Patents by Inventor Siqing Ye
Siqing Ye has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9893748Abstract: 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.Type: GrantFiled: May 3, 2017Date of Patent: February 13, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Siqing Ye, Jinming Wang, Erni Zhu, Chen Wang, Lan You
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Patent number: 9853664Abstract: 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.Type: GrantFiled: December 16, 2016Date of Patent: December 26, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Xingwen Li, Wei Huang, Siqing Ye, Jinming Wang
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Patent number: 9813168Abstract: 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.Type: GrantFiled: March 28, 2016Date of Patent: November 7, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Taofu Mo, Huajiong Lin, Long Luo, Bo Han, Weimin Chen, Siqing Ye, Linjun Lv
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Patent number: 9762376Abstract: 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.Type: GrantFiled: July 6, 2016Date of Patent: September 12, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Mengda Mao, Siqing Ye, Qian Yin, Tao Pu
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Publication number: 20170237455Abstract: 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.Type: ApplicationFiled: May 3, 2017Publication date: August 17, 2017Inventors: Siqing Ye, Jinming Wang, Erni Zhu, Chen Wang, Lan You
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Publication number: 20170149460Abstract: 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.Type: ApplicationFiled: December 16, 2016Publication date: May 25, 2017Inventors: Xingwen Li, Wei Huang, Siqing Ye, Jinming Wang
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Patent number: 9548771Abstract: 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.Type: GrantFiled: June 9, 2015Date of Patent: January 17, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Xingwen Li, Siqing Ye, Yongsheng Wang, Yan Chang
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Patent number: 9544125Abstract: 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.Type: GrantFiled: July 21, 2014Date of Patent: January 10, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Mengda Mao, Siqing Ye, Qian Yin, Tao Pu
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Publication number: 20160315755Abstract: 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.Type: ApplicationFiled: July 6, 2016Publication date: October 27, 2016Inventors: Mengda MAO, Siqing YE, Qian YIN, Tao PU
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Patent number: 9432173Abstract: 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.Type: GrantFiled: July 22, 2014Date of Patent: August 30, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Mengda Mao, Siqing Ye, Qian Yin, Tao Pu
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Publication number: 20160211927Abstract: 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.Type: ApplicationFiled: March 28, 2016Publication date: July 21, 2016Inventors: Taofu Mo, Huajiong Lin, Long Luo, Bo Han, Weimin Chen, Siqing Ye, Linjun Lv
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Publication number: 20150270857Abstract: 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.Type: ApplicationFiled: June 9, 2015Publication date: September 24, 2015Inventors: Xingwen Li, Siqing Ye, Yongsheng Wang, Yan Chang
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Patent number: 9002291Abstract: A standing wave detection method, a standing wave detection apparatus, and a base station are disclosed. The method includes collecting, a feedback signal from a feedback path of a base station which uses a baseband multi-tone signal as a transmission signal; performing calibration on the feedback signal by using stored calibration data to obtain a reflected signal in the feedback signal; and obtaining a standing wave detection value according to the transmission signal and the reflected signal that is in the feedback signal.Type: GrantFiled: August 10, 2012Date of Patent: April 7, 2015Assignee: Huawei Technologies Co., Ltd.Inventors: Shaofeng Xu, Zhengxiang Ma, Siqing Ye, Wei Wang, Pengfei Luo
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Publication number: 20140334349Abstract: 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.Type: ApplicationFiled: July 22, 2014Publication date: November 13, 2014Inventors: Mengda MAO, Siqing YE, Qian YIN, Tao PU
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Publication number: 20140328222Abstract: 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.Type: ApplicationFiled: July 21, 2014Publication date: November 6, 2014Inventors: Mengda MAO, Siqing YE, Qian YIN, Tao PU
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Patent number: 8331509Abstract: A method and a device for cancelling transmitter interference in a transceiver, and a transceiver are provided. The method includes: coupling a part of radio frequency signals output from a transmitter, performing amplification, frequency conversion, analog-digital conversion, and digital filtration on the coupled signal by an interference receiver, and outputting a digital signal; performing adaptive equalization on the digital signal output from the interference receiver, and delaying predetermined time of the digital signal output from a receiver, and subtracting the equalized digital signal from the delayed digital signal.Type: GrantFiled: May 20, 2011Date of Patent: December 11, 2012Assignee: Huawei Technologies Co., Ltd.Inventors: Wei Wang, Tao Pu, Jiefeng Deng, Siqing Ye
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Publication number: 20120309322Abstract: A standing wave detection method, a standing wave detection apparatus, and a base station are disclosed. The method includes collecting, a feedback signal from a feedback path of a base station which uses a baseband multi-tone signal as a transmission signal; performing calibration on the feedback signal by using stored calibration data to obtain a reflected signal in the feedback signal; and obtaining a standing wave detection value according to the transmission signal and the reflected signal that is in the feedback signal.Type: ApplicationFiled: August 10, 2012Publication date: December 6, 2012Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shaofeng Xu, Zhengxiang Ma, Siqing Ye, Wei Wang, Pengfei Luo
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Patent number: 8194788Abstract: A receiver and method for receiving wireless signal are characterized in that a multi-branch correcting and switching module (402) is added, which is used for amplitude and phase correction of multiple digital baseband signals outputted from a multi-branch correction preprocess module (401); then, the signals are switched according to a switching strategy, and one of the corrected digital baseband signals is outputted; finally, the selected digital baseband signal is inputted to a digital receiving path post-stage (403) and further digital processing on the signal is performed, so that a bit stream is outputted. The multiple digital baseband signals are corrected before switching to be consistent with each other in terms of amplitude and phase, and specific synchronization information is not necessary; therefore, the signals can be switched rapidly when the signals are varied and need to be switched, and a rapid track for the signal change is achieved.Type: GrantFiled: November 24, 2008Date of Patent: June 5, 2012Assignee: Huawei Technologies Co., Ltd.Inventor: Siqing Ye
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Publication number: 20110228828Abstract: A method and a device for cancelling transmitter interference in a transceiver, and a transceiver are provided. The method includes: coupling a part of radio frequency signals output from a transmitter, performing amplification, frequency conversion, analog-digital conversion, and digital filtration on the coupled signal by an interference receiver, and outputting a digital signal; performing adaptive equalization on the digital signal output from the interference receiver, and delaying predetermined time of the digital signal output from a receiver, and subtracting the equalized digital signal from the delayed digital signal.Type: ApplicationFiled: May 20, 2011Publication date: September 22, 2011Inventors: Wei WANG, Tao Pu, Jiefeng Deng, Siqing Ye
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Patent number: 8013676Abstract: A high-efficiency power amplifier is provided, including a drive amplifier and a final power amplifier, and further including a first digital pre-distortion (DPD) correction module and a second DPD correction module. The first DPD correction module is configured to pre-distort nonlinear characteristics of drive signals output by the drive amplifier, and the second DPD correction module is connected to the first DPD correction module in series, and is configured to pre-distort nonlinear characteristics of amplified signals output by the final power amplifier. Another high-efficiency power amplifier is also provided, including a drive amplifier and a final power amplifier, and further including a second multi-path control module, a fourth DPD correction module, and a second gating module. The overall efficiency of the high-efficiency power amplifier is increased by improving the working efficiency of the drive amplifier.Type: GrantFiled: June 16, 2010Date of Patent: September 6, 2011Assignee: Huawei Technologies Co., Ltd.Inventors: Yongge Su, Siqing Ye, Dandong He, Weimin Yin, Xikun Zhang, Xiaolun Wang, Qianhua Wei