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公开(公告)号：US20240056949A1
公开(公告)日：2024-02-15
申请号：US18492813
申请日：2023-10-24
Applicant: KT CORPORATION
Inventor： Sung-pyo HONG , Woo-jin CHOI
IPC: H04W48/08 , H04W76/25 , H04L1/1607 , H04W48/02
CPC classification number: H04W48/08 , H04W76/25 , H04L1/1614 , H04W48/02
Abstract: An access control technology in a next generation mobile communication network is disclosed. More specifically, disclosed is a technology for controlling an access control operation of a terminal through an integrated category by various methods and layers. One embodiment provides a method by which a terminal performs integrated access control, comprising the steps of: receiving, from a base station, system information including information for access control; indicating access category information from an NAS layer to an AS layer of the terminal when an access attempt is triggered; confirming whether access barring parameter information is included in the system information; and controlling an access barring check operation in the AS layer by using at least one of the access category information and the access barring parameter information.
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2.发明公开公开(公告)号：US20230379082A1
公开(公告)日：2023-11-23
申请号：US18352647
申请日：2023-07-14
Applicant: KT CORPORATION
Inventor： Kyujin PARK , Woo-jin CHOI
IPC: H04L1/1607 , H04L5/00 , H04L1/1867 , H04W28/04 , H04L1/1812 , H04W72/23 , H04L1/00
CPC classification number: H04L1/1614 , H04L5/0055 , H04L1/1896 , H04W28/04 , H04L1/1812 , H04L5/0053 , H04W72/23 , H04L1/0023
Abstract: Provided is a method of transmitting and receiving a data channel for the next-generation/5G radio access network. The method may include: receiving setting information about a code block group (CBG) for retransmission of the data channel from a base station; and receiving downlink control information (DCI) including scheduling information about the data channel from the base station, wherein the DCI includes transmission direction information about the CBG.
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公开(公告)号：US20210266216A1
公开(公告)日：2021-08-26
申请号：US17314034
申请日：2021-05-06
Applicant: KT CORPORATION
Inventor： Ki-tae KIM , Woo-jin CHOI
Abstract: Provided are a configuration method and a transmission method of a new reference signal for frequency offset estimation in a novel wireless communication system. The method may include configuring a synchronization signal to be transmitted through a first bandwidth part of one or more bandwidth parts configured by dividing an entire bandwidth into one or more parts, allocating the one or more reference signals for estimating the frequency offset on one or more resources other than a resource for configuring the synchronization signal, and transmitting the one or more reference signals for estimating the frequency offset.
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公开(公告)号：US20210120522A1
公开(公告)日：2021-04-22
申请号：US17047375
申请日：2019-04-08
Applicant: KT CORPORATION
Inventor： Ki-tae KIM , Woo-jin CHOI , KI-HYEON PARK
Abstract: Provided are methods and devices for performing positioning in a next-generation wireless network. The method of a UE for performing positioning include identifying configuration information for a transmission bandwidth of a positioning reference signal (PRS) configured per cell and receiving the positioning reference signal corresponding to each cell based on the configuration information for the transmission bandwidth.
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5.发明申请公开(公告)号：US20200351134A1
公开(公告)日：2020-11-05
申请号：US16929568
申请日：2020-07-15
Applicant: KT CORPORATION
Inventor： Kyujin PARK , Woo-jin CHOI
IPC: H04L27/26
Abstract: The present embodiments relate to a method for configuring a cyclic prefix for a next generation/5G radio access network (referred to as new radio (NR)) about which 3GPP has begun discussions. According to the present embodiments, a base station configures cyclic prefix (CP) lengths for secondary numerology except for reference numerology and sets, through RRC signaling, the values of the CP lengths configured for the secondary numerology, thereby enabling a terminal to detect the CP lengths for the secondary numerology in a cell supporting mixed numerology.
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Patent Agency Ranking
公开(公告)号：US20200228223A1
公开(公告)日：2020-07-16
申请号：US16832151
申请日：2020-03-27
Applicant: KT CORPORATION
Inventor： Seunghyun KANG , Minseok NOH , Woo-jin CHOI , Kyujin PARK , KyungJun LEE
Abstract: Provided are a method and a device for selecting a channel of an unlicensed band in configuring carrier aggregation for a terminal using an unlicensed band cell which uses an unlicensed frequency band. The method may include: receiving, from a base station, channel candidate information of a secondary cell using an unlicensed frequency band; transmitting channel state information with respect to one or more channels generated using the channel candidate information; and adding, as the secondary cell, a channel selected on the basis of the channel state information by the base station; and a device.
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7.发明申请公开(公告)号：US20190394768A1
公开(公告)日：2019-12-26
申请号：US16335717
申请日：2017-09-22
Applicant: KT CORPORATION
Inventor： Ki-tae KIM , Woo-jin CHOI
Abstract: Provided are a method and an apparatus for transmitting, by a terminal, channel state information (CSI) in a frame structure of a short transmission time interval (sTTI). The method includes: receiving type information of a short transmission time interval from a base station through an RRC signaling; determining a channel state information transmission period of a short transmission time interval on the basis of the type information of the short transmission time interval; determining channel state information to be transmitted to the base station according to a channel state information transmission period of a general transmission time interval and the channel state information transmission period of the short transmission time interval; and transmitting the channel state information to be transmitted to the base station through an uplink control channel of a short transmission time interval, wherein the general transmission time interval is set to 12 or 14 symbols, and the short transmission time interval is set to 2, 4, or 7 symbols.
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8.发明申请公开(公告)号：US20190394751A1
公开(公告)日：2019-12-26
申请号：US16464135
申请日：2018-01-05
Applicant: KT CORPORATION
Inventor： Kyujin PARK , Woo-jin CHOI
Abstract: Provided are a method and an apparatus for transmitting or receiving a downlink control channel in a next generation/5G wireless access network. The method includes receiving configuration information relating to a common search space (CSS) from a base station and receiving, through the common search space, a downlink control channel including information for scheduling remaining minimum system information (RMSI), wherein the configuration information is included in a master information block (MIB) received through a physical broadcast channel and is received from the base station.
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公开(公告)号：US20190386779A1
公开(公告)日：2019-12-19
申请号：US16489468
申请日：2018-03-07
Applicant: KT CORPORATION
Inventor： Sung-pyo HONG , Woo-jin CHOI
Abstract: Provided is a method for a user equipment to duplicately receive an identical control messages. The method includes duplicately receiving identical control messages from a base station and processing the duplicately received identical control messages by mapping same to mutually different logical channels, by using identification information or an identification entity for identifying and processing the duplicately received identical control message.
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公开(公告)号：US20190357001A1
公开(公告)日：2019-11-21
申请号：US16412376
申请日：2019-05-14
Applicant: KT CORPORATION
Inventor： Seunghyun KANG , Woo-jin CHOI
Abstract: Disclosed are a method and an apparatus for configuring a system information transmission resource for an MTC terminal. The method may include configuring a system bandwidth including two or more physical resource blocks with one or more subbands defined by two or more physical resource blocks to enable at least one remaining physical resource block to be located in a center of the system bandwidth and transmitting the system information to a predetermined user equipment (UE) using the subband.
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