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21.发明授权公开(公告)号：US10938610B2
公开(公告)日：2021-03-02
申请号：US16331934
申请日：2017-07-24
Inventor： Hui Li , Qiubin Gao , Xin Su , Runhua Chen , Rakesh Tamrakar , Qiuping Huang , Chuanjun Li , Mengjun Wang
Abstract: A method for transmitting a phase noise compensation reference signal, a transmission device and a reception device are provided. The method includes: determining one or more configurations from N configurations for a transmission resource of the phase noise compensation reference signal; and transmitting the phase noise compensation reference signal according to the one or more configurations. The N configurations have different time-domain densities or different frequency-domain densities, or a plurality of configurations of the N configurations has a same time-domain density and a same frequency-domain density, where N is an integer greater than or equal to 2.
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公开(公告)号：US10911112B2
公开(公告)日：2021-02-02
申请号：US16335660
申请日：2017-09-12
Inventor： Runhua Chen , Qiuping Huang , Qiubin Gao , Rakesh Tamrakar
IPC: H04W72/04 , H04B7/0456 , H04B7/0417 , H04B7/06 , H04L27/26
Abstract: A signal transmission method and device are provided. The method includes: determining a codebook C being a set of matrices W; determining a matrix set Ω={W}∈C from the codebook C; generating one or more layers of signals, beamforming the signals with matrixes in the matrix set Ω, and cyclically mapping the matrixes in the matrix set Ω to different locations of transmission resources; and transmitting the beamformed signals at the different locations of the transmission resources.
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公开(公告)号：US09426799B2
公开(公告)日：2016-08-23
申请号：US14383319
申请日：2013-03-07
Inventor： Rakesh Tamrakar , Xueming Pan , Rui Zhao , Ranran Zhang
CPC classification number: H04W72/042 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04L5/0094
Abstract: The present disclosure provides a method and an apparatus for determining number of ePDCCH resource units. The method includes: determining number of symbols occupied by PDCCH, number of CRS ports, number of DMRS ports and CSI-RS configuration in a subframe; and determining resources available for transmitting an ePDCCH in PDSCH area of the subframe according to the number of symbols occupied by the PDCCH, the number of CRS ports, the number of DMRS ports and the CSI-RS configuration.
Abstract translation: 本公开提供了一种用于确定ePDCCH资源单元数量的方法和装置。 该方法包括：确定子帧占用的符号数，CRS端口数，DMRS端口数和CSI-RS配置; 以及根据PDCCH占用的符号数，CRS端口数，DMRS端口数和CSI-RS配置，确定可用于在子帧的PDSCH区域中发送ePDCCH的资源。
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公开(公告)号：US20150222335A1
公开(公告)日：2015-08-06
申请号：US14424035
申请日：2013-08-27
Inventor： Meifang Jing , Xin Su , Rakesh Tamrakar
IPC: H04B7/04
CPC classification number: H04B7/0417 , H04B7/0456 , H04B7/0469 , H04B7/0478 , H04B7/065 , H04B7/0652
Abstract: The embodiments of the disclosure relate to the technical field of wireless communications, and particularly relate to a method, a system and a device for feeding back and receiving a Pre-coding Matrix Indicator (PMI), which is used for feeding back a vertical dimension PMI. The method for feeding back the PMI provided by the embodiments of the disclosure comprises: confirming the PMI needed to be fed back, wherein the PMI comprises a horizontal dimension PMI and a vertical dimension PMI, or a PMI combined by horizontal dimension and vertical dimension (801); feeding back the confirmed PMI in a non periodic Channel State Information (CSI) feedback mode or a periodic CSI feedback mode (802). Since the capability of feeding back the vertical dimension PMI, dynamic 3D beam shaping technology can be implemented and the throughput of the user equipments in the edge of cell and the average throughput can be improved.
Abstract translation: 本公开的实施例涉及无线通信的技术领域，特别涉及用于反馈和接收预编码矩阵指示符（PMI）的方法，系统和设备，其用于反馈垂直维度 PMI。 用于反馈由本公开的实施例提供的PMI的方法包括：确认需要反馈的PMI，其中PMI包括水平尺寸PMI和垂直维度PMI或由水平尺寸和垂直尺寸组合的PMI（ 801）; 在非周期性信道状态信息（CSI）反馈模式或周期性CSI反馈模式（802）中反馈确认的PMI。 由于反馈垂直尺寸PMI的能力，可以实现动态3D波束整形技术，可以提高单元边缘用户设备的吞吐量和平均吞吐量。
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公开(公告)号：US11510203B2
公开(公告)日：2022-11-22
申请号：US16494647
申请日：2018-02-26
Inventor： Qiubin Gao , Rakesh Tamrakar , Xin Su , Runhua Chen
Abstract: A method and an apparatus for determining an uplink transmission beam are provided. The method includes: a base station transmitting uplink transmission beam indication information to a terminal; where the uplink transmission beam indication information includes beam type indication information, the beam type indication information is used to indicate that the uplink transmission beam for the terminal is obtained based on uplink reference signals, or the beam type indication information is used to indicate that the uplink transmission beam for the terminal is obtained based on downlink reference signals, so as to ensure that the base station is capable of selecting an uplink transmission beam for the terminal.
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Patent Agency Ranking
公开(公告)号：US11419070B2
公开(公告)日：2022-08-16
申请号：US16323242
申请日：2017-07-17
Inventor： Rakesh Tamrakar , Runhua Chen , Qiubin Gao , Qiuping Huang , Hui Li , Chuanjun Li , Yang Song , Xin Su , Yu Yang , Mengjun Wang
Abstract: A method for acquiring system information, a method for transmitting system information, a terminal, a network reception and transmission node and a storage medium are provided. The method for acquiring the system information includes: receiving a synchronization signal transmitted from a network reception and transmission node, and acquiring feature information of the synchronization signal, node information of the network reception and transmission node and a correspondence between the feature information and a transmitting position of the system information; acquiring the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence; and receiving, at the transmitting position of the system information, the system information transmitted from the network reception and transmission node.
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公开(公告)号：US11152983B2
公开(公告)日：2021-10-19
申请号：US16476507
申请日：2018-02-07
Inventor： Xin Su , Qiubin Gao , Chuanjun Li , Mengjun Wang , Rakesh Tamrakar , Runhua Chen , Hui Li , Qiuping Huang
IPC: H04B7/0456 , H04L5/00 , H04B7/06 , H04L1/00 , H04L5/10
Abstract: The present disclosure provides a data transmission control method, a network side device and a terminal side device. The data transmission control method includes: mapping, by a network side device, a codeword to at least one data layer; mapping, by the network side device, the at least one data layer to at least one QCL group, the QCL group being an antenna port group established in accordance with a QCL relationship among antenna ports; and performing, by the network side device, data transmission in accordance with the QCL group. According to the present disclosure, it is able to perform the data transmission through multi-array antennae.
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公开(公告)号：US10826574B2
公开(公告)日：2020-11-03
申请号：US16330731
申请日：2017-08-17
Inventor： Qiubin Gao , Runhua Chen , Rakesh Tamrakar , Xin Su , Qiuping Huang
IPC: H04B7/04 , H04B7/0417 , H04B7/06 , H04B7/08 , H04B17/309 , H04W72/04
Abstract: The beam processing method for use in the base station includes: transmitting a first downlink transmission beam training signal to a UE, and receiving first recommended beam-related information reported by the UE in accordance with the first downlink transmission beam training signal; transmitting a second downlink transmission beam training signal to the UE, and receiving second recommended beam-related information reported by the UE in accordance with the second downlink transmission beam training signal; determining a target downlink transmission beam in accordance with the first recommended beam-related information and the second recommended beam-related information; and performing a switching operation on one or more currently-adopted valid downlink transmission beams in accordance with the target downlink transmission beam.
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公开(公告)号：US10778307B2
公开(公告)日：2020-09-15
申请号：US16337373
申请日：2017-09-13
Inventor： Xin Su , Qiubin Gao , Rakesh Tamrakar , Runhua Chen , Chuanjun Li , Mengjun Wang , Hui Li , Qiuping Huang
Abstract: A beam scanning and search tracking method and device are provided. The method includes constructing analog beams and performing digital beam-forming to the analog beams so as to form equivalent beams; transmitting reference signals to a second communication node by using the equivalent beams; receiving beam information about the equivalent beams and corresponding channel state information fed back by the second communication node according to the reference signals; performing a beam scanning operation and a search tracking operation by using the beam information and the channel state information.
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公开(公告)号：US10778292B2
公开(公告)日：2020-09-15
申请号：US16082908
申请日：2017-02-21
Inventor： Qiubin Gao , Wenhong Chen , Hui Li , Runhua Chen , Rakesh Tamrakar
IPC: H04B7/04 , H04B7/0417 , H04B7/0456 , H04B7/06
Abstract: The present application provides a method and a device for transmitting feedback information. The method includes: determining, by a transmitting terminal, a first code book in accordance with a channel measurement result, precoding matrices included in the first code book being obtained through transformation of a same construction matrix; calculating, by the transmitting terminal, to obtain a first CQI in accordance with all or part of the precoding matrices in the first code book; and transmitting, by the transmitting terminal, first indication information for indicating the first code book and second indication information for indicating the first CQI to a receiving terminal.
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