Patents by Inventor Yangjian Chen

Yangjian Chen 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).

  • Publication number: 20240088923
    Abstract: Wireless receiver systems and methods for user equipment are described that employ multiple receiver heads. The multiple heads can receive wireless communication signals over different receive paths from different transmission sources. The systems can scan and monitor signal quality from all receiver heads during a scheduled gap in a communication link without interfering with an ongoing communication session.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: MEDIATEK Singapore Pte. Ltd.
    Inventors: Yangjian Chen, Jonathan Richard Strange, Yabo Li, Ganning Yang, Wei-Yu Lai, Wei-Jen Chen
  • Patent number: 11863216
    Abstract: Wireless receiver systems and methods for user equipment are described that employ multiple receiver heads. The multiple heads can receive wireless communication signals over different receive paths from different transmission sources. The systems can scan and monitor signal quality from all receiver heads during a scheduled gap in a communication link without interfering with an ongoing communication session.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: January 2, 2024
    Assignee: MEDIATEK Singapore Pte. Ltd.
    Inventors: Yangjian Chen, Jonathan Richard Strange, Yabo Li, Ganning Yang, Wei-Yu Lai, Wei-Jen Chen
  • Patent number: 11663484
    Abstract: Embodiments of the present application disclose a content generation method and apparatus. The method includes: acquiring product description information; selecting, by using a deep neural network model component, a content phrase matched with the product description information, wherein the deep neural network model component is obtained by training according to a plurality of pieces of historical product description information and historical content of the historical product description information; and generating content corresponding to the product description information based on the selected content phrase.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: May 30, 2023
    Assignee: Alibaba Group Holding Limited
    Inventors: Qunmeng Zheng, Jianxing Xiao, Zhiqiang Zhang, Yongliang Wang, Mu Li, Yangjian Chen, Yuqi Chen
  • Publication number: 20210218426
    Abstract: Wireless receiver systems and methods for user equipment are described that employ multiple receiver heads. The multiple heads can receive wireless communication signals over different receive paths from different transmission sources. The systems can scan and monitor signal quality from all receiver heads during a scheduled gap in a communication link without interfering with an ongoing communication session.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 15, 2021
    Applicant: MEDIATEK Singapore Pte. Ltd.
    Inventors: Yangjian Chen, Jonathan Richard Strange, Yabo Li, Ganning Yang, Wei-Yu Lai, Wei-Jen Chen
  • Patent number: 10419046
    Abstract: A quadrature transmitter includes a first and second matched transmitter path. Each transmitter path receives respective sets of quadrature baseband signals. At least one local oscillator port receives respective sets of quadrature LO signals. Mixer stage(s) respectively multiply the sets of quadrature baseband signals with the respective sets of quadrature LO signals to produce a respective output radio frequency signal. A combiner combines the output RF signals. The first set of quadrature signals is a substantially 45° phase shifted version of the second set of quadrature signals; and the first set of quadrature LO signals is a reverse substantially 45° phase shifted version of the second set of quadrature LO signals. A baseband error correction circuit corrects a phase error between the quadrature baseband signals at baseband and a LO error correction circuit corrects a phase error between the quadrature baseband signals at a LO frequency.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: September 17, 2019
    Assignee: MediaTek Singapore Pte. Ltd
    Inventors: Yangjian Chen, Bernard Mark Tenbroek, Chien-Wei Tseng, Ian Tseng, Ming-Da Tsai, Chien-Cheng Lin
  • Publication number: 20190205750
    Abstract: Embodiments of the present application disclose a content generation method and apparatus. The method includes: acquiring product description information; selecting, by using a deep neural network model component, a content phrase matched with the product description information, wherein the deep neural network model component is obtained by training according to a plurality of pieces of historical product description information and historical content of the historical product description information; and generating content corresponding to the product description information based on the selected content phrase.
    Type: Application
    Filed: December 21, 2018
    Publication date: July 4, 2019
    Inventors: Qunmeng ZHENG, Jianxing XIAO, Zhiqiang ZHANG, Yongliang WANG, Mu LI, Yangjian CHEN, Yuqi CHEN
  • Patent number: 10171034
    Abstract: A harmonic-rejection mixer apparatus includes a mixing circuit and a combining circuit. The mixing circuit receives mixes an input signal and a first local oscillator (LO) signal to generate a first output signal, and mixes the same input signal and a second LO signal to generate a second output signal, wherein the first LO signal and the second LO signal have a same frequency but different phases. The combining circuit combines the first output signal and the second output signal, wherein harmonic rejection is at least achieved by combination of the first output signal and the second output signal.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: January 1, 2019
    Assignee: MEDIATEK INC.
    Inventors: Chien-Wei Tseng, Ian Tseng, Ming-Da Tsai, Yangjian Chen, Chien-Cheng Lin
  • Publication number: 20180302111
    Abstract: A quadrature transmitter includes a first and second matched transmitter path. Each transmitter path receives respective sets of quadrature baseband signals. At least one local oscillator port receives respective sets of quadrature LO signals. Mixer stage(s) respectively multiply the sets of quadrature baseband signals with the respective sets of quadrature LO signals to produce a respective output radio frequency signal. A combiner combines the output RF signals. The first set of quadrature signals is a substantially 45° phase shifted version of the second set of quadrature signals; and the first set of quadrature LO signals is a reverse substantially 45° phase shifted version of the second set of quadrature LO signals. A baseband error correction circuit corrects a phase error between the quadrature baseband signals at baseband and a LO error correction circuit corrects a phase error between the quadrature baseband signals at a LO frequency.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 18, 2018
    Inventors: Yangjian Chen, Bernard Mark Tenbroek, Chien-Wei Tseng, Ian Tseng, Ming-Da Tsai, Chien-Cheng Lin
  • Patent number: 10009050
    Abstract: A quadrature transmitter is described that comprises: a first transmitter path and a second transmitter path that are matched. Each transmitter path comprises: at least one input arranged to receive respective first or second sets of quadrature baseband signals; at least one local oscillator, LO, port configured to receive respective first and second sets of quadrature LO signals; at least one mixer stage coupled to the at least one input and configured to respectively multiply the sets of quadrature baseband signals with the respective first or second sets of quadrature LO signals to produce a respective output radio frequency, RF, signal; and a combiner configured to combine the output radio frequency signals of the first transmitter path and the second transmitter path.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: June 26, 2018
    Assignee: MediaTek Singapore Pte. Ltd.
    Inventors: Yangjian Chen, Bernard Mark Tenbroek, Chien-Wei Tseng, Ian Tseng, Ming-Da Tsai, Chien-Cheng Lin
  • Patent number: 9949217
    Abstract: A method of transmit power control in a mobile telecommunications device is provided. One of a plurality of signal paths providing different output power and different gains is assigned in a first gain adjustment and a first power measurement in a current time slot. The same one of the signal paths is assigned in at least a second gain adjustment and a second power measurement in the same current time slot.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: April 17, 2018
    Assignee: MEDIATEK SINGAPORE PTE. LTD.
    Inventors: Hsin-Hung Chen, Yangjian Chen, Paul Muller, Hsiang-Hui Chang, Bernard Mark Tenbroek
  • Patent number: 9922763
    Abstract: A transformer includes a first winding conductor and a second winding conductor, magnetically coupled to the first winding conductor. A first transformation ratio is achieved between the second winding conductor and the first winding conductor. A first distance between the first winding conductor and the second winding conductor is higher than a distance threshold, and accordingly, a first coupling factor between the first winding conductor and the second winding conductor is lower than a coupling factor threshold.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: March 20, 2018
    Assignee: MEDIATEK SINGAPORE PTE. LTD.
    Inventors: Yangjian Chen, Bernard Mark Tenbroek
  • Publication number: 20170346510
    Abstract: A quadrature transmitter is described that comprises: a first transmitter path and a second transmitter path that are matched. Each transmitter path comprises: at least one input arranged to receive respective first or second sets of quadrature baseband signals; at least one local oscillator, LO, port configured to receive respective first and second sets of quadrature LO signals; at least one mixer stage coupled to the at least one input and configured to respectively multiply the sets of quadrature baseband signals with the respective first or second sets of quadrature LO signals to produce a respective output radio frequency, RF, signal; and a combiner configured to combine the output radio frequency signals of the first transmitter path and the second transmitter path.
    Type: Application
    Filed: December 2, 2016
    Publication date: November 30, 2017
    Inventors: Yangjian Chen, Bernard Mark Tenbroek, CHIEN-WEI TSENG, Ian Tseng, Ming-Da Tsai, Chien-Cheng Lin
  • Publication number: 20170294878
    Abstract: A harmonic-rejection mixer apparatus includes a mixing circuit and a combining circuit. The mixing circuit receives mixes an input signal and a first local oscillator (LO) signal to generate a first output signal, and mixes the same input signal and a second LO signal to generate a second output signal, wherein the first LO signal and the second LO signal have a same frequency but different phases. The combining circuit combines the first output signal and the second output signal, wherein harmonic rejection is at least achieved by combination of the first output signal and the second output signal.
    Type: Application
    Filed: March 20, 2017
    Publication date: October 12, 2017
    Inventors: Chien-Wei Tseng, Ian Tseng, Ming-Da Tsai, Yangjian Chen, Chien-Cheng Lin
  • Publication number: 20160118180
    Abstract: A transformer includes a first winding conductor and a second winding conductor, magnetically coupled to the first winding conductor. A first transformation ratio is achieved between the second winding conductor and the first winding conductor. A first distance between the first winding conductor and the second winding conductor is higher than a distance threshold, and accordingly, a first coupling factor between the first winding conductor and the second winding conductor is lower than a coupling factor threshold.
    Type: Application
    Filed: October 27, 2015
    Publication date: April 28, 2016
    Inventors: Yangjian Chen, Bernard Mark Tenbroek
  • Publication number: 20160112958
    Abstract: A method of transmit power control in a mobile telecommunications device is provided. One of a plurality of signal paths providing different output power and different gains is assigned in a first gain adjustment and a first power measurement in a current time slot. The same one of the signal paths is assigned in at least a second gain adjustment and a second power measurement in the same current time slot.
    Type: Application
    Filed: October 16, 2015
    Publication date: April 21, 2016
    Inventors: Hsin-Hung Chen, Yangjian Chen, Paul Muller, Hsiang-Hui Chang, Bernard Mark Tenbroek
  • Patent number: 7573347
    Abstract: A digitally controlled oscillator device includes a programming input, a selection input and an oscillator core with a first capacitive element which is frequency determining and programmable. The first capacitive element is coupled to the programming input that receives a first data word by which an oscillating frequency of the oscillator device is programmed with a predetermined frequency step size. The oscillator device further includes a selection unit for selecting a mode which is coupled to the selection input that receives a mode selection signal. The mode is selectable from a plurality of modes depending on the mode selection signal and each mode from the plurality of modes is characterized by a predetermined frequency step size. The digitally controlled oscillator device also includes a deattenuation amplifier.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: August 11, 2009
    Assignee: Infineon Technologies AG
    Inventors: Thomas Mayer, Yangjian Chen, Tindaro Pittorino, Linus Maurer, Volker Neubauer
  • Patent number: 7420485
    Abstract: A sigma-delta modulator is supplied with a data word and includes a first and at least one further modulation stage, each having at least two adders. The adders in the first modulation stage process a low-significance component and a delayed more significant component of the data word and provide a result word and a carry at their respective outputs. The adders in the at least one further modulation stage process a low-significance component and a more significant component of the result word and provide a further result word and a carry at their respective outputs. The low-significance component and the more significant component of the result word are provided to the further modulation stages with an unvarying delay. A bit stream is derived from a carry from final instances of the at least two adders in the first modulation stage and in the further modulation stage respectively.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: September 2, 2008
    Assignee: Infineon Technologies AG
    Inventors: Volker Neubauer, Thomas Mayer, Tindaro Pittorino, Yangjian Chen, Linus Maurer
  • Publication number: 20070241951
    Abstract: A sigma-delta modulator is supplied with a data word and includes a first and at least one further modulation stage, each having at least two adders. The adders in the first modulation stage process a low-significance component and a delayed more significant component of the data word and provide a result word and a carry at their respective outputs. The adders in the at least one further modulation stage process a low-significance component and a more significant component of the result word and provide a further result word and a carry at their respective outputs. The low-significance component and the more significant component of the result word are provided to the further modulation stages with an unvarying delay. A bit stream is derived from a carry from final instances of the at least two adders in the first modulation stage and in the further modulation stage respectively.
    Type: Application
    Filed: March 23, 2007
    Publication date: October 18, 2007
    Inventors: Volker Neubauer, Thomas Mayer, Tindaro Pittorino, Yangjian Chen, Linus Maurer
  • Publication number: 20070222526
    Abstract: A digitally controlled oscillator device includes a programming input, a selection input and an oscillator core with a first capacitive element which is frequency determining and programmable. The first capacitive element is coupled to the programming input that receives a first data word by which an oscillating frequency of the oscillator device is programmed with a predetermined frequency step size. The oscillator device further includes a selection unit for selecting a mode which is coupled to the selection input that receives a mode selection signal. The mode is selectable from a plurality of modes depending on the mode selection signal and each mode from the plurality of modes is characterized by a predetermined frequency step size. The digitally controlled oscillator device also includes a deattenuation amplifier.
    Type: Application
    Filed: April 10, 2006
    Publication date: September 27, 2007
    Inventors: Thomas Mayer, Yangjian Chen, Tindaro Pittorino, Linus Maurer, Volker Neubauer