method and an apparatus of a terminal for performing random access procedure to multiple base stations in parallel in a Long Term Evolution (LTE) system supporting dual connectivity are provided. The method includes determining whether a first preamble transmission to a first cell of a first base station is overlapped with a second preamble transmission to a second cell of a second base station in a time domain, determining, when the first preamble transmission is overlapped with the second preamble transmission in the time domain, whether a sum of transmit powers calculated for the first and second preamble transmissions is greater than a maximum allowed transmit power of the terminal, and controlling, when the sum of the first and second preamble transmit powers is greater than the maximum allowed transmit power, the transmit power calculated for the second preamble transmission.
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52.
公开(公告)号:US11223455B2
公开(公告)日:2022-01-11
申请号:US16107714
申请日:2018-08-21
Applicant: Samsung Electronics Co., Ltd.
Inventor: Soeng Hun Kim , Gert-Jan Van Lieshout , Sang Bum Kim
Abstract: The present invention relates to a method and apparatus for transmitting data using a multi-carrier in a mobile communication system. The method of transmitting data in user equipment of a wireless communication system using a carrier aggregation technique according to an embodiment of the present invention includes the steps of setting secondary cells included in an S-TAG (Secondary-Timing Advance Group) configured of only secondary cells (SCells), deactivating a downlink timing reference cell in the S-TAG; determining whether other activated secondary cells exist besides the deactivated downlink timing reference cell in the S-TAG, and when the other activated secondary cells exist in the S-TAG, setting one of the other activated secondary cells as a new downlink timing reference cell. According to the present invention, uplink transmission speed can be increased in the user equipment and user QoS can be improved by transmitting data using one or more uplink carriers in the terminal.
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53.
公开(公告)号:US11212737B2
公开(公告)日:2021-12-28
申请号:US16468177
申请日:2017-12-15
Applicant: Samsung Electronics Co., Ltd.
Inventor: Anil Agiwal , Gert-Jan Van Lieshout , Himke Van Der Velde , Mangesh Abhimanyu Ingale , Youngbin Chang
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. A method for managing system information (SI) window in a wireless communication system is provided. The method includes determining a plurality of SI messages to be transmitted at a time point, identifying a SI window number at the time point, and determining at least one of SI message among the plurality of SI messages, the at least one of SI message being included in a SI window corresponding to the SI window number.
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54.
公开(公告)号:US11121832B2
公开(公告)日:2021-09-14
申请号:US16674847
申请日:2019-11-05
Applicant: Samsung Electronics Co., Ltd.
Inventor: Soeng Hun Kim , Gert-Jan Van Lieshout , Sang Bum Kim
Abstract: The present disclosure relates to a method and apparatus for transmitting data using a multi-carrier in a mobile communication system. The method of transmitting data in user equipment of a wireless communication system using a carrier aggregation technique according to an embodiment of the present disclosure includes the steps of setting secondary cells included in an S-TAG (Secondary-Timing Advance Group) configured of only secondary cells (SCells), deactivating a downlink timing reference cell in the S-TAG; determining whether other activated secondary cells exist besides the deactivated downlink timing reference cell in the S-TAG, and when the other activated secondary cells exist in the S-TAG, setting one of the other activated secondary cells as a new downlink timing reference cell. According to the present disclosure, uplink transmission speed can be increased in the user equipment and user QoS can be improved by transmitting data using one or more uplink carriers in the terminal.
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公开(公告)号:US11115159B2
公开(公告)日:2021-09-07
申请号:US16889078
申请日:2020-06-01
Applicant: Samsung Electronics Co., Ltd.
Inventor: Soeng Hun Kim , Gert-Jan Van Lieshout , Aris Papasakellariou
Abstract: A device and method for handling HARQ feedback in a mobile communication system are disclosed. The HARQ feedback handling method includes: analyzing a control message from a base station to recognize presence of HARQ feedback relationships between downlink carriers and uplink carriers; determining an uplink carrier (a downlink carrier) to support HARQ feedback in response to downlink traffic (uplink traffic) sent through a downlink carrier (an uplink carrier); and sending (receiving) HARQ feedback through the determined uplink carrier (downlink carrier).
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56.
公开(公告)号:US11064397B2
公开(公告)日:2021-07-13
申请号:US15703542
申请日:2017-09-13
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jae Hyuk Jang , Gert-Jan Van Lieshout , Kyeong In Jeong
Abstract: The present disclosure provides a method for cell reselection in a wireless communication system in which various radio access technologies (RATs) coexist with each other. In a wireless communication system in which heterogeneous networks coexist with each other, the method of cell reselection between heterogeneous networks for a user equipment may include: receiving a system information block (SIB) containing cell reselection parameters from a corresponding base station; checking whether cell reselection parameters based on a cell selection quality value (Squal) are configured in the received SIB; and performing, when cell reselection parameter based on Squal are not configured, cell reselection based on a cell selection receive level value (Srxlev). The present disclosure may prevent the user equipment from performing unnecessary cell reselection.
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57.
公开(公告)号:US20210168899A1
公开(公告)日:2021-06-03
申请号:US17173608
申请日:2021-02-11
Applicant: Samsung Electronics Co., Ltd.
Inventor: Soeng-Hun KIM , No-Jun Kwak , Gert-Jan Van Lieshout , Himke Van Der Velde
Abstract: A method and apparatus are provided for controlling an active state in a mobile communication system. The method includes receiving, from a base station, information related to a starting position of an active state and information related to a length of a first timer; deriving the starting position of the active state based on the information related to the starting position; starting the first timer set to the length of the first timer and entering the active state at the derived starting position; terminating the active state if control data indicating a transmission of user data is not received until the first timer expires; extending a period of the active state if the control data is received before the first timer expires; and terminating the active state based on a control signal indicating a termination of the active state.
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公开(公告)号:US11012889B2
公开(公告)日:2021-05-18
申请号:US16881587
申请日:2020-05-22
Applicant: Samsung Electronics Co., Ltd.
Inventor: Donggun Kim , Soenghun Kim , Seungri Jin , Sangbum Kim , Gert-Jan Van Lieshout , Alexander Sayenko , Jaehyuk Jang
Abstract: A communication technique of fusing a fifth generation (5G) communication system for supporting higher data transmission rate beyond a fourth generation (4G) system with an Internet of things (IoT) technology and a system thereof are provided. The communication technique may be used for an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or a connected car, health care, digital education, a retail business, a security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. A method for defining media access control (MAC) sub-header structures suitable for a next generation mobile communication system and applying the MAC sub-header structures to provide a high data transmission rate and a low latency in the next generation mobile communication system is provided.
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59.
公开(公告)号:US11006325B2
公开(公告)日:2021-05-11
申请号:US15703542
申请日:2017-09-13
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jae Hyuk Jang , Gert-Jan Van Lieshout , Kyeong In Jeong
Abstract: The present disclosure provides a method for cell reselection in a wireless communication system in which various radio access technologies (RATs) coexist with each other. In a wireless communication system in which heterogeneous networks coexist with each other, the method of cell reselection between heterogeneous networks for a user equipment may include: receiving a system information block (SIB) containing cell reselection parameters from a corresponding base station; checking whether cell reselection parameters based on a cell selection quality value (Squal) are configured in the received SIB; and performing, when cell reselection parameter based on Squal are not configured, cell reselection based on a cell selection receive level value (Srxlev). The present disclosure may prevent the user equipment from performing unnecessary cell reselection.
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60.
公开(公告)号:US10992429B2
公开(公告)日:2021-04-27
申请号:US16107714
申请日:2018-08-21
Applicant: Samsung Electronics Co., Ltd.
Inventor: Soeng Hun Kim , Gert-Jan Van Lieshout , Sang Bum Kim
Abstract: The present invention relates to a method and apparatus for transmitting data using a multi-carrier in a mobile communication system. The method of transmitting data in user equipment of a wireless communication system using a carrier aggregation technique according to an embodiment of the present invention includes the steps of setting secondary cells included in an S-TAG (Secondary-Timing Advance Group) configured of only secondary cells (SCells), deactivating a downlink timing reference cell in the S-TAG; determining whether other activated secondary cells exist besides the deactivated downlink timing reference cell in the S-TAG, and when the other activated secondary cells exist in the S-TAG, setting one of the other activated secondary cells as a new downlink timing reference cell. According to the present invention, uplink transmission speed can be increased in the user equipment and user QoS can be improved by transmitting data using one or more uplink carriers in the terminal.
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