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公开(公告)号：US20230353207A1
公开(公告)日：2023-11-02
申请号：US18347574
申请日：2023-07-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xin Xia , Weimin Chen , Yan Zhang , Lei Chen
IPC: H04B7/06 , H04B7/0452
CPC classification number: H04B7/0617 , H04B7/0452
Abstract: Communication method and apparatus provide a network device sends a first signal to a first terminal device on a first resource element; the network device receives a fourth signal on a second resource element, where the second resource element and the first resource element at least partially overlap or are adjacent to each other; and the network device sends downlink data by using a first beamforming BF weight, where the first BF weight is obtained based on signal processing performed on the fourth signal, and an operation amount of the signal processing is less than an operation amount of matrix inversion or matrix decomposition. An air interface is used as a calculation resource to reduce calculation complexity of a baseband.
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公开(公告)号：US10320464B2
公开(公告)日：2019-06-11
申请号：US15858983
申请日：2017-12-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Weimin Chen , Li Wen , Zhengzheng Li , Lu Guan , Huaizhi Zhang
Abstract: A joint channel correction method, an apparatus, and a system are disclosed. The joint channel correction method includes: sending a first joint channel correction instruction to a first RRU; sending a second joint channel correction instruction to a second RRU; receiving a result sent by the second RRU about reception of the first correction reference signal through X2 receive channels in X2 traffic channels; receiving a result sent by the first RRU about reception of the second correction reference signal through X1 receive channels in X1 traffic channels; and obtaining correction compensation coefficients of the X1 traffic channels and/or the X2 traffic channels through calculation. Technical solutions provided by embodiments of the present application help implement channel correction between RRUs without a channel self-correction function.
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公开(公告)号：US10034212B2
公开(公告)日：2018-07-24
申请号：US14742198
申请日：2015-06-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianwei Du , Weimin Chen
Abstract: A wireless communication method, apparatus and system are provided. A processing center determines coverages of at least two access end devices; determines a location of a user equipment, which accesses a target service via a first access end device in the at least two access end devices; determines that the user equipment is capable of accessing the target service via a second access end device according to the location of the user equipment and a coverage of the second access end device; and sends indication information used for indicating that the user equipment accesses the target service via the second access end device to the user equipment.
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公开(公告)号：US09813168B2
公开(公告)日：2017-11-07
申请号：US15082420
申请日：2016-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Taofu Mo , Huajiong Lin , Long Luo , Bo Han , Weimin Chen , Siqing Ye , Linjun Lv
Abstract: The present invention discloses a self-interference signal cancellation device. The device includes a first self-interference cancellation unit, configured to: obtain a first analog signal by coupling a transmit signal output by an analog transmit processing module; perform analog-to-digital conversion on the first analog signal, to obtain a first digital signal; perform interference reconstruction according to the first digital signal, to obtain a first digital interference cancellation signal; and cancel, according to the first digital interference cancellation signal, a self-interference signal included in a digital signal output by a first analog-to-digital conversion module, to obtain a first output signal, and output the first output signal to a digital receive processing module. In the present invention, after interference cancellation is performed by using the first digital interference cancellation signal and the digital signal output by the first analog-to-digital conversion module, a self-interference signal introduced during transmission can be canceled.
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公开(公告)号：US09654157B2
公开(公告)日：2017-05-16
申请号：US15135187
申请日：2016-04-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianjun Yang , Linfeng Xia , Weimin Chen , Yun Liu
IPC: H04B17/00 , H04B1/04 , H01Q1/12 , H04B17/318 , H04B17/336
CPC classification number: H04B1/0475 , H01Q1/1257 , H04B17/318 , H04B17/336
Abstract: The present invention relates to the field of communications, and provides a link adaptation method and device, so as to determine, according to transmission quality of a signal in a link, to perform antenna alignment and/or frequency adjustment. The method includes: detecting, by a first antenna device, an RSSI of a link between the first antenna device and a second antenna device; when it is determined that the RSSI is greater than or equal to a first RSSI threshold, detecting, by the first antenna device, an SINR of the link; and choosing, by the first antenna device according to the RSSI and the SINR, to perform frequency adjustment and/or antenna alignment with the second antenna device. Embodiments of the present invention are applied to link adaptation.
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Patent Agency Ranking
公开(公告)号：US20160211927A1
公开(公告)日：2016-07-21
申请号：US15082420
申请日：2016-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Taofu Mo , Huajiong Lin , Long Luo , Bo Han , Weimin Chen , Siqing Ye , Linjun Lv
IPC: H04B15/00
Abstract: The present invention discloses a self-interference signal cancellation device. The device includes a first self-interference cancellation unit, configured to: obtain a first analog signal by coupling a transmit signal output by an analog transmit processing module; perform analog-to-digital conversion on the first analog signal, to obtain a first digital signal; perform interference reconstruction according to the first digital signal, to obtain a first digital interference cancellation signal; and cancel, according to the first digital interference cancellation signal, a self-interference signal included in a digital signal output by a first analog-to-digital conversion module, to obtain a first output signal, and output the first output signal to a digital receive processing module. In the present invention, after interference cancellation is performed by using the first digital interference cancellation signal and the digital signal output by the first analog-to-digital conversion module, a self-interference signal introduced during transmission can be canceled.
Abstract translation: 本发明公开了一种自干扰信号消除装置。 该装置包括：第一自干扰消除单元，被配置为：通过耦合由模拟发送处理模块输出的发送信号来获得第一模拟信号; 对第一模拟信号执行模数转换，以获得第一数字信号; 根据第一数字信号执行干扰重建，以获得第一数字干扰消除信号; 并且根据所述第一数字干扰消除信号取消包括在由第一模数转换模块输出的数字信号中的自干扰信号，以获得第一输出信号，并将所述第一输出信号输出到数字 接收处理模块。 在本发明中，通过使用第一数字干扰消除信号和由第一模/数转换模块输出的数字信号来执行干扰消除之后，可以消除传输期间引入的自干扰信号。
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公开(公告)号：US10003491B2
公开(公告)日：2018-06-19
申请号：US15729190
申请日：2017-10-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huaizhi Zhang , Weimin Chen , Xiufeng Wu , Qing Wang
CPC classification number: H04L27/362 , H04L1/0003 , H04L1/0009 , H04L1/0016 , H04L1/0026 , H04L27/3488 , H04W88/08
Abstract: Disclosed is a transmission method compatible with higher order modulation and lower order modulation, and an apparatus. A base station stores a first higher order modulation mapping table supporting the higher order modulation and a first lower order modulation mapping table supporting the lower order modulation; the base station receives capability level information sent by user equipment; the base station determines, according to the capability level information sent by the user equipment, a first modulation mapping table used to communicate with the user equipment; the base station determines a modulation and coding scheme index according to the modulation mapping table, where the modulation and coding scheme index is used by the user equipment to determine a modulation and coding scheme; and the modulation and coding scheme index is sent to the user equipment.
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公开(公告)号：US20180123666A1
公开(公告)日：2018-05-03
申请号：US15858983
申请日：2017-12-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Weimin Chen , Li Wen , Zhengzheng Li , Lu Guan , Huaizhi Zhang
CPC classification number: H04B7/0617 , H04B17/11 , H04B17/21 , H04B17/309 , H04L25/0204 , H04L25/0224 , H04W40/16
Abstract: A joint channel correction method, an apparatus, and a system are disclosed. The joint channel correction method includes: sending a first joint channel correction instruction to a first RRU; sending a second joint channel correction instruction to a second RRU; receiving a result sent by the second RRU about reception of the first correction reference signal through X2 receive channels in X2 traffic channels; receiving a result sent by the first RRU about reception of the second correction reference signal through X1 receive channels in X1 traffic channels; and obtaining correction compensation coefficients of the X1 traffic channels and/or the X2 traffic channels through calculation. Technical solutions provided by embodiments of the present application help implement channel correction between RRUs without a channel self-correction function.
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公开(公告)号：US10418725B2
公开(公告)日：2019-09-17
申请号：US15247636
申请日：2016-08-25
Applicant: Huawei Technologies Co., Ltd.
Inventor： ShiWen Yang , Yanshan Gou , Qiang Wang , Weimin Chen
Abstract: The present invention discloses a dual-polarized antenna that includes a ground plate, a feeding part, and a radiant plate. The feeding part includes a first feeding part and a second feeding part. The first feeding part includes a first dielectric plate, a first feeding layer, and a first transmission line. The second feeding part includes a second dielectric plate, a second feeding layer, and a second transmission line. The first dielectric plate and the second dielectric plate are placed perpendicularly to each other and are perpendicularly installed on the ground plate, and the first transmission line and the second transmission line are separated from each other.
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公开(公告)号：US20160365914A1
公开(公告)日：2016-12-15
申请号：US15248388
申请日：2016-08-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huajiong Lin , Weimin Chen , Zhengzheng Li , Qing Wang
Abstract: A method for reducing adjacent-channel interference includes: obtaining, by a receiver, a first analog signal from a radio frequency front-end of a transmitter, where the first analog signal is a signal transmitted by the transmitter to the outside, and the signal transmitted by the transmitter to the outside forms a self-interference signal at an antenna of the receiver; performing analog-to-digital conversion on the first analog signal so as to obtain a first digital signal; receiving, by the receiver, a second analog signal, where the second analog signal includes a wanted signal and the self-interference signal; performing analog-to-digital conversion on the second analog signal so as to obtain a second digital signal; and performing digital cancellation on the second digital signal and the first digital signal so as to obtain a wanted digital signal of the second digital signal.
Abstract translation: 减少相邻信道干扰的方法包括：由接收机从发射机的射频前端获得第一模拟信号，其中第一模拟信号是由发射机发射到外部的信号，信号 由发射机发送到外部在接收机的天线处形成自干扰信号; 对所述第一模拟信号执行模数转换，以获得第一数字信号; 由接收机接收第二模拟信号，其中第二模拟信号包括有用信号和自干扰信号; 对所述第二模拟信号执行模数转换，以获得第二数字信号; 以及对所述第二数字信号和所述第一数字信号执行数字消除以获得所述第二数字信号的有用数字信号。
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