METHOD AND APPARATUS FOR WIRELESS COMMUNICATION USING BEAM-FORMING IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20240291622A1

    公开(公告)日:2024-08-29

    申请号:US18655836

    申请日:2024-05-06

    CPC classification number: H04L5/006 H04L5/0048 H04L5/0082

    Abstract: A method of operating a wireless communication device including a plurality of antennas according to an exemplary embodiment of the present disclosure includes determining an antenna subset including at least one of the plurality of antennas, transmitting a sounding reference signal (SRS) switching signal to a base station through at least one antenna of the antenna subset, receiving a channel state information-reference signal (CSI-RS) transmitted using a first beam from the base station, selecting a precoding matrix indicator (PMI) based on the CSI-RS, transmitting the selected PMI to the base station, and receiving a signal transmitted from the base station through a second beam determined based on the SRS switching signal and the PMI.

    Method and apparatus communication using beam-forming in wireless communication system

    公开(公告)号:US12010068B2

    公开(公告)日:2024-06-11

    申请号:US17643219

    申请日:2021-12-08

    CPC classification number: H04L5/006 H04L5/0048 H04L5/0082

    Abstract: A method of operating a wireless communication device including a plurality of antennas according to an exemplary embodiment of the present disclosure includes determining an antenna subset including at least one of the plurality of antennas, transmitting a sounding reference signal (SRS) switching signal to a base station through at least one antenna of the antenna subset, receiving a channel state information-reference signal (CSI-RS) transmitted using a first beam from the base station, selecting a precoding matrix indicator (PMI) based on the CSI-RS, transmitting the selected PMI to the base station, and receiving a signal transmitted from the base station through a second beam determined based on the SRS switching signal and the PMI.

    METHOD AND APPARATUS FOR WIRELESS COMMUNICATION USING BEAM-FORMING IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20220224461A1

    公开(公告)日:2022-07-14

    申请号:US17643219

    申请日:2021-12-08

    Abstract: A method of operating a wireless communication device including a plurality of antennas according to an exemplary embodiment of the present disclosure includes determining an antenna subset including at least one of the plurality of antennas, transmitting a sounding reference signal (SRS) switching signal to a base station through at least one antenna of the antenna subset, receiving a channel state information-reference signal (CSI-RS) transmitted using a first beam from the base station, selecting a precoding matrix indicator (PMI) based on the CSI-RS, transmitting the selected PMI to the base station, and receiving a signal transmitted from the base station through a second beam determined based on the SRS switching signal and the PMI.

    WIRELESS COMMUNICATION DEVICE AND OPERATING METHOD OF THE SAME

    公开(公告)号:US20230231749A1

    公开(公告)日:2023-07-20

    申请号:US18153109

    申请日:2023-01-11

    CPC classification number: H04L25/03993

    Abstract: A wireless communication device is provided. The wireless communication device includes: a communication circuit configured to transceive a signal using a plurality of antennas; a processor configured to: detect a first interference for N resource blocks (RB) of the signal; based on the first interference being detected, perform a first whitening validation on the first interference; detect a second interference based on a result of the first whitening validation; and based on the second interference being detected, perform a second whitening validation on the second interference; and a whitening filter circuit configured to perform whitening filtering on results of the first whitening validation and the second whitening validation.

    METHOD AND APPARATUS FOR TRANSMITTING CHANNEL STATE INFORMATION

    公开(公告)号:US20240129004A1

    公开(公告)日:2024-04-18

    申请号:US18482468

    申请日:2023-10-06

    CPC classification number: H04B7/046 H04B17/3913 H04L5/0048 H04L25/0254

    Abstract: An operating method of a wireless communication device includes receiving a reference signal from a base station, estimating a first channel between the wireless communication device and the base station based on the reference signal, extracting, based on a first artificial intelligence model trained to reduce a difference between the first channel estimated by the wireless communication device and a second channel estimated by the base station, a feature including grouped attributes from the first channel, quantizing the grouped attributes using a codebook that is based on a second artificial intelligence model and by generating one or more indices of the codebook for each group of the attributes, and transmitting, to the base station, a bitstream including combination information of the indices of the codebook.

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