METHOD AND APPARATUS FOR HIGH RANK MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) SYMBOL DETECTION

    公开(公告)号:US20200177248A1

    公开(公告)日:2020-06-04

    申请号:US16273632

    申请日:2019-02-12

    Abstract: A method and an apparatus in a multiple-input multiple-output (MIMO) wireless communication system are provided. A signal is received over a channel. The channel is decomposed into a plurality of virtual channels. Symbol detection is performed on each of the plurality of virtual channels using respective symbol detectors. At least one of the symbol detectors has a lower rank than that of the channel. Output from the symbol detectors is combined to obtain final log likelihood ration (LLR) values for layers of the channel. Decoding is performed using the final LLR values to output a decoded symbol value of the received signal.

    ELECTRONIC DEVICE HAVING TOUCHSCREEN AND INPUT PROCESSING METHOD THEREOF

    公开(公告)号:US20200150833A1

    公开(公告)日:2020-05-14

    申请号:US16741212

    申请日:2020-01-13

    Abstract: A method and an apparatus are provided for performing a function corresponding to a recognized user input through a touch screen. The method includes displaying a window of an application; displaying a setting menu of the application; receiving a selection for at least one item in the setting menu; recognizing an input object that performed the selection; registering the input object as an object for executing a function corresponding to the at least one item selected by the input object; detecting an input by the input object in the application window; and executing the function in response to the input by the input object.

    SYSTEM AND METHOD FOR PROVIDING UNIVERSAL SYNCHRONIZATION SIGNALS FOR NEW RADIO

    公开(公告)号:US20180054788A1

    公开(公告)日:2018-02-22

    申请号:US15353274

    申请日:2016-11-16

    Abstract: A method and apparatus are provided. The method includes, but is not limited to, receiving a universal synchronization signal (USS) including a universal primary synchronization signal (UPSS) and a universal secondary synchronization signal (USSS), wherein the USS is coded using a mother code which is extended to m resource blocks (RBs) and n orthogonal frequency division multiplexing (OFDM) symbols and a code cover of m RBs and n symbols is applied to the mother code, determining a cell identity based on the USS, determining a frame timing based on the USS, and connecting a user equipment to a network using the cell identity and the frame timing.

    APPARATUS AND METHOD FOR SUPERPOSITION TRANSMISSIONS
    25.
    发明申请
    APPARATUS AND METHOD FOR SUPERPOSITION TRANSMISSIONS 审中-公开
    用于超导传输的装置和方法

    公开(公告)号:US20160366003A1

    公开(公告)日:2016-12-15

    申请号:US14997106

    申请日:2016-01-15

    Abstract: Apparatuses, systems, and methods are described concerning a new type of superposition multiplexing transmission constellation (super-constellation): the Gray-mapped Non-uniform-capable Constellation (GNC). Apparatuses, systems, and methods for generating GNC super-constellations are described, as well as apparatuses, systems, and methods for receiving, demapping, and decoding transmissions using GNC super-constellations. Apparatuses, systems, and methods for selecting a type of superposition multiplexing transmission constellation based on various conditions are also described.

    Abstract translation: 描述了关于新型叠加复用传输星座(超星座):灰色映射不均匀星座(GNC)的装置,系统和方法。 描述用于生成GNC超星座的装置,系统和方法,以及用于使用GNC超星座接收,解映射和解码传输的装置,系统和方法。 还描述了用于基于各种条件来选择叠加复用传输星座类型的装置,系统和方法。

    SYSTEMS, METHODS, AND APPARATUS FOR DETERMINING PRECODING INFORMATION FOR BEAMFORMING

    公开(公告)号:US20230231600A1

    公开(公告)日:2023-07-20

    申请号:US17852358

    申请日:2022-06-28

    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.

    DOPPLER SPREAD ESTIMATION BASED ON SUPERVISED LEARNING

    公开(公告)号:US20210314197A1

    公开(公告)日:2021-10-07

    申请号:US16912543

    申请日:2020-06-25

    Abstract: A radio receiver includes a channel estimator processing circuit including: a feature extractor configured to extract one or more features from a received signal, the features including a channel correlation estimated based on a reference signal in a current slot, the estimated channel correlation indicating a rate of change of a wireless channel over time; and a Doppler spread estimator configured to estimate a Doppler spread of the wireless channel by supplying the features to one or more Doppler shift predictors trained on training data across a training signal-to-noise ratio (SNR) range and across a training Doppler shift range, each Doppler shift predictor being trained on a portion of the training data corresponding to a different portion of the training data.

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