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    AI/ML EMPOWERED HIGH ORDER MODULATION
    172.
    发明公开
    AI/ML EMPOWERED HIGH ORDER MODULATION 审中-公开

    公开(公告)号：US20240187295A1

    公开(公告)日：2024-06-06

    申请号：US18456249

    申请日：2023-08-25

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Pranav Madadi ,  Joonyoung Cho ,  Jianzhong Zhang

    IPC: H04L27/26

    CPC classification number: H04L27/2639 ,  H04L27/2695

    Abstract: A two-dimensional constellation for data signals having improved bitwise mutual information of data points is based on a signal-to-noise ratio (SNR) and a code rate where, based on the SNR, data bits are mapped to pre-defined in-phase and quadrature values. The in-phase and quadrature values denote points in the two-dimensional space such that the efficiency of bitwise mutual information is adapted based on the SNR. The mapping is preferably subject to a constraint selected from one of quadrant symmetry Lagrangian (QSL), quadrant symmetry constraint (QSC), or rectangular structure constraint (RSC).

    UPLINK TIMING AND FREQUENCY SYNCHRONIZATION
    174.
    发明公开
    UPLINK TIMING AND FREQUENCY SYNCHRONIZATION 审中-公开

    公开(公告)号：US20240007982A1

    公开(公告)日：2024-01-04

    申请号：US18468668

    申请日：2023-09-15

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Shiyang Leng ,  Jeongho Jeon ,  Qiaoyang Ye ,  Joonyoung Cho ,  Caleb K. Lo

    IPC: H04W56/00 ,  H04W74/08 ,  H04B7/01

    CPC classification number: H04W56/005 ,  H04W74/0833 ,  H04B7/01 ,  H04W84/06

    Abstract: Methods and apparatuses for uplink timing and frequency synchronization in a wireless communication system. A method for operating a user equipment (UE) includes receiving, from a base station (BS), information indicating satellite ephemeris information of a communication satellite associated with the BS, a common timing advance (TA), and a compensated frequency offset (FO). The method further includes transmitting a physical random access channel (PRACH) based on the common TA and the compensated FO and receiving a random access response (RAR) indicating a UE-specific TA and FO. The method further includes, for transmission of an uplink (UL) channel, adjusting a TA and pre-compensating a FO based on the UE-specific TA and FO, respectively.

    Centralized coordination for shared spectrum systems
    175.
    发明授权
    Centralized coordination for shared spectrum systems 有权

    公开(公告)号：US11863996B2

    公开(公告)日：2024-01-02

    申请号：US16807907

    申请日：2020-03-03

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Russell Ford ,  Jeongho Jeon ,  Joonyoung Cho ,  Vishnu Vardhan Ratnam ,  Matthew Tonnemacher

    IPC: H04W16/14 ,  H04W16/10 ,  H04W24/10

    CPC classification number: H04W16/14 ,  H04W16/10 ,  H04W24/10

    Abstract: An electronic device, a base station, and a method for managing a shared spectrum. The electronic device includes a processor configured to cause the electronic device to obtain coexistence measurement reports (CMRs) from the plurality of BSs; identify interference relationships among the plurality of BSs based on the CMRs; assign a set of BSs to one or more basic allocation units (BAUs) in a plurality of BAUs based on the interference relationships; and transmit a spectrum access grant (SAG) to the set of BSs, wherein the SAG includes BAU assignments for the set of BSs. Each BAU in the plurality of BAUs is a time/frequency unit and the set of BSs includes a primary BS and a secondary BS. The secondary BS can transmit in the one or more BAUs when a transmission of the secondary BS does not interfere with a transmission of the primary BS.

    Mechanisms for handling doppler effect
    176.
    发明授权
    Mechanisms for handling doppler effect 有权

    公开(公告)号：US11729733B2

    公开(公告)日：2023-08-15

    申请号：US17127689

    申请日：2020-12-18

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Shuang Tian ,  Qiaoyang Ye ,  Jeongho Jeon ,  Joonyoung Cho

    IPC: H04W56/00 ,  H04W36/00

    CPC classification number: H04W56/004 ,  H04W36/0055 ,  H04W56/0035

    Abstract: Doppler pre-compensation is performed on synchronization signals using each of multiple Doppler pre-compensation patterns to generate a plurality of sets of Doppler pre-compensated synchronization signals that are transmitted using one or more beams. A signal indicating the Doppler pre-compensation patterns used is transmitted in one of a system information block (SIB) or a radio resource control (RRC) reconfiguration message, in connection with initial access by a user equipment (UE), idle UE cell reselection, connected UE data channel reception, or UE handover. The signal indicates Doppler pre-compensation patterns for a transmitting cell and Doppler pre-compensation patterns for one or more neighbor cells. The synchronization signal comprises a synchronization signal block (SSB) including a primary synchronization signal (PSS) and a secondary synchronization signal (SSS). Received Doppler pre-compensated synchronization signals are combined in the time domain in connection with timing synchronization detection, frequency offset (FO) estimation, or reference signal received power (RSRP) measurement.

    Handling radio link failure in cellular mesh networks
    177.
    发明授权
    Handling radio link failure in cellular mesh networks 有权

    公开(公告)号：US11638319B2

    公开(公告)日：2023-04-25

    申请号：US16788011

    申请日：2020-02-11

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jeongho Jeon ,  Vishnu Vardhan Ratnam ,  Joonyoung Cho

    IPC: H04W76/19 ,  H04W40/02

    Abstract: Methods and apparatuses for handling radio link failure (RLF) in a wireless communication network. A method for operating a base station (BS) includes detecting occurrence of a RLF on a backhaul link with a parent BS of the BS and transmitting to a wireless communication device connected to the BS a first notification of the RLF indicating to hold data to be transmitted from the wireless communication device to the BS. The method further includes determining whether connection to a core network entity in the wireless communication network can be reestablished and transmitting to the wireless communication device a second notification based on the reestablishment determination.

    METHOD FOR SUPPORT OF ARTIFICIAL INTELLIGENCE OR MACHINE LEARNING TECHNIQUES FOR CHANNEL ESTIMATION AND MOBILITY ENHANCEMENTS
    179.
    发明申请
    METHOD FOR SUPPORT OF ARTIFICIAL INTELLIGENCE OR MACHINE LEARNING TECHNIQUES FOR CHANNEL ESTIMATION AND MOBILITY ENHANCEMENTS 有权

    公开(公告)号：US20220294666A1

    公开(公告)日：2022-09-15

    申请号：US17653442

    申请日：2022-03-03

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jeongho Jeon ,  Qiaoyang Ye ,  Joonyoung Cho

    IPC: H04L25/02 ,  H04W52/14

    Abstract: ML/AI configuration information for one of UL channel prediction, DL channel estimation, or cell selection/reselection includes: one or more of enabling/disabling an ML approach for the UL channel prediction, the DL channel estimation, or cell selection/reselection; one or more ML models to be used for the UL channel prediction, the DL channel estimation, or cell selection/reselection: trained model parameters for the one or more ML models for the UL channel prediction, the DL channel estimation, or cell selection/reselection; and/or whether ML model parameters for the UL channel prediction, the DL channel estimation, or cell selection/reselection received from the UE at the base station will be used. The ML/AI configuration information is transmitted from a BS to a UE, and the UE transmits UE assistance information for updating the one or more ML models for the UL channel prediction, the DL channel estimation or cell selection/reselection to the BS.

    SENSING IN WIRELESS COMMUNICATIONS SYSTEM
    180.
    发明申请
    SENSING IN WIRELESS COMMUNICATIONS SYSTEM 有权

    公开(公告)号：US20220256519A1

    公开(公告)日：2022-08-11

    申请号：US17644050

    申请日：2021-12-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jeongho Jeon ,  Ebrahim MolavianJazi ,  Joonyoung Cho

    IPC: H04W72/04 ,  G01S13/02

    Abstract: Resources are configured, by frame/subframe/slot/symbol, for uplink communication components, downlink communication components, radar sensing components, or flexible components. Flexible components are configured by symbol for uplink or downlink communications, radar sensing, or flexible usage. Full, partial or no overlap between resources for uplink, downlink or sidelink communication and resources for radar sensing may be configured. Frequency configuration for radar sensing may be in absolute units or grid units, and waveforms other than OFDM may be used for radar sensing. Configuration may be initiated by a base station in response to explicit or implicit request by a UE for sensing resources. A UE may sense resources within a configured resource pool for availability before using the resources for radar sensing.

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