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    CONTROL FOR MOBILITY CHANNEL PREDICTION
    21.
    发明申请
    CONTROL FOR MOBILITY CHANNEL PREDICTION 有权

    公开(公告)号：US20210219161A1

    公开(公告)日：2021-07-15

    申请号：US17129797

    申请日：2020-12-21

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Yeqing Hu ,  Yang Li ,  Tiexing Wang ,  Junmo Sung ,  Rui Wang ,  Jianzhong Zhang

    IPC: H04W24/10 ,  H04W24/08

    Abstract: A method for operating a base station comprises receiving channel information from a plurality of UEs; determining, based on the channel information, one or more UEs on which to base a channel prediction; computing a first set of metrics and a second set of metrics corresponding to the plurality of UEs, wherein computing the first set of metrics has a lower complexity than computing the second set of metrics; performing a selection process on the plurality of UEs based on the first and second set of metrics associated with the plurality of UEs; selecting a first subset of UEs from the plurality of UEs based on a first set of metrics; selecting, from the first subset, a second subset of UEs based on a second set of metrics; and performing the channel prediction based on the second subset of UEs.

    METHOD AND APPARATUS OF PARAMETER TRACKING FOR CSI ESTIMATION
    22.
    发明申请
    METHOD AND APPARATUS OF PARAMETER TRACKING FOR CSI ESTIMATION 有权

    公开(公告)号：US20210218601A1

    公开(公告)日：2021-07-15

    申请号：US17143130

    申请日：2021-01-06

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Rui Wang ,  Yang Li ,  Junmo Sung ,  Yeqing Hu ,  Jianzhong Zhang

    IPC: H04L25/02 ,  H04W24/08

    Abstract: Methods and apparatuses in a wireless communication system. A method of operating a base station (BS) includes receiving information of uplink transmissions; storing the received information; performing, based on the received information, channel parameter tracking operations to generate channel parameters, wherein the channel parameter tracking operations are configured with different configuration parameters; and performing, based on the channel parameters, a channel coefficient prediction operation to generate channel state information (CSI).

    FREQUENCY DIVISION DUPLEX CHANNEL STATE INFORMATION ACQUISITION BASED ON KRONECKER PRODUCT
    24.
    发明申请
    FREQUENCY DIVISION DUPLEX CHANNEL STATE INFORMATION ACQUISITION BASED ON KRONECKER PRODUCT 审中-公开

    公开(公告)号：US20200336187A1

    公开(公告)日：2020-10-22

    申请号：US16796688

    申请日：2020-02-20

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Yeqing Hu ,  Ahmed Atef Ibrahim ,  Jianzhong Zhang

    IPC: H04B7/06 ,  H04L5/00 ,  H04B7/0452 ,  H04B7/0456

    Abstract: A base station, method, and computer-readable storage medium for channel state information (CSI) acquisition. The base station includes a transceiver configured to transmit a first, unprecoded channel state information reference signal (CSI-RS) on a first antenna dimension; receive a first CSI report on the first antenna dimension; transmit a second, precoded CSI-RS on a second antenna dimension; and receive a second CSI report on the second antenna dimension. The first CSI report includes a precoding matrix index (PMI), a rank indicator (RI), and channel quality indicator (CQI) for the first antenna dimension; and the second CSI report comprises a PMI, a RI, and a CQI for the second antenna dimension. The base station also includes a processor operably connected to the transceiver, the processor configured to generate a downlink (DL) CSI for multi-user multi-input, multi-output (MU-MIMO) scheduling and precoding based on the first CSI report and the second CSI report.

    Precoding for advanced wireless communication systems
    25.
    发明授权
    Precoding for advanced wireless communication systems 有权

    公开(公告)号：US10511363B2

    公开(公告)日：2019-12-17

    申请号：US16256898

    申请日：2019-01-24

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Ahmed Ibrahim ,  Young-Han Nam ,  Yeqing Hu ,  Eun Yong Kim ,  Jianzhong Zhang

    IPC: H04B7/04 ,  H04B7/0456 ,  H04B7/06 ,  H04B17/309 ,  H04B7/0426

    Abstract: Base station (BS) capable of beamforming in a wireless communication includes a transceiver comprising an antenna array, the transceiver configured to measure SRS from a UE, using at least one portion of the antenna array, and a processor configured to select at least one UL beam vector based on an SRS measurement from a UL beam-codebook comprising a set of beam weight vectors, determine at least one DL beam weight vector corresponding to each of the selected at least one UL beam weight vector, transmit a beamformed CSI-RS by applying the at least one DL beam weight vector to the antenna array, receive a CSI feedback including a PMI from the UE, wherein the PMI is determined based on the beamformed CSI-RS, and construct a precoding channel matrix for the UE based on the PMI and the at least one DL beam weight vector.

    LOW COMPLEXITY ML AUGMENTED ROBUST CHANNEL ESTIMATION
    27.
    发明申请
    LOW COMPLEXITY ML AUGMENTED ROBUST CHANNEL ESTIMATION 有权

    公开(公告)号：US20250158850A1

    公开(公告)日：2025-05-15

    申请号：US18930930

    申请日：2024-10-29

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Samuel Albert ,  Thuy Van Nguyen ,  Yeqing Hu ,  Yang Li ,  Yan Xin ,  Jianzhong Zhang

    IPC: H04L25/02 ,  H04B17/336

    Abstract: A method includes acquiring, by a processor of an electronic device, information associated with channel and noise covariances. The method includes determining one or more time-domain rectangular filters based on the information associated with the channel and noise covariances. The method includes generating one or more convolutional kernels based on the one or more rectangular filters applied to the channel and noise covariances in a time-domain. The method includes generating a codebook based on the one or more convolutional kernels, the codebook comprising N codewords. Further, the method can include establishing a communication link to a gNB configured to: receive a reference signal from a user equipment; receive the codebook; calculate channel statistics using a low complexity algorithm; execute a decision tree classifier to select a codeword from the codebook stored in memory of the gNB; and apply the selected codeword as convolution kernel for channel estimation.

    METHOD AND APPARATUS FOR CALIBRATION IN DISTRIBUTED MIMO NETWORKS
    29.
    发明公开
    METHOD AND APPARATUS FOR CALIBRATION IN DISTRIBUTED MIMO NETWORKS 审中-公开

    公开(公告)号：US20240048191A1

    公开(公告)日：2024-02-08

    申请号：US18330316

    申请日：2023-06-06

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jianzhong Zhang ,  Yang Li ,  Gilwon Lee ,  Yeqing Hu ,  Shadi Abu-Surra ,  Md. Saifur Rahman

    IPC: H04B7/0417 ,  H04B7/0452

    CPC classification number: H04B7/0417 ,  H04B7/0452 ,  H04L5/0053

    Abstract: Calibration in distributed multiple input multiple output (MIMO) networks. A method performed by a first base station (BS) includes receiving a first uplink (UL) reference signal (RS) and determining, based on the first UL RS and a second UL RS, a first phase offset for transmission of a first downlink (DL) RS to a user equipment (UE). The second UL RS is associated with a second BS. The first phase offset of the first DL RS is relative to a second DL RS associated with the second BS. The method further includes transmitting the first DL RS with the first phase offset; receiving UE feedback associated with the first DL RS and the second DL RS; and determining, based on the first phase offset and the received feedback, for a DL data transmission to the UE, a second phase offset between transmissions of the first BS and the second BS.

    SELF-TUNING FIXED-POINT LEAST-SQUARES SOLVER
    30.
    发明公开
    SELF-TUNING FIXED-POINT LEAST-SQUARES SOLVER 审中-公开

    公开(公告)号：US20230412428A1

    公开(公告)日：2023-12-21

    申请号：US18310422

    申请日：2023-05-01

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Junmo Sung ,  Tiexing Wang ,  Yeqing Hu ,  Yang Li ,  Jianzhong Zhang

    IPC: H04L25/02

    CPC classification number: H04L25/024

    Abstract: A method and device for self-tuning scales of variables for processing in fixed-point hardware. The device includes a sequence of fixed-point arithmetic circuits configured to receive at least one input signal and output at least one output signal. The circuits are preconfigured with control scales associated with each of the input and output signals. A first circuit in the sequence is configured to receive a first input signal having a dynamic true scale that is different from the control scale associated with the first input signal. Each of the circuits is further configured to determine, for each of the output signals, an adaptive scale from the control scale associated with the output signal based on the true scale of the first input signal and the control scale associated with the first input signal, and generate, from the input signal, the output signal having the associated adaptive scale.

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