MIMO TRANSMISSION APPARATUS AND OPERATING METHOD THEREOF

    公开(公告)号:US20230155645A1

    公开(公告)日:2023-05-18

    申请号:US17978559

    申请日:2022-11-01

    CPC classification number: H04B7/0456 H04B7/0617 H04B7/0634

    Abstract: An operating method of a wireless communication device includes calculating an effective channel matrix between the wireless communication device and a base station based on transmission characteristic information and channel information, the transmission characteristic information corresponding to the wireless communication device, and the channel information corresponding to a channel between the wireless communication device and the base station, determining a precoding matrix based on the effective channel matrix, and determining a transmission beamforming vector based on the precoding matrix.

    WIRELESS COMMUNICATION DEVICE FOR CORRECTING NONLINEARITY OF TRANSMITTER AND OPERATING METHOD THEREOF

    公开(公告)号:US20250119337A1

    公开(公告)日:2025-04-10

    申请号:US18905434

    申请日:2024-10-03

    Abstract: An operating method of a wireless communication device, the method including generating an IQ compensation value by performing IQ mismatch compensation on a first input signal using a linearity calibration model, the linearity calibration model being based on a neural network, generating a pre-distortion value by performing pre-distortion on the first input signal using the linearity calibration model, generating a first calibration signal based on the IQ compensation value and the pre-distortion value, generating a calibrated first output signal by amplifying the first calibration signal based on an amplification coefficient, and training the linearity calibration model based on the first input signal and the calibrated first output signal.

    DEVICE FOR SHARING COMPUTING RESOURCES IN WIRELESS COMMUNICATION SYSTEM AND OPERATING METHOD THEREOF

    公开(公告)号:US20240430746A1

    公开(公告)日:2024-12-26

    申请号:US18749267

    申请日:2024-06-20

    Abstract: A user equipment includes: a communication circuit configured to perform a communication connection with an external electronic device; at least one processor; and a memory configured to store instructions executed during operations of the at least one processor, wherein the at least one processor is configured to: control the communication circuit to transmit, to the external electronic device, device information related to a first target task of the user equipment; and in response to receiving, from the external electronic device, first result data generated by using computing resources of the external electronic device, perform the first target task, based on the first result data, and wherein the first result data is generated based on the device information allocated to the computing resources of the external electronic device.

    CONTROL SIGNAL RECEIVING DEVICE AND ITS OPERATION METHOD

    公开(公告)号:US20240397448A1

    公开(公告)日:2024-11-28

    申请号:US18648819

    申请日:2024-04-29

    Abstract: An operation method of a wireless communication device includes receiving a control signal, measuring a power amount of each respective resource element group (REG) among a plurality of REGs to obtain a plurality of power amounts, the plurality of REGs being included in the control signal, comparing a first power amount with threshold power value, the first power amount being a largest power amount among the plurality of power amounts, and decoding the control signal in response to determining the first power amount is greater than the threshold power value.

    WIRELESS COMMUNICATION DEVICE WHICH ADJUSTS ENVELOPE DELAY AMOUNT

    公开(公告)号:US20240396652A1

    公开(公告)日:2024-11-28

    申请号:US18657270

    申请日:2024-05-07

    Abstract: A wireless communication device includes: a transmission path circuit configured to generate a radio frequency (RF) output signal, based on a transmission signal and a supply voltage tracking an envelope signal; a feedback path circuit configured to be connected to the transmission path circuit so as to receive the RF output signal as a feedback signal, when switching from normal mode to calibration mode; a time domain-based measurement circuit configured to generate, in the calibration mode, an adjacent channel leakage ratio for a reception signal based on a time domain; and at least one processor configured to adjust, in the calibration mode, an envelope delay amount for the envelope signal, based on the adjacent channel leakage ratio.

    WIRELESS COMMUNICATION DEVICE INCLUDING ANTENNA MODULES AND OPERATING METHOD OF WIRELESS COMMUNICATION DEVICE

    公开(公告)号:US20240048210A1

    公开(公告)日:2024-02-08

    申请号:US18489360

    申请日:2023-10-18

    CPC classification number: H04B7/0639 H04B17/309 H04B7/0608

    Abstract: A wireless communication device includes a plurality of antenna modules at different positions, a first radio frequency (RF) integrated circuit, and processing circuitry configured to select one antenna module from among the plurality of antenna modules to obtain a selected antenna module, perform communication using the selected antenna module and the first RF integrated circuit, monitor signal quality through at least one of the plurality of antenna modules to obtain a monitoring result, and control switching from the selected antenna module to another antenna module among the plurality of antenna modules based on the monitoring result, the switching including selectively switching a connection of the first RF integrated circuit from the selected antenna module to the other antenna module.

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