知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

10 records (took 0.016 seconds)

    COMPRESSION OF POWER DELAY PROFILE
    3.
    发明申请
    COMPRESSION OF POWER DELAY PROFILE 有权

    公开(公告)号：US20230134840A1

    公开(公告)日：2023-05-04

    申请号：US17842694

    申请日：2022-06-16

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Ramin SOLTANI ,  Hyukjoon KWON ,  Federico PENNA ,  Jungmin PARK

    IPC: H04B17/364 ,  H04L5/00 ,  H04W72/04

    Abstract: A system and method for storing a power delay profile in compressed form. In some embodiments, the method includes: identifying, in a power delay profile including a first group of taps, a first arrival tap corresponding to a first arrival path; identifying a first subset of taps, the first subset being a subset of the first group and including the first arrival tap; identifying a second subset of taps, the second subset being a subset of the first group and being disjoint from the first subset; and storing, in a memory, the union of the first subset and a proper subset of the second subset.

    DATA-AIDED CHANNEL TRACKING FOR OFDM SYSTEMS
    5.
    发明公开
    DATA-AIDED CHANNEL TRACKING FOR OFDM SYSTEMS 审中-公开

    公开(公告)号：US20240267262A1

    公开(公告)日：2024-08-08

    申请号：US18141178

    申请日：2023-04-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Federico PENNA ,  Hongbing CHENG

    IPC: H04L25/02

    CPC classification number: H04L25/0236 ,  H04L25/0214 ,  H04L25/0222

    Abstract: A system and a method are disclosed for performing data-aided channel tracking for a subcarrier, including obtaining a reference channel estimate (CE) at a first time instance using a reference signal; determining, based on the obtained reference CE and based on received data symbols, a data-aided CE at a second time instance that is subsequent to the first time instance; and sequentially determining one or more additional data-aided CEs, for one or more time instances subsequent to the second time instance, based on a data-aided CE obtained at a previous time instance and based on the received data symbols.

    ITERATIVE CHANNEL ESTIMATION FOR NEW RADIO (NR)
    6.
    发明公开
    ITERATIVE CHANNEL ESTIMATION FOR NEW RADIO (NR) 审中-公开

    公开(公告)号：US20240259236A1

    公开(公告)日：2024-08-01

    申请号：US18136863

    申请日：2023-04-19

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Federico PENNA ,  Sili LU ,  Yuansheng CHENG ,  Jang Wook MOON ,  Jung Hyun BAE ,  Dongwoon BAI

    IPC: H04L25/02 ,  H04L27/26

    CPC classification number: H04L25/024 ,  H04L27/2601

    Abstract: A method and system include a symbol processing block to generate log likelihood ratios (LLRs) associated with one or more data symbols. The method and system include a channel estimation (CE) module to receive the LLRs from the symbol processing block, and to process iterative CE (ItCE) for new radio (NR) based at least on reference signals and the LLRs. The CE module can process the ItCE with a granularity of one or more resource blocks (RBs) based at least on pilot resource elements (REs) and virtual pilot REs obtained from the LLRs. The CE module can process the ItCE based at least on a frequency domain orthogonal cover codes (FD-OCC) structure of the reference signals. The reference signals can be demodulation reference signals (DMRS) configured in 5G NR. The CE module can process the ItCE by updating a CE result by adding a quantity that represents a contribution obtained from virtual pilot REs.

    METHOD AND DEVICE FOR LEARNING-BASED CHANNEL ESTIMATION WITH DATA PRE-PROCESSING
    7.
    发明申请
    METHOD AND DEVICE FOR LEARNING-BASED CHANNEL ESTIMATION WITH DATA PRE-PROCESSING 有权

    公开(公告)号：US20240414030A1

    公开(公告)日：2024-12-12

    申请号：US18465517

    申请日：2023-09-12

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Federico PENNA ,  Hyuk Joon KWON

    IPC: H04L25/02

    Abstract: Methods and apparatuses are provided in which frequency domain (FD) interpolation is performed on wideband reference signal (RS) resource elements (REs) to generate channel estimates on corresponding RS symbols. Denoising may be performed on the channel estimates in a time domain (TD) or a delay-Doppler domain (DD). Learning-based channel estimation (LCE) is applied on the channel estimates using a neural network (NN) to generate refined channel estimates on the corresponding RS symbols. Time domain (TD) interpolation is performed on the refined channel estimates to produce a channel estimate across symbols.

    SYSTEMS, METHODS, AND APPARATUS FOR DETERMINING PRECODING INFORMATION FOR BEAMFORMING
    9.
    发明公开
    SYSTEMS, METHODS, AND APPARATUS FOR DETERMINING PRECODING INFORMATION FOR BEAMFORMING 审中-公开

    公开(公告)号：US20230231600A1

    公开(公告)日：2023-07-20

    申请号：US17852358

    申请日：2022-06-28

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Qi ZHAN ,  Jung Hyun BAE ,  Federico PENNA ,  Hyukjoon KWON ,  Dongwoon BAI

    IPC: H04B7/0456 ,  H04B7/06

    CPC classification number: H04B7/0456 ,  H04B7/0617

    Abstract: A method may include determining, for a channel, a target component of precoding information, determining at least a part of the precoding information based on the target component and a decompressed component of the precoding information, and sending, from a user equipment, the at least a part of the precoding information. Determining the at least a part of the precoding information may be based on a correlation between the target component and the decompressed component. The at least a part of the precoding information may include a vector of coefficients. The vector of coefficients may include a vector of complex numbers. At least one of the complex numbers may include an amplitude representing a scaling coefficient and a phase representing a rotation coefficient. The target component may include a target matrix. The decompressed component may include a decompressed matrix. The target matrix may include a linear combination coefficients matrix. The precoding information may include a precoding matrix indicator.

Patent Agency Ranking