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公开(公告)号：US09853664B2
公开(公告)日：2017-12-26
申请号：US15382030
申请日：2016-12-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xingwen Li , Wei Huang , Siqing Ye , Jinming Wang
CPC classification number: H04B1/0475 , H03F3/189 , H03F3/19 , H03F3/211 , H03F3/24 , H03F3/245 , H03F2200/102 , H03F2200/451 , H03F2203/21142 , H04B2001/0425
Abstract: A apparatus for radio frequency power amplification, a radio frequency power amplification method, a transmitter, and a base station that can reduce nonlinear signal distortion factors are disclosed. The radio frequency power amplification system includes: a radio frequency signal generation circuit, configured to process a baseband digital signal, to obtain an original radio frequency signal; a radio frequency signal processing circuit, configured to process the original radio frequency signal, to obtain N processed radio frequency signals, where N is greater than or equal to 2; a power amplifier, configured to perform power amplification on each of the N processed radio frequency signals, to obtain N amplified radio frequency signals; and a combiner, configured to combine the N amplified radio frequency signals.
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2.发明授权公开(公告)号：US09548771B2
公开(公告)日：2017-01-17
申请号：US14734464
申请日：2015-06-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xingwen Li , Siqing Ye , Yongsheng Wang , Yan Chang
CPC classification number: H04B1/0475 , H04L25/08 , H04L27/366
Abstract: Embodiments of the present invention provide a method and an apparatus for eliminating interference among transmission channels of a transmitter. The method includes: generating a compensation parameter according to an output signal of an analog module on a transmission channel to be processed by the transmitter and an input signal of a digital module on each transmission channel among all transmission channels of the transmitter; generating a cancellation signal according to the compensation parameter and an input or output signal of a digital module on another transmission channel except for the transmission channel to be processed; and performing, according to the cancellation signal, interference elimination processing on the transmission channel to be processed. The method and apparatus according to the embodiments of the present invention avoid an increase of a transmitter product size, and improve an effect of eliminating interference among transmission channels.
Abstract translation: 本发明的实施例提供一种用于消除发射机的传输信道之间的干扰的方法和装置。 该方法包括：根据发射机要处理的传输信道上的模拟模块的输出信号和发射机的所有传输信道中每个传输信道上的数字模块的输入信号产生补偿参数; 根据所述补偿参数产生取消信号，以及除了要处理的传输信道之外的另一传输信道上的数字模块的输入或输出信号; 以及根据所述消除信号，对要处理的传输信道执行干扰消除处理。 根据本发明的实施例的方法和装置避免了发射机产品尺寸的增加，并且提高了消除传输信道之间的干扰的效果。
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公开(公告)号：US09893748B2
公开(公告)日：2018-02-13
申请号：US15585642
申请日：2017-05-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Siqing Ye , Jinming Wang , Erni Zhu , Chen Wang , Lan You
CPC classification number: H04B1/0475 , H03F1/3247 , H03F3/19 , H03F3/21 , H03F3/24 , H03F2200/102 , H03F2200/451 , H03F2201/3233 , H04B2001/0408 , H04L25/49
Abstract: An analog predistorter (APD) core module including a radio frequency delay module, an envelope module, and a contact matrix module. The radio frequency delay module is configured to receive a feed-forward radio frequency signal, generate multiple radio frequency delay signals with different delays according to the feed-forward radio frequency signal, and output each radio frequency delay signal to the contact matrix module. The envelope module is configured to receive the feed-forward radio frequency signal, perform envelope detection on the feed-forward radio frequency signal to obtain multiple envelope signals with different delays, and output each envelope signal to the contact matrix module. The contact matrix module is configured to receive each radio frequency delay signal, each envelope signal, and a predistortion coefficient from an exterior source, and generate a predistortion signal according to the predistortion coefficient, each radio frequency delay signal, and each envelope signal.
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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：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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Patent Agency Ranking
公开(公告)号：US20170149460A1
公开(公告)日：2017-05-25
申请号：US15382030
申请日：2016-12-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xingwen Li , Wei Huang , Siqing Ye , Jinming Wang
CPC classification number: H04B1/0475 , H03F3/189 , H03F3/19 , H03F3/211 , H03F3/24 , H03F3/245 , H03F2200/102 , H03F2200/451 , H03F2203/21142 , H04B2001/0425
Abstract: A apparatus for radio frequency power amplification, a radio frequency power amplification method, a transmitter, and a base station that can reduce nonlinear signal distortion factors are disclosed. The radio frequency power amplification system includes: a radio frequency signal generation circuit, configured to process a baseband digital signal, to obtain an original radio frequency signal; a radio frequency signal processing circuit, configured to process the original radio frequency signal, to obtain N processed radio frequency signals, where N is greater than or equal to 2; a power amplifier, configured to perform power amplification on each of the N processed radio frequency signals, to obtain N amplified radio frequency signals; and a combiner, configured to combine the N amplified radio frequency signals.
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公开(公告)号：US09544125B2
公开(公告)日：2017-01-10
申请号：US14336709
申请日：2014-07-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mengda Mao , Siqing Ye , Qian Yin , Tao Pu
CPC classification number: H04L5/1461 , H04B1/525 , H04W28/04
Abstract: An interference cancellation method and apparatus and also a filter are disclosed to cancel the interfering signals leaked to the receiving channel, and enable the receiving channel to suppress the transmitted signal. The method includes: dividing a transmitted signal into a first transmitted signal and a second transmitted signal, and then inputting the first transmitted signal into a first transmitting filter and inputting the second transmitted signal into a second transmitting filter symmetric to the first transmitting filter; adjusting the first interfering signal and the second interfering signal to make opposite phases of the signals; and combining the signals of opposite phases. The method provided herein can cancel the interfering signals leaked to the receiving channel, the receiving channel suppresses the transmitted signal effectively, and the interference caused by the transmitted signal onto the received signal is cancelled.
Abstract translation: 公开了一种干扰消除方法和装置以及滤波器来消除泄漏到接收信道的干扰信号，并且使接收信道能够抑制所发送的信号。 该方法包括：将发送的信号划分为第一发送信号和第二发送信号，然后将第一发送信号输入到第一发送滤波器，并将第二发送信号输入到与第一发送滤波器对称的第二发送滤波器; 调整第一干扰信号和第二干扰信号以使信号相反; 并组合相位相反的信号。 本文提供的方法可以消除泄漏到接收信道的干扰信号，接收信道有效地抑制发射信号，并且消除由发射信号对接收信号造成的干扰。
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8.发明授权公开(公告)号：US09432173B2
公开(公告)日：2016-08-30
申请号：US14337854
申请日：2014-07-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mengda Mao , Siqing Ye , Qian Yin , Tao Pu
CPC classification number: H04L5/1461 , H04B1/0475 , H04B1/525 , H04L27/2626 , H04L27/2647 , H04L27/368
Abstract: A method, an apparatus, and a transceiver for cancelling multi-carrier transmission interference are provided. The method includes: collecting a high order intermodulation signal in radio frequency signals output by a transmitter; processing the high order intermodulation signal so as to generate a first digital signal; establishing a high order intermodulation model by using the first digital signal and a first baseband signal output by the transmitter; generating a second digital signal by using a coefficient of the high order intermodulation model and a second baseband signal output by the transmitter; and counteracting interference in a digital signal output by a receiver with the second digital signal. By using the present invention, high order intermodulation interference of a multi-carrier transmitter on a receiver can be effectively canceled, and therefore, difficulty in duplexer design and requirements on a suppression degree are reduced.
Abstract translation: 提供了一种用于消除多载波传输干扰的方法，装置和收发器。 该方法包括：在发射机输出的射频信号中收集高阶互调信号; 处理高阶互调信号以产生第一数字信号; 通过使用第一数字信号和由发射机输出的第一基带信号建立高阶互调模型; 通过使用高阶互调模型的系数和由发射机输出的第二基带信号来产生第二数字信号; 并且利用第二数字信号抵消由接收机输出的数字信号的干扰。 通过使用本发明，可以有效地消除多载波发射机对接收机的高阶互调干扰，因此降低了双工器设计的难度和抑制度的要求。
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公开(公告)号：US09762376B2
公开(公告)日：2017-09-12
申请号：US15203538
申请日：2016-07-06
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mengda Mao , Siqing Ye , Qian Yin , Tao Pu
CPC classification number: H04L5/1461 , H04B1/0475 , H04B1/525 , H04L27/2626 , H04L27/2647 , H04L27/368
Abstract: A method, an apparatus, and a transceiver for cancelling multi-carrier transmission interference are provided. The method includes: collecting a high order intermodulation signal in radio frequency signals output by a transmitter; processing the high order intermodulation signal so as to generate a first digital signal; establishing a high order intermodulation model by using the first digital signal and a first baseband signal output by the transmitter; generating a second digital signal by using a coefficient of the high order intermodulation model and a second baseband signal output by the transmitter; and counteracting interference in a digital signal output by a receiver with the second digital signal. By using the embodiments of the embodiments of the invention, high order intermodulation interference of a multi-carrier transmitter on a receiver can be effectively canceled, and therefore, difficulty in duplexer design and requirements on a suppression degree are reduced.
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公开(公告)号：US20170237455A1
公开(公告)日：2017-08-17
申请号：US15585642
申请日：2017-05-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Siqing Ye , Jinming Wang , Erni Zhu , Chen Wang , Lan You
CPC classification number: H04B1/0475 , H03F1/3247 , H03F3/19 , H03F3/21 , H03F3/24 , H03F2200/102 , H03F2200/451 , H03F2201/3233 , H04B2001/0408 , H04L25/49
Abstract: An analog predistorter (APD) core module including a radio frequency delay module, an envelope module, and a contact matrix module. The radio frequency delay module is configured to receive a feed-forward radio frequency signal, generate multiple radio frequency delay signals with different delays according to the feed-forward radio frequency signal, and output each radio frequency delay signal to the contact matrix module. The envelope module is configured to receive the feed-forward radio frequency signal, perform envelope detection on the feed-forward radio frequency signal to obtain multiple envelope signals with different delays, and output each envelope signal to the contact matrix module. The contact matrix module is configured to receive each radio frequency delay signal, each envelope signal, and a predistortion coefficient from an exterior source, and generate a predistortion signal according to the predistortion coefficient, each radio frequency delay signal, and each envelope signal.
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