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31.发明申请公开(公告)号：US20180062715A1
公开(公告)日：2018-03-01
申请号：US15557948
申请日：2016-03-01
Inventor： Chuanjun LI , Xin SU
IPC: H04B7/04 , H01Q3/38 , H04B7/0417 , H04L5/00
CPC classification number: H04B7/0469 , H01Q3/00 , H01Q3/38 , H04B7/04 , H04B7/0413 , H04B7/0417 , H04B7/0632 , H04B7/0695 , H04L1/06 , H04L5/0023 , H04L5/0057
Abstract: The present disclosure provides a massive digital-analog hybrid antenna, a CSI feedback method and a CSI feedback device. The CSI feedback method includes: at an analog precoding matrix selection stage of an analog precoding period, transmitting, by a base station, a precoded downlink reference signal and receiving first-stage CSI and measurement information fed back by a UE on a subframe corresponding to each time offset; selecting, by the base station, a target analog precoding matrix in accordance with performance measurement values of analog precoding matrices corresponding to all P time offsets; and at a target analog precoding matrix using stage of the analog precoding period, transmitting, by the base station, the downlink reference signal precoded by the target analog precoding matrix and receive second-stage CSI fed back by the UE on each predetermined subframe.
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32.发明申请公开(公告)号：US20210083724A1
公开(公告)日：2021-03-18
申请号：US16960876
申请日：2018-12-17
Inventor： Xin SU , Qiubin GAO , Tamraka Rakesh , Runhua CHEN
Abstract: The present application discloses an information indicating and determining method and apparatus, and a computer storage medium, being used for indicating QCL group information of a DMRS port, enabling a terminal to determine the QCL group information of the DMRS port. The embodiments of the present application provide an information indicating method, comprising: determining QCL group information of a demodulation reference signal DMRS port; and notifying a terminal of the QCL group information.
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公开(公告)号：US20200288445A1
公开(公告)日：2020-09-10
申请号：US16759599
申请日：2018-09-05
Inventor： Xin SU , Runhua CHEN , Rakesh TAMRAKAR , Qiubin GAO
Abstract: A method for determining a bundling size, user equipment and a network-side device are provided The method includes: reporting, by user equipment, capability information to a network-side device, where the capability information is used to indicate whether the user equipment supports one-physical resource block bundling, and receiving a bundling size set configured by the network-side device for the user equipment according to the capability information, where supporting the one-physical resource block bundling indicates that a turn-off of a physical resource block bundling function is supported; and/or using, by the user equipment, a default bundling size or a bundling size configured via a higher-layer signaling to transmit data if the network-side device turns off a function of dynamic bundling size adjustment.
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公开(公告)号：US20200280420A1
公开(公告)日：2020-09-03
申请号：US16645524
申请日：2018-06-28
Inventor： Hui LI , Qiubin GAO , Tamrakar RAKESH , Runhua CHEN , Xin SU , Deshan MIAO , Qiuping HUANG , Mengjun WANG
IPC: H04L5/00
Abstract: Provided in the embodiments of the present application are a channel state indication (CSI) information reporting and receiving method and a communication device, which are used to provide for a terminal in an NR system a solution for mapping CSI information to an uplink channel and transmitting the same. The method comprises: a terminal receives an uplink channel resource configuration signaling and/or a demodulation reference signal (DMRS) configuration signaling sent by a base station, and determines a mapping symbol set, wherein the DMRS configuration signaling is used to indicate the number of DMRSes configured by a system for an uplink channel and the time-frequency location of an occupied OFDM symbol, the uplink channel resource configuration signaling represents the time-frequency resource of the uplink channel, and the mapping symbol set is a set of symbols adjacent to the OFDM symbol; and the terminal measures a downlink channel, calculates CSI information, encodes the CSI information, and maps an information part comprising rank indication (RI) information onto an RE of at least one orthogonal frequency-division multiplexing (OFDM) symbol in the mapping symbol set to carry out transmission.
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公开(公告)号：US20200213979A1
公开(公告)日：2020-07-02
申请号：US16622887
申请日：2018-05-30
Inventor： Runhua CHEN , Qiubln GAO , Rakesh TAMRAKAR , Hui LI , Qiupirtg HUANG , Xin SU
IPC: H04W72/04
Abstract: Embodiments of the present disclosure provide a data transmission method, a data transmission device, a network side device and UE. The data transmission method is applied to a first device and includes: transmitting Uplink (UL) Sounding Reference Signal (SRS) resource configuration information to a second device, where the SRS resource configuration information indicates K SRS resources; receiving an SRS signal transmitted from the second device according to the SRS resource configuration information; determining an SRS Resource Indicator (SRI), where the SRI indicates L SRS resources in the K SRS resources, L is an integer that is larger than or equals 1 and L is less than or equals K; and transmitting the SRI to the second device.
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Patent Agency Ranking
公开(公告)号：US20180367225A1
公开(公告)日：2018-12-20
申请号：US16060263
申请日：2016-11-22
Inventor： Chuanjun LI , Xin SU , Yuexia SONG , Shouning JIANG
Abstract: Disclosed are an active antenna device and a test method therefor, for resolving the problem that existing large-scale active antennae cannot be tested by using a traditional test method due to no traditional antenna connectors. The active antenna device comprises: a transceiver array, a radio frequency calibration and test distribution network unit, an antenna passive distribution network unit, an antenna array, and S test connectors, wherein the radio frequency calibration and test distribution network unit is connected to the transceiver array through N data channels and M calibration channels respectively and is connected to the test connectors, and the antenna passive distribution network unit is connected to the radio frequency calibration and test distribution network unit through N data channels and is connected to the antenna array through P data channels, N being a positive integer greater than or equal to 1, M being a positive integer greater than or equal to 1, P being a positive integer greater than or equal to 1, and S being a positive integer greater than or equal to 1.
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公开(公告)号：US20180062722A1
公开(公告)日：2018-03-01
申请号：US15556287
申请日：2016-01-22
Inventor： Xin SU , Chuanjun LI
CPC classification number: H04B7/0617 , H04B7/06 , H04B7/0626 , H04B7/0634 , H04W72/046 , H04W72/08
Abstract: The present disclosure provides a hybrid beamforming transmission method and a network device. The hybrid beamforming transmission method includes steps of: determining, by a network device, a digital-domain beamforming weight matrix for a first UE in accordance with a channel measurement result; determining, by the network device, a set of beamforming weight matrices in accordance with the digital-domain beamforming weight matrix, and transmitting a signal to the first UE in an analog beamforming manner; selecting, by the network device, a beamforming weight matrix from the set of beamforming weight matrices in accordance with a measurement result from the first UE, as an analog-domain beamforming weight matrix for the first UE; and performing, by the network device, hybrid beamforming transmission in accordance with the determined digital-domain beamforming weight matrix and the selected analog-domain beamforming weight matrix.
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公开(公告)号：US20180006784A1
公开(公告)日：2018-01-04
申请号：US15547475
申请日：2016-01-13
Inventor： Xin SU
CPC classification number: H04L5/0048 , H04B7/0617 , H04B7/0695 , H04B7/26 , H04L1/00
Abstract: The present disclosure provides methods and devices for transmitting and receiving a pilot signal, so as to reduce the number of antenna ports for transmitting the pilot signal and reduce pilot resource consumption. The method for transmitting the pilot signal includes: generating, by a base station, a pilot signal formed by a wide beam and a pilot signal formed by a plurality of narrow beams; and transmitting, by the base station, the pilot signals to a UE through at least one pre-configured first antenna port and at least one pre-configured second antenna port, the pilot signal formed by the wide beam being transmitted through the first antenna port, and the pilot signal formed by the plurality of narrow beams being transmitted through the second antenna port.
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39.发明申请公开(公告)号：US20170033856A1
公开(公告)日：2017-02-02
申请号：US15303657
申请日：2015-04-22
Inventor： Xin SU , Chuanjun LI
CPC classification number: H04B7/0626 , H04B7/04 , H04B7/0413 , H04B7/0452 , H04B7/0617 , H04B7/12 , H04L5/0048 , H04W16/28 , H04W24/08 , H04W88/02
Abstract: The present disclosure relates to the field of wireless communication technology, in particular to a method, system and device for measuring CSI, so as to solve the problem in the related art where, on the premise that a Massive MIMO technology plays to its strengths, a CSI measurement and feedback mechanism on the basis of a downlink reference signal may lead to obvious time-frequency resource overhead. The method includes steps of: transmitting, by a network side device, a group of reference signals which have been beamformed to a User Equipment (UE), so as to enable the UE to measure the reference signals, each reference signal in the group of reference signals corresponding to a space in a sector; and determining, by the network side device, whether or not a beamforming mode for each reference signal is to be adjusted in accordance with feedback information from the UE. According to the present disclosure, it is able to, on the premise that the Massive MIMO technology plays to its strengths, reduce the time-frequency resource overhead caused by the measurement and feedback of the downlink reference signals.
Abstract translation: 本公开涉及无线通信技术领域，特别涉及用于测量CSI的方法，系统和设备，以解决相关技术中的问题，其中在大规模MIMO技术发挥其优势的前提下， 基于下行链路参考信号的CSI测量和反馈机制可能导致明显的时间 - 频率资源开销。 该方法包括以下步骤：由网络侧设备将已经被波束成形的一组参考信号发送到用户设备（UE），以便UE能够测量参考信号，组中的每个参考信号 对应于扇区中的空间的参考信号; 以及由所述网络侧设备确定是否根据来自所述UE的反馈信息调整每个参考信号的波束成形模式。 根据本公开，在大容量MIMO技术发挥其优势的前提下，能够减少由下行链路参考信号的测量和反馈引起的时间 - 频率资源开销。
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40.发明申请METHOD AND DEVICE FOR THREE-DIMENSIONAL CHANNEL MEASUREMENT RESOURCE CONFIGURATION AND QUALITY MEASUREMENT 有权用于三维通道测量资源配置和质量测量的方法和设备公开(公告)号：US20150350942A1
公开(公告)日：2015-12-03
申请号：US14761303
申请日：2014-01-21
Inventor： Ruiping Wei , Meifang JING , Xin SU
IPC: H04W24/08 , H04W72/04 , H04W72/08 , H04B7/04 , H04B17/373
CPC classification number: H04W24/08 , H04B7/0456 , H04B17/373 , H04W72/00 , H04W72/044 , H04W72/08
Abstract: Provided are a method and device for three-dimensional channel measurement resource configuration and quality measurement, which relate to the field of wireless communications and are used for solving the problem of how to perform three-dimensional channel quality measurement. In the present invention, a base station selects a channel quality measurement resource used for three-dimensional channel measurement from channel quality measurement resources preconfigured for a terminal, and sends indication information about the selected channel quality measurement resource to the terminal; the terminal receives the indication information, and performs three-dimensional channel quality measurement on corresponding channel quality measurement resources, thereby solving the problem of how to perform three-dimensional channel quality measurement.
Abstract translation: 提供了一种与无线通信领域相关的三维信道测量资源配置和质量测量的方法和装置，并且用于解决如何执行三维信道质量测量的问题。 在本发明中，基站从为终端预配置的信道质量测量资源中选择用于三维信道测量的信道质量测量资源，并向终端发送关于所选择的信道质量测量资源的指示信息; 终端接收指示信息，对相应的信道质量测量资源进行三维信道质量测量，从而解决如何进行三维信道质量测量的问题。
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