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    Methods for transmitting uplink signal and downlink signal, UE and base station
    21.
    发明授权
    Methods for transmitting uplink signal and downlink signal, UE and base station 有权

    公开(公告)号：US10985825B2

    公开(公告)日：2021-04-20

    申请号：US15971679

    申请日：2018-05-04

    Applicant: Samsung Electronics Co., Ltd

    Inventor： Qi Xiong ,  Chen Qian ,  Bin Yu

    IPC: H04K1/10 ,  H04L27/28 ,  H04B7/06 ,  H04L1/16 ,  H04B7/08 ,  H04W72/04

    Abstract: Embodiments of the present disclosure provide methods for transmitting an uplink signal and a downlink signal. A method for transmitting an uplink signal comprises detecting whether there is a beam failure; if there is a beam failure, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information; and transmitting a beam failure recovery request message to a base station, the beam failure recovery request message being used for informing the base station of at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information. A method for transmitting a downlink signal comprises detecting a beam failure recovery request message, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information in the UE; and transmitting a feedback message corresponding to the beam failure recovery request message.

    Duplex communication method, base station and terminal
    22.
    发明授权
    Duplex communication method, base station and terminal 有权

    公开(公告)号：US10609687B2

    公开(公告)日：2020-03-31

    申请号：US16044992

    申请日：2018-07-25

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Bin Yu ,  Chen Qian ,  Chengjun Sun

    IPC: H04W4/00 ,  H04W72/04

    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). A bidirectional communication method and an apparatuses thereof are provided. An uplink control channel and a downlink control channel are respectively transmitted in a first subband and a third subband of an available un-paired spectrum, wherein control channels of reverse directions are transmitted at the same time in the first subband and the third subband, and uplink data and downlink data are transmitted in a time division multiplexing manner in a second subband of the available un-paired spectrum, wherein the first subband and the third subband are on the two ends of the available un-paired spectrum.

    Filtering-based signal transmission and receiving methods and corresponding transmitter and receiver
    23.
    发明授权
    Filtering-based signal transmission and receiving methods and corresponding transmitter and receiver 有权

    公开(公告)号：US10484216B2

    公开(公告)日：2019-11-19

    申请号：US15448043

    申请日：2017-03-02

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Chen Qian ,  Bin Yu ,  Yeohun Yun ,  Qi Xiong ,  Chengjun Sun

    IPC: H04L27/04 ,  H04L27/26 ,  H04B7/06

    Abstract: A filtering-based signal transmission method is provided. The method includes a transmitter performing carrier modulation on each signal from at least one sub-band, and adding a cyclic prefix and a cyclic postfix thereto, respectively, performing time-domain filtering on the signal, added with the cyclic prefix and the cyclic postfix, from the respective sub-band, and transmitting the filtered signal from the at least one sub-band. The present disclosure further provides a filtering-based signal receiving method. The filtering-based signal receiving method includes performing, by a receiver, time-domain matched filtering, corresponding to at least one sub-band, on each received signal, removing, by the receiver, a cyclic prefix and a cyclic postfix from the filtered signal from the at least one sub-band, and performing carrier demodulation, respectively, and detecting and estimating, by the receiver, the demodulated signal from the at least one sub-band.

    Apparatus and method for suppressing inter-cell interference in wireless communication system
    24.
    发明授权
    Apparatus and method for suppressing inter-cell interference in wireless communication system 有权

    公开(公告)号：US10396926B2

    公开(公告)日：2019-08-27

    申请号：US15681199

    申请日：2017-08-18

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Qi Xiong ,  Bin Yu ,  Chen Qian ,  Jingxing Fu

    IPC: H04L5/00 ,  H04B7/024 ,  H04B7/0417 ,  H04J11/00 ,  H04L25/02 ,  H04B7/0456

    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). The present disclosure provides a method and device for suppressing an inter-cell interference. The method includes receiving, from an adjacent BS, information associated with a first multiple access resource configured for a serving terminal of the adjacent BS and configuring a second multiple access resource for a serving terminal of the BS based on the information of the first multiple access resource. The method also includes transmitting, to the serving terminal of the BS, information associated with the second multiple access resource and receiving, from the serving terminal of the BS, data allocated based on the second multiple access resource, wherein the second multiple access resource is different from the first multiple access resource.

    METHOD AND APPARATUS FOR SIGNAL DETECTION IN A WIRELESS COMMUNICATION SYSTEM
    25.
    发明申请
    METHOD AND APPARATUS FOR SIGNAL DETECTION IN A WIRELESS COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20170310509A1

    公开(公告)日：2017-10-26

    申请号：US15488292

    申请日：2017-04-14

    Applicant: Samsung Electronics Co., Ltd

    Inventor： Chen Qian ,  Bin Yu ,  Chengjun Sun

    IPC: H04L25/03 ,  H04L25/02 ,  H04B17/336 ,  H04L27/26

    CPC classification number: H04L25/03012 ,  H04B17/336 ,  H04B17/345 ,  H04L25/0212 ,  H04L25/022 ,  H04L25/0224 ,  H04L25/03159 ,  H04L27/2605 ,  H04L27/265 ,  H04L27/2665 ,  H04L27/2678 ,  H04L27/2691 ,  H04L2025/03414

    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). A method for operating a receiving device in a wireless communication system comprises determining inter-symbol interference between symbols in a received signal, determining a location of a receive detection window according to the inter-symbol interference, and demodulating the received signal based on the location of the receive detection window. A receiving device includes at least one transceiver, and at least one processor configured to determine inter-symbol interference between symbols in a received signal, determine a location of a receive detection window according to the inter-symbol interference, and demodulate the received signal based on the location of the receive detection window. A transmitting device includes at least one processor configured to estimate an equivalent channel frequency response based on characteristic information of a time-domain filter, estimate an inter-symbol interference based on the equivalent channel frequency response, and generate indication information regarding an adjustment of a location of a receive detection window.

    Detecting method and transmitting method of physical downlink control channel, and corresponding equipments
    26.
    发明授权
    Detecting method and transmitting method of physical downlink control channel, and corresponding equipments 有权

    公开(公告)号：US12207265B2

    公开(公告)日：2025-01-21

    申请号：US17250935

    申请日：2019-09-30

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Peng Lin ,  Di Su ,  Bin Yu ,  Chen Qian ,  Chuang Zhang

    IPC: H04W72/23 ,  H04W72/0446

    Abstract: A method includes performing blind detection on a PDCCH in at least one subframe or slot to acquire first downlink control information and second downlink control information; and performing uplink data transmission and downlink data transmission with a base station according to the acquired first downlink control information and second downlink control information, wherein the first downlink control information is one of downlink control information for uplink scheduling grant and downlink control information for downlink scheduling, and the second downlink control information is the other one of the downlink control information for uplink scheduling grant and the downlink control information for downlink scheduling, and wherein a location where a PDCCH carrying the second downlink control information is detected is associated with related information of the first downlink control information, or the first downlink control information and the second downlink control information are carried on the same PDCCH.

    Method and device for uplink power control
    29.
    发明授权
    Method and device for uplink power control 有权

    公开(公告)号：US12010629B2

    公开(公告)日：2024-06-11

    申请号：US17988348

    申请日：2022-11-16

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jingxing Fu ,  Chen Qian ,  Yingjie Zhang ,  Bin Yu ,  Qi Xiong ,  Feifei Sun

    IPC: H04W52/14 ,  H04L5/00 ,  H04W52/36 ,  H04W72/23 ,  H04W80/08

    CPC classification number: H04W52/146 ,  H04L5/0092 ,  H04W52/36 ,  H04W72/23 ,  H04W80/08

    Abstract: The present 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). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method for uplink power control, which is applied to a User Equipment (UE), and the method includes: determining a timing between a power control command and a Physical Uplink Control Channel (PUCCH), which adopts the power control command to control power. The present disclosure also provides a corresponding device.

    Apparatus and a method for determining activation state of secondary cell and user equipment in wireless communication system
    30.
    发明授权
    Apparatus and a method for determining activation state of secondary cell and user equipment in wireless communication system 有权

    公开(公告)号：US11991636B2

    公开(公告)日：2024-05-21

    申请号：US17279454

    申请日：2019-09-27

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jingxing Fu ,  Bin Yu ,  Chen Qian ,  Feifei Sun

    IPC: H04W52/02 ,  H04W72/1273 ,  H04W72/23

    CPC classification number: H04W52/0235 ,  H04W52/0216 ,  H04W72/1273 ,  H04W72/23

    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). The embodiment of the application provides a method for determining the activation state of a secondary cell and a UE. The method is applied to the technical field of wireless communication and comprises the following steps: acquiring secondary cell activation state indicator information, and then determining respective corresponding states of at least one secondary cell configured or reconfigured by a UE based on the secondary cell activation state indicator information, wherein the states include: an activation state and an inactivation state. The embodiment of the application realizes the reduction of the time delay for the user equipment to receive or send data and the reduction of the time required for deactivating a secondary cell, thereby reducing the power consumption of the UE.

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