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公开(公告)号：US20180152932A1
公开(公告)日：2018-05-31
申请号：US15824464
申请日：2017-11-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hayoung YANG , Jinhwan KANG , Chongdon KIM , Ikbeom LEE , Joohyun LEE
CPC classification number: H04W72/044 , H04B15/00 , H04L67/12 , H04W72/082 , H04W88/02 , H04W88/08
Abstract: A communication method and system for converging a fifth generation (5G) communication system supporting a data rate higher than that of a fourth generation (4G) system with internet of things (IoT) technology are provided. A system-specific resource allocation method of a base station supporting multiple communication systems is provided in order for the base station to improve qualities of system-specific signals. The method includes allocating a first resource for a first system operating with a first transmit power and a second resource for a second system operating with a second transmit power to at least one terminal and receiving a signal including a first signal corresponding to the first system and a second signal corresponding to the second system on the first resource and the second resource from the at least one terminal, the first resource and the second resource being identical in position with each other in a resource grid.
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2.发明申请公开(公告)号：US20190215204A1
公开(公告)日：2019-07-11
申请号：US16325633
申请日：2017-08-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seijoon SHIM , Hayoung YANG , Chongdon KIM , Chanho CHOI
CPC classification number: H04L27/2003 , H04B7/0671 , H04B7/0682 , H04B17/12 , H04B17/309 , H04L5/00 , H04L5/0005 , H04L5/0057 , H04L5/12 , H04L5/14 , H04L25/02 , H04L27/20 , H04L27/2657 , H04L27/2675
Abstract: Disclosed are a method and a device for differently applying phase rotations for each antenna by dividing a frequency band in order to solve a problem in which reception performance deteriorates in a specific subcarrier when the correlation between antennas is high. According to the present invention, a method by which a transmitter transmits a signal comprises the steps of: estimating the transmission correlation between respective transmission paths; calculating a phase rotation value to be applied to a transmission signal on the basis of the estimated transmission correlation; applying a phase rotation in accordance with the phase rotation value to the transmission signal; and transmitting the transmission signal.
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3.发明申请公开(公告)号：US20190207309A1
公开(公告)日：2019-07-04
申请号：US16331906
申请日：2017-09-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seijoon SHIM , Hayoung YANG , Chongdon KIM , Chanho CHOI
Abstract: The present disclosure relates to a communication technique for convergence of a 5G communication system for supporting a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The present disclosure may be applied to an intelligent service (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety-related service, etc.) on the basis of a 5G communication technology and an IoT-related technology. An operation method of an inter-antenna phase calibration device in a wireless communication system using an unlicensed band according to an embodiment of the present invention comprises the steps of: calculating a listen before talk (LBT) processing time while an LBT is being performed; selecting a calibration mode for calibrating an inter-antenna phase on the basis of the LBT processing time; and calibrating the inter-antenna phase according to the selected calibration mode.
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公开(公告)号：US20210288704A1
公开(公告)日：2021-09-16
申请号：US17257797
申请日：2019-07-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seijoon SHIM , Chongdon KIM , Hayoung YANG , Chanho CHOI
IPC: H04B7/06 , H04L5/00 , H04B7/0456
Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G system such as LTE. According to one embodiment, disclosed is a method by which a base station performs downlink beamforming in a wireless access system, comprising the steps of, receiving, from a terminal, information related to a channel state, checking, on the basis of the information related to a channel state, channel state information estimated by subcarrier group unit, acquiring analog beamforming information and digital beamforming information on the basis of the channel state information, performing, by subcarrier group unit, hybrid beamforming in which the analog beamforming and the digital beamforming are combined, on the basis of the analog beamforming information and the digital beamforming information, and transmitting subcarrier group information corresponding to the subcarrier group, wherein the number of subcarriers in the subcarrier group is no more than the number of subcarriers included in one resource block.
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5.发明申请公开(公告)号：US20190281564A1
公开(公告)日：2019-09-12
申请号：US16343651
申请日：2017-03-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hayoung YANG , Soongyoon CHOI , Chongdon KIM
Abstract: A method and apparatus is provided for determining, by a receiving end, a correction time value according to ranging access in a wireless communication system. A reception apparatus in a wireless communication system comprises a signal period selector for selecting a first detection time interval and a second detection time interval from a RACH signal for ranging access, the RACH signal including a RACH preamble sequence, a time offset detector for detecting a first time offset and a second time offset, each corresponding to a point of time when the preamble sequence is received, from the selected first detection time interval and the second detection time interval, respectively, and a time offset determiner for determining a correction time value for correcting a point of time when data is transmitted by a transmitting end in the wireless communication system, on the basis of the detected first time offset and the second time offset. This research was carried out with the support of “Pan-government Giga Korea Project” led by the Ministry of Science, ICT and Future Planning.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20190260616A1
公开(公告)日：2019-08-22
申请号：US16282110
申请日：2019-02-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hayoung YANG , Chongdon KIM , Joohyun LEE
Abstract: Provided are an apparatus for supporting a plurality of wireless communication systems and an operating method of the same. The apparatus receives an integrated signal including a first wireless communication system signal and a second wireless communication system signal assigned to a certain frequency band, performs first processing on the integrated signal, performs second processing on the integrated signal, is scheduled to perform at least one of first interference cancellation (IC) process of canceling interference of the first wireless communication system signal from the integrated signal based on the signal on which first processing is performed or second IC process of canceling interference of the second wireless communication system signal from the integrated signal based on the signal on which second processing is performed, and performs at least one of the first IC process or the second IC process based on the scheduling.
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公开(公告)号：US20210105730A1
公开(公告)日：2021-04-08
申请号：US16971905
申请日：2019-02-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seijoon SHIM , Hayoung YANG , Chongdon KIM , Byungjoon PARK , Myeongcheol SHIN , Joohyun LEE , Chanho CHOI
Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. A method for transmitting and receiving data comprises the steps of: receiving a first synchronization block over a first narrow band; identifying whether an indicator indicating that the first narrow band is not allocated to a terminal is included in the first synchronization block; and performing synchronization in the first narrow band if the indicator indicating that the first narrow band is not allocated to the terminal is not included in the first synchronization block.
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公开(公告)号：US20210058172A1
公开(公告)日：2021-02-25
申请号：US16979307
申请日：2019-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Ikbeom LEE , Chongdon KIM , Youngtaek BAE , Hayoung YANG
IPC: H04B17/345 , H04B17/327 , H04B7/06
Abstract: The present disclosure provides a method for measuring an amount of interference from an antenna, the method comprising the operations of: receiving at least on reference symbol; calculating a reference symbol NI, which is the antenna-related noise interference (NI) in the at least one reference symbol, on the basis of the at least one reference symbol; receiving at least one data symbol; calculating a data symbol NI, which is the antenna-related NI in the data symbol, on the basis of the at least one data symbol; calculating an NI ratio of the antenna which is the ratio of the data symbol NI relative to the reference symbol NI; and determining an antenna weight of the antenna on the basis of the NI ratio.
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公开(公告)号：US20200067608A1
公开(公告)日：2020-02-27
申请号：US16463123
申请日：2017-03-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seijoon SHIM , Chongdon KIM , Hayoung YANG , Joohyun LEE , Chanho CHOI
Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transfer rate than a 4G communication system such as LTE. The method is for phase correction of an antenna in a large-capacity antenna system, the method includes grouping large-capacity antennas into a predetermined number of groups; setting a path such that ports of the grouped antennas have a feedback path; outputting a test signal to be outputted to each antenna port of each group by adding a code or sequence having orthogonality; separating signals for each antenna port in the group by using the code or sequence having orthogonality in a signal received through the feedback path; and calculating a calibration value by detecting a phase change of the separated signal.
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10.发明申请公开(公告)号：US20210377743A1
公开(公告)日：2021-12-02
申请号：US16753464
申请日：2018-09-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chanho CHOI , Seijoon SHIM , Chongdon KIM , Hayoung YANG
Abstract: The present invention relates to a method and an apparatus for establishing a cell using system information of neighboring cells on the basis of interference environments of the neighboring cells in a wireless communication system. The method according to the present invention comprises the steps of: detecting, by a base station, cell IDs of neighboring cells by using synchronization signals transmitted from the neighboring cells; checking whether resources, to which common reference signals (CRS) transmitted from the neighboring cells are transmitted, overlap with each other, on the basis of the cell IDs; estimating channels of the neighboring cells by using the CRS s; and determining an interference environment for establishing a cell by using the result of the checking and the estimated channels.
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