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公开(公告)号：US11664876B2
公开(公告)日：2023-05-30
申请号：US16324880
申请日：2017-08-03
Inventor： Qiuping Huang , Qiubin Gao , Runhua Chen , Hui Li , Rakesh Tamrakar , Yang Song , Xin Su , Yu Yang , Mengjun Wang , Chuanjun Li
IPC: H04B7/08 , H04B7/0408 , H04B7/06
CPC classification number: H04B7/0851 , H04B7/0408 , H04B7/0695 , H04B7/088
Abstract: A method and a device for transmitting downlink reception beam training signals are provided. The method at the second device side includes: receiving a downlink reception beam training trigger notification message sent by a first device; receiving downlink reception beam training signals sent by the first device, based on the downlink reception beam training trigger notification message; and performing a downlink reception beam training based on the downlink reception beam training signals. The method at the first device side includes: sending a downlink reception beam training trigger notification message to a second device when determining that a downlink reception beam training is to be performed for the second device, and sending downlink reception beam training signals to the second device after the downlink reception beam training trigger notification message is sent to the second device.
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公开(公告)号：US10912014B2
公开(公告)日：2021-02-02
申请号：US16319807
申请日：2017-06-08
Inventor： Qiuping Huang , Qiubin Gao , Runhua Chen , Hui Li , Tamrakar Rakesh , Yang Song , Mengjun Wang , Chuanjun Li , Xin Su , Yu Yang
Abstract: Disclosed are a data transmission method and device. The method comprises: a sending end sending at least one synchronization signal (SI), with the SI carrying a first identifier; and at a time-frequency location of system information corresponding to the SI, sending the system information, the system information carrying information for indicating a second identifier, and identification information about the sending end comprising the first identifier and the second identifier. According to a mapping relationship between an SI and a first identifier, a receiving end can obtain the first identifier after detecting the SI; and by means of carrying information for indicating a second identifier in system information, the receiving end can obtain the second identifier after detecting the system information, so that the receiving end can obtain all the identification information about the sending end according to the first identifier and the second identifier.
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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：US10892805B2
公开(公告)日：2021-01-12
申请号：US16338322
申请日：2017-07-25
Inventor： Xin Su , Qiubin Gao , Runhua Chen , Tamrakar Rakesh , Chuanjun Li , Mengjun Wang , Hui Li , Qiuping Huang
IPC: H04B7/0452 , H04B7/0408 , H04B7/06 , H04L5/00 , H04W72/04
Abstract: Disclosed are a beam scanning method and a related device, used for solving the problem that, during the existing process of determining the optimal transceiving beam by performing traversal search on a combination of potential transceiving beams, a large amount of system overhead needs to be occupied, thus reducing the system efficiency and the adaptability to a time-varying channel. The method comprises: a first communication node determines at least one transmitted beam according to the optimal receiving beam group between a receiver of the first communication node and a transmitter of a second communication node; the first communication node sequentially sends a signal to the second communication node by means of the transmitter according to the determined at least one transmitted beam until the optimal transmitted beam is determined.
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公开(公告)号：US10536247B2
公开(公告)日：2020-01-14
申请号：US15550326
申请日：2016-01-08
Inventor： Chuanjun Li , Xin Su
Abstract: An antenna calibration method and apparatus are used for improving calibration accuracy. In the embodiments of the present invention, sending direction radio frequency channels in an antenna array are grouped into M groups, an intra-group sending calibration pilot frequency sequence of each group of sending direction radio frequency channel is sent at different sending time slots in a time division manner, and along with the decreasing of the quantity of each group of sending direction radio frequency channels, a length of the intra-group sending calibration pilot frequency sequence mapped on each radio frequency channel used for channel estimation is increased, thereby improving the accuracy of an inter-channel compensation factor of each determined sending direction radio frequency channel.
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Patent Agency Ranking
公开(公告)号：US10014922B2
公开(公告)日：2018-07-03
申请号：US15556287
申请日：2016-01-22
Inventor： Xin Su , Chuanjun Li
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：US11770757B2
公开(公告)日：2023-09-26
申请号：US16317945
申请日：2017-07-11
Inventor： Hui Li , Qiubin Gao , Runhua Chen , Chuanjun Li , Xin Su , Yang Song , Rakesh Tamrakar , Yu Yang , Qiuping Huang , Mengjun Wang
CPC classification number: H04W48/08 , H04L5/0094 , H04L27/2666
Abstract: A method and a device for accessing a system information area or a network area are provided. The method includes: receiving, by a terminal, at least one initial access signal (IAS) transmitted from the system information area or the network area; and obtaining, by the terminal, one or more of a subframe boundary, a system bandwidth, a starting frequency and an ending frequency of the system information area or the network area based on the received IAS.
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公开(公告)号：US11323219B2
公开(公告)日：2022-05-03
申请号：US16322460
申请日：2017-07-18
Inventor： Rakesh Tamrakar , Runhua Chen , Qiubin Gao , Hui Li , Qiuping Huang , Yang Song , Chuanjun Li , Mengjun Wang , Xin Su , Yu Yang
Abstract: A triggering method and a transmitting method for an uplink reference signal in a communication system, apparatuses thereof, and a storage medium are provided. The communication system includes at least two different signal parameters. The triggering method applied to a network side includes: generating, by the network side, a trigger signaling for triggering a terminal to transmit the uplink reference signal to the network side for one or more times; and transmitting, by the network side, the trigger signaling to the terminal.
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公开(公告)号：US10804994B2
公开(公告)日：2020-10-13
申请号：US16337961
申请日：2017-07-31
Inventor： Qiubin Gao , Runhua Chen , Tamrakar Rakesh , Xin Su , Chuanjun Li
IPC: H04B7/06 , H04B7/0417 , H04B7/08 , H04W16/28 , H04W72/04
Abstract: Disclosed in the present application are an antenna beam management method and related device, used for solving the problem in current large-scale antenna technology wherein the overhead of beam management control signaling is large. The method is: a terminal sending related information of a downlink beam of the terminal to a base station so that the base station determines a first downlink sending beam on the basis of the related information of the downlink beam; the terminal receiving notification information related to the first downlink sending beam send by the base station, the notification information comprising indication information that is used by the terminal to determine at least one first downlink receiving beam; the terminal determining the at least one first downlink receiving beam on the basis of the notification information; and the terminal receiving a downlink signal on the basis of the at least one first downlink receiving beam.
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10.发明授权公开(公告)号：US10659119B2
公开(公告)日：2020-05-19
申请号：US16475072
申请日：2017-08-25
Inventor： Hui Li , Qiubin Gao , Xin Su , Tamrakar Rakesh , Runhua Chen , Qiuping Huang , Chuanjun Li , Mengjun Wang
IPC: H04L27/26 , H04B7/0456 , H04L25/02
Abstract: The present invention relates to the field of wireless communications, and in particular, to a method for transmitting a reference signal, a method for determining a phase noise, and related apparatuses, to resolve the problem in the prior art that different phase noises of different antenna units or antenna ports of a transmitter cannot be accurately estimated and compensated for. The method comprises: the transmitter respectively transmitting each precoded DMRS and PTRS to a receiver via respective corresponding antenna groups having a same phase noise, and when the receiver receives the PTRS, performing channel estimation based on each received PTRS, to determine phase changes caused by phase noises corresponding to different antenna groups. In this way, even if different antennas of a transmitter have different phase noises, phase changes caused by the different phase noises can still be accurately determined, so that all data transmitted by the different antenna groups can be accurately demodulated according to different phase changes.
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