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Patent Agency Ranking
公开(公告)号：US10911111B2
公开(公告)日：2021-02-02
申请号：US16594918
申请日：2019-10-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yeqing Hu , Ahmed Ibrahim , Young-Han Nam , Jianzhong Zhang , Eun Yong Kim
IPC: H04L1/02 , H04B7/0456 , H04B7/0417 , H04B7/0452
Abstract: A method of a base station (BS) in a wireless communication system is provided, The method comprises: receiving, from a user equipment (UE), a 1st layer sounding reference signal (SRS); arranging the 1st layer SRS based on two antenna polarizations of an antenna system of the BS; identifying a dominant direction of a channel based on the 1st layer SRS; identifying a coefficient between two antenna polarizations based on the 1st layer SRS; constructing a 2-layer channel matrix based on the identified dominant direction and the identified coefficient; and transmitting, to the UE, a downlink signal via the antenna system based on the constructed 2-layer channel matrix.
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公开(公告)号：US20190341978A1
公开(公告)日：2019-11-07
申请号：US16256898
申请日：2019-01-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ahmed Ibrahim , Young-Han Nam , Yeqing Hu , Eun Yong Kim , Jianzhong Zhang
IPC: H04B7/0456 , H04B7/06 , H04B17/309
Abstract: Base station (BS) capable of beamforming in a wireless communication includes a transceiver comprising an antenna array, the transceiver configured to measure SRS from a UE, using at least one portion of the antenna array, and a processor configured to select at least one UL beam vector based on an SRS measurement from a UL beam-codebook comprising a set of beam weight vectors, determine at least one DL beam weight vector corresponding to each of the selected at least one UL beam weight vector, transmit a beamformed CSI-RS by applying the at least one DL beam weight vector to the antenna array, receive a CSI feedback including a PMI from the UE, wherein the PMI is determined based on the beamformed CSI-RS, and construct a precoding channel matrix for the UE based on the PMI and the at least one DL beam weight vector.
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公开(公告)号：US09467270B2
公开(公告)日：2016-10-11
申请号：US14275198
申请日：2014-05-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Eun Seok Ko , Eun Yong Kim
CPC classification number: H04L5/0073 , H04B7/022 , H04B7/024 , H04B7/0408 , H04B7/0413 , H04L5/0032 , H04L5/0053
Abstract: Methods, an apparatus, and a network manager for cooperative communication are provided. A method of communication by a serving base station performing a cooperative communication with a plurality of base stations includes selecting serving channel code information based on Channel Status Information (CSI) of the serving base station, receiving cooperating channel code information based on CSI of a cooperating base station from the cooperating base station performing the cooperative communication with the serving base station, determining a compensation parameter based on the serving channel code information and the cooperating channel code information, and determining a beamforming vector of the serving base station based on the compensation parameter.
Abstract translation: 提供了用于协作通信的方法，装置和网络管理器。 执行与多个基站的协作通信的服务基站的通信方法包括基于服务基站的信道状态信息（CSI）来选择服务信道码信息，基于协作的CSI的CSI来接收协作信道码信息 基站，与协作基站进行与服务基站的协作通信，基于服务信道码信息和协作信道码信息确定补偿参数，基于补偿参数确定服务基站的波束形成向量 。
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公开(公告)号：US11160000B2
公开(公告)日：2021-10-26
申请号：US16488414
申请日：2018-02-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Eun Yong Kim , Namryul Jeon
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 device for performing load balancing in a wireless communication system, according to various embodiments of the disclosure, comprises a communication unit and at least one processor operably coupled with the communication unit, wherein the at least one processor is configured so as to transmit a control signal for changing a serving cell of a first terminal from a first cell to a second cell on the basis of first measurement information of the first terminal serviced by the first cell and second measurement information of a second terminal serviced by the second cell, and each piece of information may include a beam and receiving strength for a serving cell and a neighboring cell.
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公开(公告)号：US10511363B2
公开(公告)日：2019-12-17
申请号：US16256898
申请日：2019-01-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ahmed Ibrahim , Young-Han Nam , Yeqing Hu , Eun Yong Kim , Jianzhong Zhang
IPC: H04B7/04 , H04B7/0456 , H04B7/06 , H04B17/309 , H04B7/0426
Abstract: Base station (BS) capable of beamforming in a wireless communication includes a transceiver comprising an antenna array, the transceiver configured to measure SRS from a UE, using at least one portion of the antenna array, and a processor configured to select at least one UL beam vector based on an SRS measurement from a UL beam-codebook comprising a set of beam weight vectors, determine at least one DL beam weight vector corresponding to each of the selected at least one UL beam weight vector, transmit a beamformed CSI-RS by applying the at least one DL beam weight vector to the antenna array, receive a CSI feedback including a PMI from the UE, wherein the PMI is determined based on the beamformed CSI-RS, and construct a precoding channel matrix for the UE based on the PMI and the at least one DL beam weight vector.
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