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公开(公告)号：US20230421238A1
公开(公告)日：2023-12-28
申请号：US18339352
申请日：2023-06-22
Inventor： Han Jun PARK , Heesoo LEE , Yong Jin KWON , An Seok LEE , Yun Joo KIM , Hyun Seo PARK , Jung Bo SON , Yu Ro LEE
IPC: H04B7/08 , H04B17/373 , H04B7/06
CPC classification number: H04B7/088 , H04B17/373 , H04B7/0626
Abstract: A method of a terminal may comprise: receiving downlink reference signals from a base station; generating beam report information based on the downlink reference signals, and transmitting the beam report information to the base station; receiving, from the base station, beam prediction information based on the beam report information and valid time information on a valid time for the beam prediction information; and selecting a beam based on the beam prediction information and the valid time information, and using the selected beam.
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52.发明公开公开(公告)号：US20230354063A1
公开(公告)日：2023-11-02
申请号：US18308188
申请日：2023-04-27
Inventor： Han Jun PARK , An Seok LEE , Heesoo LEE , Yong Jin KWON , Hyun Seo PARK , Yu Ro LEE
Abstract: A method of a base station may comprise: receiving, from each of terminals belonging to the base station, a capability information report message related to an artificial neural network; generating artificial neural network configuration information based on capability of the base station and the capability information report message received from each of the terminals; and transmitting the generated artificial neural network configuration information to the terminals belonging to the base station.
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53.发明公开公开(公告)号：US20230198814A1
公开(公告)日：2023-06-22
申请号：US18085123
申请日：2022-12-20
Inventor： An Seok LEE , Yong Jin KWON , Heesoo LEE , Yun Joo KIM , Hyun Seo PARK , Yu Ro LEE
CPC classification number: H04L25/0254 , H04W24/08
Abstract: An operation method of a terminal using a channel estimation artificial intelligence (AI) model may comprise: receiving, from a base station, information on the channel estimation AI model; performing first channel estimation using the channel estimation AI model by receiving a first signal A from a base station; and receiving, from the base station, data based on the estimated channel.
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公开(公告)号：US20210385703A1
公开(公告)日：2021-12-09
申请号：US17338575
申请日：2021-06-03
Inventor： Hyun Seo PARK , Yun Joo KIM , Eunkyung KIM , Tae Joong KIM , An Seok LEE , Yu Ro LEE , Heesoo LEE
IPC: H04W36/00
Abstract: Disclosed are a method and an apparatus for enhanced conditional handover (CHO). An operation method of a base station may comprise: receiving a measurement report message from a terminal; transmitting a CHO request message to one or more candidate target cells; receiving a CHO request ACK message from the one or more candidate target cells; and transmitting an RRC reconfiguration message including CHO status report configuration information to the terminal, wherein the CHO status report configuration information requests transmission of information for determining a target cell to which terminal is likely to be handed over among the one or more candidate target cells.
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公开(公告)号：US20210143873A1
公开(公告)日：2021-05-13
申请号：US17154779
申请日：2021-01-21
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , Il Gyu KIM , Seung Chan BANG
IPC: H04B7/0452 , H04W72/04 , H04L5/00 , H04B7/06
Abstract: A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus
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Patent Agency Ranking
56.发明申请公开(公告)号：US20210045150A1
公开(公告)日：2021-02-11
申请号：US17082932
申请日：2020-10-28
Inventor： Eun Kyung KIM , Hyun Seo PARK , An Seok LEE , Yu Ro LEE , Hyun LEE , Hee Soo LEE
Abstract: Disclosed are a method and an apparatus for providing low-latency services in a communication system. A downlink communication method may comprise receiving downlink control information (DCI) including resource allocation information from a base station through a control channel of a subframe #n; receiving downlink data from the base station through a data channel of a subframe #n+k indicated by the resource allocation information included in the DCI; and transmitting a first hybrid automatic repeat request (HARQ) response for the downlink data to the base station through a control channel of a subframe #n+k+l. Thus, the performance of the communication system can be improved.
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57.发明申请公开(公告)号：US20200053576A1
公开(公告)日：2020-02-13
申请号：US16659840
申请日：2019-10-22
Inventor： Yu Ro LEE , Jae Woo PARK , Jae Seung LEE , Jee Yon CHOI , Il Gyu KIM , Seung Chan BANG
Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.
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公开(公告)号：US20190207738A1
公开(公告)日：2019-07-04
申请号：US16134632
申请日：2018-09-18
Inventor： Jung Bo SON , Dong Hyuk GWAK , Seon Ae KIM , Yu Ro LEE , Hyun LEE , Hyung Sik JU
Abstract: An operating method of a slave node that communicates with a master node in an in-band full duplex (IFD) system may comprise receiving a beacon signal from the master node during a training sequence period; transmitting a first self-interference (SI) training sequence including a first radio frequency (RF)/analog SI training sequence, a first automatic gain control (AGC) sequence, and a first digital SI training sequence to the master node during the training sequence period after the beacon signal is received; calculating a filter factor for canceling an analog SI signal input to the slave node on the basis of the first RF/analog SI training sequence; and canceling the analog SI signal from the first AGC sequence on the basis of the filter factor.
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59.发明申请公开(公告)号：US20190028938A1
公开(公告)日：2019-01-24
申请号：US16040926
申请日：2018-07-20
Inventor： Hyun Seo PARK , Eun Kyung KIM , Tae Joong KIM , An Seok LEE , Yu Ro LEE , Hyun LEE , Hee Soo LEE
CPC classification number: H04W36/0058 , H04W36/00837 , H04W36/30
Abstract: An operation method of a terminal includes receiving configuration information from a serving base station; measuring channel states of the serving base station and a target base station; when a difference between received signal strengths of the serving base station and the target base station is not less than a handover preparation offset, determining that a handover preparation event has occurred and transmitting a measurement report message to the serving base station; and when the difference is equal to or greater than a handover execution offset, determining that a handover execution event has occurred and transmitting a handover indication message informing of execution of a handover to the target base station. The channel state is normal state, abnormal state, or RLF state, and the configuration information indicates a different handover preparation offset and a different handover execution event according to the channel state.
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60.发明申请公开(公告)号：US20170195010A1
公开(公告)日：2017-07-06
申请号：US15462370
申请日：2017-03-17
Inventor： Jee Yon CHOI , Jae Woo PARK , Yu Ro LEE , Jae Seung LEE , Il Gyu KIM , Seung Chan BANG
IPC: H04B7/024 , H04B7/0456 , H04B7/0408
CPC classification number: H04B7/024 , H04B7/0408 , H04B7/0456 , H04W74/0816
Abstract: Disclosed is a protocol for transmitting data through cooperation between access points in an overlapped basic service set (OBSS) environment. A cooperative beamforming communication method may include negotiating, by a first access point, a cooperative transmit beamforming with a second access point having an OBSS area with the first access point; transmitting, by the first access point, a clear-to-send (CTS) to the second access point; and performing, by the first access point, the cooperative transmit beamforming with the second access point during a cooperative transmit beamforming duration determined through the negotiation after a predetermined time interval is elapsed, when transmission of the CTS is completed.
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