APPARATUS AND METHOD FOR ERROR CORRECTION IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20220399944A1

    公开(公告)日:2022-12-15

    申请号:US17890091

    申请日:2022-08-17

    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An electronic device, in a wireless communication system, may include: a processor, an antenna array, a plurality of first radio frequency (RF) paths related to a first stream, the first RF paths each including a transmit (TX) path and a receive (RX) path, and a plurality of second RF paths related to a second stream, the second RF paths each including a TX path and an RX path, and the processor may be configured to: generate a calibration signal for the antenna array, obtain characteristic information of the antenna array based on a phase difference or a gain difference between one TX path having the first stream and one RX path having the second stream obtained for each of measurement RF paths among the plurality of the first RF paths, and calibrate the plurality of the first RF paths based on the characteristic information.

    SEMICONDUCTOR PACKAGE
    3.
    发明申请
    SEMICONDUCTOR PACKAGE 有权
    半导体封装

    公开(公告)号:US20160172291A1

    公开(公告)日:2016-06-16

    申请号:US14957053

    申请日:2015-12-02

    Abstract: A semiconductor package may include a package substrate with a top surface and a bottom surface opposite to the top surface, the top surface of the package substrate configured to have a semiconductor chip mounted thereon, a power block and a ground block in the package substrate, the power block configured as a power pathway penetrating the package substrate, and the ground block configured as a ground pathway penetrating the package substrate, first vias extended from the power block and the ground block, and the first vias electrically connected to the semiconductor chip, second vias extended from the power block and the ground block toward the bottom surface of the package substrate, and block vias to penetrate the power block and the ground block, the block vias electrically connected to the semiconductor chip and electrically separated from the power block and the ground block.

    Abstract translation: 半导体封装可以包括具有顶表面和与顶表面相对的底表面的封装衬底,封装衬底的顶表面被配置为具有安装在其上的半导体芯片,封装衬底中的功率块和接地块, 所述功率块被配置为穿过所述封装衬底的电力通路,并且所述接地块被配置为穿过所述封装衬底的接地路径,从所述功率块和所述接地块延伸的第一通孔以及电连接到所述半导体芯片的所述第一通孔, 第二通孔从功率块和接地块延伸到封装衬底的底表面,并且阻挡通孔以穿透功率块和接地块,块通孔电连接到半导体芯片并与功率块电分离, 地块。

    ELECTRONIC DEVICE INCLUDING TRANSCEIVER FOR CALIBRATING I/Q IMBALANCE IN MILLIMETER WAVE COMMUNICATION SYSTEM AND METHOD OF OPERATING SAME

    公开(公告)号:US20210021353A1

    公开(公告)日:2021-01-21

    申请号:US16933190

    申请日:2020-07-20

    Abstract: The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). A method of operating an electronic device in a wireless communication system is provided. The method includes inputting training signals into a first loopback route and a second loopback route, determining a loopback gain and a loopback phase, based on a first training signal passing through the first loopback route and a second training signal passing through the second loopback route, determining a frequency domain compensation filter, based on the loopback gain and the loopback phase, determining an FIR filter and a DC offset, based on the frequency domain compensation filter, and compensating for a transmission signal and a reception signal, based on the FIR filter and the DC offset.

    METHOD AND APPARATUS FOR CALIBRATING MISMATCHING BETWEEN IN-PHASE COMPONENT AND QUADRATURE COMPONENT IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20190386869A1

    公开(公告)日:2019-12-19

    申请号:US16445774

    申请日:2019-06-19

    Abstract: Method of operating electronic device including transmitter and receiver in wireless communication system and the electronic device are provided. The method includes acquiring signal passing through intermediate path between transmitter and receiver; estimating phase change in intermediate path, based on the signal and a reception signal predicted by a modeled system; and determining in-phase/quadrature (I/Q) mismatch parameters indicating a mismatch of I components and Q components of the transmitter and the receiver from the phase change. The electronic device includes a transmitter; a receiver; and at least one processor, configured to acquire a signal passing through an intermediate path between the transmitter and the receiver, estimate a phase change in the intermediate path, based on the signal and a reception signal predicted by a modeled system, and determine I/Q mismatch parameters indicating a mismatch of I components and Q components of the transmitter and the receiver from the phase change.

    BEAM COMPENSATION METHOD AND BASE STATION IN A WIRELESS COMMUNICATION SYSTEM
    6.
    发明申请
    BEAM COMPENSATION METHOD AND BASE STATION IN A WIRELESS COMMUNICATION SYSTEM 审中-公开
    无线通信系统中的波束补偿方法和基站

    公开(公告)号:US20130183907A1

    公开(公告)日:2013-07-18

    申请号:US13740566

    申请日:2013-01-14

    CPC classification number: H04W24/02 H04W16/28

    Abstract: A beam compensation method and a base station are provided for improving system throughput of a wireless communication system. The beam compensation method includes monitoring feedback signals of a plurality of radio paths; detecting an abnormally operating radio path, based on the monitoring; retrieving beam compensation values corresponding to the abnormally operating radio path; and compensating signals on normally operating radio paths with the retrieved beam compensation values.

    Abstract translation: 提供了一种波束补偿方法和基站,用于提高无线通信系统的系统吞吐量。 波束补偿方法包括监视多个无线电路径的反馈信号; 基于监测检测异常操作的无线电路径; 检索对应于异常操作的无线电路径的波束补偿值; 并用所检索的光束补偿值补偿正常工作的无线电路径上的信号。

    DEVICE AND METHOD FOR RECOVERING THERMAL ENERGY IN ROOM

    公开(公告)号:US20230151996A1

    公开(公告)日:2023-05-18

    申请号:US17989364

    申请日:2022-11-17

    CPC classification number: F24F11/81 F24F12/006 F24F11/523 F24F2110/10

    Abstract: Provided are an air conditioning device and method. The air conditioning control device includes a ventilation fan, a memory storing at least one instruction, and at least one processor connected to the memory, in which the at least one processor is configured to, by executing the at least one instruction, determine, among a plurality of rooms, a first room from which thermal energy is to be recovered and a second room to which the thermal energy to be recovered is to be supplied, based on at least one of a sensor value of a sensor in a room among the plurality of rooms, a use schedule of at least one room among the plurality of rooms, and a user input, and drive the ventilation fan to exchange thermal energy of the first room and thermal energy of the second room.

    RF SIGNAL TRANSMISSION APPARATUS AND CONTROL METHOD THEREFOR

    公开(公告)号:US20210050874A1

    公开(公告)日:2021-02-18

    申请号:US16965499

    申请日:2019-01-10

    Abstract: Provided are a radio frequency (RF) signal transmission apparatus and a control method of the RF signal transmission apparatus, in which a local oscillator (LO) leakage signal may be suppressed. The RF signal transmission apparatus may perform beamforming to form a beam based on a plurality of RF signals generated in a plurality of transmission chains, measure magnitude of an LO leakage signal of the beam formed by performing beamforming, and generate an LO leakage suppression signal based on the magnitude of the LO leakage signal.

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