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公开(公告)号：US11889486B2
公开(公告)日：2024-01-30
申请号：US17147002
申请日：2021-01-12
发明人： Quanzhong Gao , Heng Xu , Mingtao Xu , Kunchao Bao
IPC分类号： H04W72/0453 , H04L25/02 , H04W88/08
CPC分类号： H04W72/0453 , H04L25/0204 , H04W88/08
摘要： Embodiments of this application relate to the communications field, and provide a data transmission control method. The method includes: obtaining, by the first communications apparatus, radio frequency signals; processing, by the first communications apparatus, at least two parts of signals in the radio frequency signals in at least two functional split manners, to generate at least two parts of transmission signals, where each part of signals in the radio frequency signals is processed in one functional split manner, and different parts of signals in the radio frequency signals are processed in different functional split manners; and sending, by the first communications apparatus, the at least two parts of transmission signals to the second communications apparatus.
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公开(公告)号：US11804884B2
公开(公告)日：2023-10-31
申请号：US17572854
申请日：2022-01-11
IPC分类号： H04B7/0456 , H04L5/00
CPC分类号： H04B7/0456 , H04L5/0048
摘要： This application discloses a precoding processing method and an apparatus. The method includes: A base station determines first downlink channel information based on a pilot signal received from a terminal device. The base station receives a precoding matrix indication PMI from the terminal device, determines second downlink channel information based on the PMI, determines a precoding matrix of a downlink channel based on the first downlink channel information and second downlink channel information, and performs precoding processing by using the precoding matrix. In this method, when calculating a downlink BF weight, the base station combines the downlink channel information obtained based on the pilot signal with the precoding matrix indicated by the PMI, to compensate for a quantization error caused by feedback of a single PMI indication. This method improves accuracy of beamforming weights.
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公开(公告)号：US20190208530A1
公开(公告)日：2019-07-04
申请号：US16295383
申请日：2019-03-07
发明人： Quanzhong Gao , Chaoyi Yan , Heng Xu , Chao Zhang
CPC分类号： H04W72/1205 , H04L5/0005 , H04W16/14 , H04W72/04 , H04W72/0446 , H04W72/12
摘要： A wireless communication method, a base station and a terminal are disclosed. In an embodiment a method includes determining, by a base station, a first resource and a second resource from a target resource, wherein the target resource is a resource shared by at least one terminal in a first Radio Access Technology (RAT) and at least one terminal in a second RAT, the first resource being a resource used by the terminal in the first RAT, and the second resource being a resource used by the terminal in the second RAT, sending, by the base station, first indication information to the terminal in the first RAT, wherein the first indication information is used to indicate the first resource to be used by the terminal in the first RAT and sending, by the base station, second indication information to the terminal in the second RAT, wherein the second indication information is used to indicate the second resource to be used by the terminal in the second RAT.
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公开(公告)号：US09094070B2
公开(公告)日：2015-07-28
申请号：US14053238
申请日：2013-10-14
发明人： Dongmei Fang , Wei Ruan , Heng Xu
CPC分类号： H04B7/0615 , H01Q1/246 , H01Q3/26 , H01Q21/24 , H04B7/0469 , H04B7/0691 , H04B7/10
摘要： Embodiments of the present disclosure provide a data transmission method and an apparatus. The method mainly includes: forming multiple antennas of a BS (base station) into a cross polarization antenna array, and calculating a weighted matrix of a to-be-transmitted data stream of the BS according to channel information between the BS and an MS (mobile station); performing weighted processing on the to-be-transmitted data stream of the BS according to the weighted matrix, and sending a data stream that has undergone the weighted processing from the BS to the MS. The embodiments of the present disclosure may enhance the demodulation performance because the cross polarization antenna array is adopted at the BS, and certain irrelevancy exists between cross antennas; therefore, the embodiments of the present disclosure may significantly enhance the overall performance of sending the data stream from a BS side to an MS side.
摘要翻译： 本公开的实施例提供了一种数据传输方法和装置。 该方法主要包括：将BS（基站）的多个天线形成为交叉极化天线阵列，并根据BS与MS之间的信道信息计算BS的待传输数据流的加权矩阵（ 移动台）; 对根据加权矩阵的BS的待发送数据流执行加权处理，并且将经过加权处理的数据流从BS发送到MS。 本公开的实施例可以增强解调性能，因为在BS处采用交叉极化天线阵列，并且在交叉天线之间存在某些不相关性; 因此，本公开的实施例可以显着增强从BS侧向MS侧发送数据流的整体性能。
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公开(公告)号：US11284425B2
公开(公告)日：2022-03-22
申请号：US16881495
申请日：2020-05-22
发明人： Quanzhong Gao , Yong Wang , Heng Xu , Liwen Zhang , Guochen Liu
摘要： An uplink signal transmission method includes receiving, by an active antenna unit of a base station, a first uplink signal sent by a terminal in a first band. The method also includes sending, by the base station, the first uplink signal to a first baseband processing unit of the base station corresponding to a second band for demodulation. The active antenna unit of the base station includes a first array antenna corresponding to the first band and a second array antenna corresponding to the second band. The first band is lower than the second band.
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公开(公告)号：US11910443B2
公开(公告)日：2024-02-20
申请号：US17349160
申请日：2021-06-16
发明人： Heng Xu , Jian Li , Mingtao Xu
IPC分类号： H04W74/08 , H04W72/04 , H04W16/28 , H04W72/044 , H04B7/0413 , H04W84/04
CPC分类号： H04W74/0833 , H04W16/28 , H04W72/044 , H04B7/0413 , H04W84/042
摘要： Embodiments of this application relate to a PRACH detection method, and the method includes: sequentially detecting frequency domain data of each beam in at least two groups of beams; obtaining frequency domain data of a frequency corresponding to a PRACH from frequency domain data of a currently detected beam; determining a time domain correlation peak of the PRACH based on the frequency domain data of the frequency corresponding to the PRACH; determining a first peak value based on the time domain correlation peak of the PRACH; and when the first peak value is greater than or equal to a first threshold, sending a random access response message to user equipment.
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公开(公告)号：US20230396296A1
公开(公告)日：2023-12-07
申请号：US18452583
申请日：2023-08-21
发明人： Yulin Huang , Mingtao Xu , Heng Xu
IPC分类号： H04B7/0456 , H04B7/01
CPC分类号： H04B7/0486 , H04B7/01
摘要： This application provides a phase correction method and a communication apparatus. In the phase correction method, a network device sends a combined signal to a terminal, where the combined signal is obtained by passing a first signal through N channels and combining output signals of the N channels. The terminal determines a precoding matrix based on the combined signal and feeds back the precoding matrix to the network device. The network device estimates a phase error between a plurality of channels of the network device based on the precoding matrix, and corrects phases of the N channels based on the obtained phase error. In the foregoing technical solution, soft correction of phases of N channels of the network device may be implemented by using an air interface feedback of a terminal, so that it can be ensured that the phases of the N channels are consistent.
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8.发明授权公开(公告)号：US11234294B2
公开(公告)日：2022-01-25
申请号：US16749103
申请日：2020-01-22
发明人： Quanzhong Gao , Heng Xu , Guochen Liu , Liwei Ge , Jianbiao Xu , Senbao Guo
摘要： This application provides example data dimension reduction methods, apparatus, and systems, computer devices, and storage mediums, and relates to the communications field. One example method includes receiving an antenna domain received signal, where the antenna domain received signal includes an uplink signal that is received from UE by an array antenna corresponding to an RRS, wherein the antenna domain received signal is a time domain signal, a dimension of the antenna domain received signal is N1, and N1 is an integer greater than 1. A received beam weight is obtained based on channel information of the UE. Dimension reduction is performed on the antenna domain received signal by using the received beam weight to obtain a beam domain received signal, where the beam domain received signal is a frequency domain signal, a dimension of the beam domain received signal is N2, and 0
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