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公开(公告)号：US12114194B2
公开(公告)日：2024-10-08
申请号：US17148467
申请日：2021-01-13
发明人： Gilwon Lee , Jeongho Jeon , Joonyoung Cho , Md. Saifur Rahman
IPC分类号： H04W24/10 , H04B7/0408 , H04L5/00 , H04L41/0668 , H04W24/08 , H04W72/21 , H04W88/06
CPC分类号： H04W24/10 , H04B7/0408 , H04L5/0048 , H04L41/0668 , H04W24/08 , H04W72/21 , H04W88/06
摘要： A user equipment (UE) is configured to perform a method for measuring and reporting multi-beam operations. The UE includes a transceiver configured to communicate via a multi-beam operation with a base station. The UE further includes a processor operably connected to the transceiver. The processor is configured to at least one of: transmit, via the transceiver through a first set of antenna ports, one or more uplink (UL) reference signals (RSs), or receive, via the transceiver, one of: one or more downlink (DL) RSs transmitted by a base station (BS), or the one or more transmitted UL RSs, measure, via the transceiver using a second set of antenna ports, signal qualities of the one or more UL RSs and the one or more DL RSs for a time period, and perform measurement reporting of the measured signal qualities.
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公开(公告)号：US20240147284A1
公开(公告)日：2024-05-02
申请号：US18482817
申请日：2023-10-06
发明人： Jeongho Jeon
CPC分类号： H04W24/10 , H04L5/0048
摘要： Method and apparatuses for prediction based beam management in cellular systems. A method for a user equipment (UE) to report information related to a beam prediction is provided. The method includes receiving first information related to reception of reference signals (RSs) for beam measurements, second information indicating one or more reporting quantities related to the beam prediction, third information related to determining the one or more reporting quantities, fourth information related to transmitting the one or more reporting quantities, and the RSs for the beam measurements based on the first information. The method further includes measuring the RSs, determining the one or more reporting quantities indicated by the second information based on the third information and the measurement of RSs, and transmitting a channel with the one or more reporting quantities based on the fourth information.
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公开(公告)号：US11956064B2
公开(公告)日：2024-04-09
申请号：US17129672
申请日：2020-12-21
发明人： Shuang Tian , Qiaoyang Ye , Jeongho Jeon , Joonyoung Cho
CPC分类号： H04B7/18513 , H04B7/18539 , H04B7/1855 , H04L1/0004
摘要： Doppler pre-compensated control and data signal(s) generated using first and second Doppler pre-compensation patterns, respectively, are transmitted. A signal indicating the Doppler pre-compensation patterns is transmitted. The Doppler pre-compensated control signals comprise synchronization signals, system information blocks (SIBs), a radio resource control (RRC) message, or a physical downlink control channel (PDCCH), and the Doppler pre-compensated data signals comprise a physical downlink shared channel (PDSCH). The signal indicating the Doppler pre-compensation patterns comprises one of an RRC message or a PDCCH, and may indicate absolute Doppler values or a difference between Doppler values. The PDCCH may indicate a time offset between the PDCCH PDSCH.
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公开(公告)号：US20240097764A1
公开(公告)日：2024-03-21
申请号：US18460476
申请日：2023-09-01
发明人： Jeongho Jeon
IPC分类号： H04B7/06 , H04B17/391 , H04W24/02
CPC分类号： H04B7/0626 , H04B17/3913 , H04W24/02
摘要： Method and apparatuses for channel state information (CSI) feedback in cellular systems. A method for operating a user equipment (UE) to report CSI includes transmitting first information related to a capability of the UE to support machine learning (ML) based CSI reporting and second information related to a selection of a ML model for CSI reporting. The method further includes receiving third information related to configuring a first ML model for determining the CSI, fourth information related to processing a ML model output, fifth information related to reception of CSI reference signals (CSI-RS s) on a cell, and the CSI-RSs based on the fifth information. The method further includes determining, based on the third and fourth information and the reception of the CSI-RSs, a CSI report using the first ML model and transmitting a channel with the CSI report.
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公开(公告)号：US11917466B2
公开(公告)日：2024-02-27
申请号：US17450550
申请日：2021-10-11
发明人： Jeongho Jeon , Kyeongin Jeong , Joonyoung Cho , Andrew Park , Eunsun Kim
CPC分类号： H04W36/00837 , H04W36/0072 , H04W36/0088 , H04W36/32
摘要： A method for user equipment (UE) service handover from the serving cell to a target cell includes information regarding a handover timer and an associated handover execution condition. For scheduled handover to be performed upon expiration of the handover timer, the associated handover execution condition comprises one or more abort conditions for aborting the scheduled handover. For two-stage triggered handover to be performed upon receipt of a subsequent triggering message, the handover timer is a handover validity timer and the associated handover execution condition comprises receipt of the handover triggering message prior to expiration of the handover validity timer.
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公开(公告)号：US20240049248A1
公开(公告)日：2024-02-08
申请号：US18350651
申请日：2023-07-11
IPC分类号： H04W72/232 , H04W76/28
CPC分类号： H04W72/232 , H04W76/28
摘要： Methods and apparatuses for discontinuous reception (DRX) for a group of user equipments (UEs). A method of a UE in a wireless communication system includes receiving higher layer parameters and determining DRX ON durations based on the higher layer parameters and reception occasions for physical downlink control channels (PDCCHs) based on the higher layer parameters, wherein a first PDCCH from the PDCCHs provides a downlink control information (DCI) format. The method further includes receiving the first PDCCH in at least one reception occasion from the reception occasions and determining based on an indication in the DCI format, whether to receive a second PDCCH in at least one DRX ON duration from consecutive NDRX DRX ON durations that are after the reception of the first PDCCH, wherein the indication in the DCI format is a bitmap of size NDRX, and NDRX bits in the bitmap are respectively associated with the NDRX DRX ON durations.
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公开(公告)号：US20230308349A1
公开(公告)日：2023-09-28
申请号：US18159660
申请日：2023-01-25
发明人： Caleb K. Lo , Jeongho Jeon , Gilwon Lee
IPC分类号： H04L41/0816 , H04L41/16 , H04B7/06 , H04L41/08
CPC分类号： H04L41/0816 , H04L41/16 , H04B7/0686 , H04L41/0886
摘要： Machine learning (ML) adaptation of any one of reference signal (RS) temporal density, RS frequency density, RS spatial density, or number of transmission/reception points (TRPs) that transmit RS provides configuration of lower RS densities or fewer TRPs that transmit RS without significant loss of throughput in appropriate circumstances. Determinations to switch from high density transmission to low density transmission, to reduce the number of antenna ports or TRPs that transmit RS, or to fallback to high density transmission may be made by the ML model, optionally with UE assistance information.
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公开(公告)号：US11728922B2
公开(公告)日：2023-08-15
申请号：US17131499
申请日：2020-12-22
发明人： Qiaoyang Ye , Jeongho Jeon , Joonyoung Cho , Shuang Tian
摘要： A non-terrestrial network (NTN) node transmits configuration information including an indication of a maximum transmission block size (TBS) for a physical uplink shared channel (PUSCH) transmission or a physical downlink shared channel (PDSCH). A TBS for the PUSCH or PDSCH is determined based on at least the indicated TBS, and one of a signal indicates one of a maximum modulation and coding scheme (MCS) for the PUSCH or PDSCH transmission or whether the PUSCH or PDSCH transmission uses a default MCS, or the MCS is determined based on at least the indicated maximum MCS, and the PUSCH is transmitted or the PDSCH is received based on the determined TBS and the determined MCS. A maximum TBS, a maximum MCS, or a number of hybrid automatic repeat request (HARD) processes is indicated by a master information block (MIB), a system information block (SIB), or radio resource control (RRC) signaling.
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公开(公告)号：US20220338189A1
公开(公告)日：2022-10-20
申请号：US17658977
申请日：2022-04-12
发明人： Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Qiaoyang Ye
摘要： Machine learning (ML) assisted channel state information (CSI) reporting or ML assisted CSI prediction includes receiving CSI reporting configurations that include indications that enable or disable at least one of: ML-assisted CSI prediction and artificial intelligence channel feature information (AI-CFI) reporting. ML model training is performed or trained ML model parameters are received, and CSI reference signals corresponding to at least one of the CSI reporting configurations are received. If ML-assisted CSI prediction is enabled, the CSI reporting configurations further include: a timing offset for future CSI prediction, and ML configurations including indication of an ML model used for the ML-assisted CSI prediction. If AI-CFI reporting is enabled, the CSI reporting configurations further include: a configuration for a report of the AI-CFI, and ML configurations including indication of an ML model used for the ML assisted-CSI feedback determination.
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公开(公告)号：US20220287104A1
公开(公告)日：2022-09-08
申请号：US17653435
申请日：2022-03-03
发明人： Jeongho Jeon , Qiaoyang Ye , Joonyoung Cho
摘要： ML/AI configuration information transmitted from a base station to a UE includes one or more of enabling/disabling an ML approach for one or more operations, one or more ML models to be used for the one or more operations, trained model parameters for the one or more ML models, and whether ML model parameters received from the UE at the base station will be used. Assistance information generated based on the configuration information is transmitted from the UE to the base station. The UE may perform an inference regarding operations based on the configuration information and local data, or the inference may be performed at one of the base station or another network entity based on assistance information received from UEs including the UE. The assistance information may be local data such as UE location, UE trajectory, or estimated DL channel status, inference results, or updated model parameters.
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