Patents by Inventor Jian Dang

Jian Dang 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: 20190191383
    Abstract: Provided is a wireless communication apparatus for a non-orthogonal multiple access communication system. The apparatus comprises: a power adjustment unit which is used, for at least some of user equipment included in the communication system, dynamically adjusting the sending power of each of the at least some of the user equipment for each sub-carrier according to channel state information about the communication system, in order that the at least some of the user equipment perform uplink data transmission on corresponding sub-carriers with the adjusted sending power. According to the disclosed apparatus, method and system, at least one of the following technical benefits could be obtained: increasing the channel capacity of the communication system; reducing the bit error rate during the communication; and reducing the interference between corresponding user equipment in the communication system.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 20, 2019
    Applicant: Sony Corporation
    Inventors: Jian DANG, Zaichen ZHANG, Liang WU, Chao WEI, Yu SHI
  • Publication number: 20190165976
    Abstract: Provided are an apparatus and method for a sending end and a receiving end of a wireless communication system, and a soft information estimator. The apparatus for the sending end of the wireless communication system comprises: an interleave division multiple access unit configured to perform interleave processing on information to be sent; and a filter bank multi-carrier unit configured to use a specific sub-carrier chosen in advance to transmit the interleaved information in a parallel manner.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 30, 2019
    Applicant: Sony Corporation
    Inventors: Jian Dang, Jianqing DOU, Yu SHI, Zaichen ZHANG, Liang WU, Penshun LU
  • Patent number: 10305538
    Abstract: The present disclosure provides a signal processing system and method for a non-orthogonal multiple access communication system, a base station and a user equipment. The signal processing system is configured to perform interleaving processing on information to be transmitted subjected to modulation processing. The signal processing system can obtain at least one of the following beneficial effects: capable of saving length of an interleaver; and capable of obtaining more diversity gain.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 28, 2019
    Assignee: Sony Corporation
    Inventors: Jian Dang, Zaichen Zhang, Yu Shi, Chao Wei
  • Publication number: 20190141545
    Abstract: Provided are an apparatus and method for a hybrid multiple access wireless communication system. The apparatus comprises: a parameter acquisition unit configured to acquire a relevant parameter of a hybrid multiple access wireless communication system; and a sub-carrier allocation unit configured to use the relevant parameter to allocate sub-carriers to each user equipment with the purpose of optimizing overall communication quality of the hybrid multiple access wireless communication system.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 9, 2019
    Applicant: SONY CORPORATION
    Inventors: Jian DANG, Jianqing DOU, Yu SHI, Zaichen ZHANG, Liang WU, Pen-shun LU
  • Patent number: 10284279
    Abstract: In a wireless communications system, a base station includes a first number of antennas and a smaller second number of radio frequency links. A base station apparatus includes: a rough arrival angle estimation unit, which estimates a rough arrival angle pair by a second number of antennas and a second number of radio frequency links; a candidate arrival angle estimation unit, which determines a candidate arrival angle pair based on a rough arrival angle pair and beam widths determined by a first number and a second number of antennas, respectively; and a precise arrival angle determination unit, which calculates the difference between the projection component and real component for the candidate arrival angle pairs based on a training tone from the user equipment, and designates the candidate arrival angle pair with the smallest difference between those components as the precise arrival angle pair.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: May 7, 2019
    Assignee: SONY CORPORATION
    Inventors: Liang Wu, Zaichen Zhang, Weiwei Qin, Lili Zheng, Jian Dang
  • Patent number: 10277348
    Abstract: The present invention provides a method and device for performing interference coordination in a wireless communication system. The wireless communication system comprises a plurality of user terminals. The method comprises: determining, according information acquired from user terminals, arrival angles of signals sent by the user terminals; and selecting a user terminal that needs a service according to the arrival angles of the signals sent by the user terminals.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: April 30, 2019
    Assignee: SONY CORPORATION
    Inventors: Liang Wu, Zaichen Zhang, Jian Dang, Yingying Yu, Weiwei Qin
  • Patent number: 10271286
    Abstract: Provided is a wireless communication apparatus for a non-orthogonal multiple access communication system. The apparatus comprises: a power adjustment unit which is used, for at least some of user equipment included in the communication system, dynamically adjusting the sending power of each of the at least some of the user equipment for each sub-carrier according to channel state information about the communication system, in order that the at least some of the user equipment perform uplink data transmission on corresponding sub-carriers with the adjusted sending power. According to the disclosed apparatus, method and system, at least one of the following technical benefits could be obtained: increasing the channel capacity of the communication system; reducing the bit error rate during the communication; and reducing the interference between corresponding user equipment in the communication system.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: April 23, 2019
    Assignee: SONY CORPORATION
    Inventors: Jian Dang, Zaichen Zhang, Liang Wu, Chao Wei, Yu Shi
  • Publication number: 20180309478
    Abstract: The present disclosure provides a signal processing system and method for a non-orthogonal multiple access communication system, a base station and a user equipment. The signal processing system is configured to perform interleaving processing on information to be transmitted subjected to modulation processing. The signal processing system can obtain at least one of the following beneficial effects: capable of saving length of an interleaver; and capable of obtaining more diversity gain.
    Type: Application
    Filed: June 26, 2018
    Publication date: October 25, 2018
    Applicant: Sony Corporation
    Inventors: Jian Dang, Zaichen Zhang, Yu Shi, Chao Wei
  • Publication number: 20180287687
    Abstract: In a wireless communications system, a base station includes a first number of antennas and a smaller second number of radio frequency links. A base station apparatus includes: a rough arrival angle estimation unit, which estimates a rough arrival angle pair by a second number of antennas and a second number of radio frequency links; a candidate arrival angle estimation unit, which determines a candidate arrival angle pair based on a rough arrival angle pair and beam widths determined by a first number and a second number of antennas, respectively; and a precise arrival angle determination unit, which calculates the difference between the projection component and real component for the candidate arrival angle pairs based on a training tone from the user equipment, and designates the candidate arrival angle pair with the smallest difference between those components as the precise arrival angle pair.
    Type: Application
    Filed: October 27, 2016
    Publication date: October 4, 2018
    Applicant: Sony Corporation
    Inventors: Liang WU, Zaichen ZHANG, Weiwei QIN, Lili ZHENG, Jian DANG
  • Publication number: 20180287727
    Abstract: A small cell interference coordination method and wireless communication device. The method includes: obtaining mobile information of at least one of the small cells; determining relative movement between the small cells according to at least the movement information; estimating a Doppler frequency shift of a signal between small cells according to the relative movement; and implementing an interference alignment policy between small cells according to the estimated Doppler frequency shift.
    Type: Application
    Filed: November 30, 2015
    Publication date: October 4, 2018
    Applicant: SONY CORPORATION
    Inventors: Liang WU, Zaichen ZHANG, Jian DANG, Yingying YU, Weiwei QIN
  • Patent number: 10014905
    Abstract: The present disclosure provides a signal processing system and method for a non-orthogonal multiple access communication system, a base station and a user equipment. The signal processing system is configured to perform interleaving processing on information to be transmitted subjected to modulation processing. The signal processing system can obtain at least one of the following beneficial effects: capable of saving length of an interleaver; and capable of obtaining more diversity gain.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: July 3, 2018
    Assignee: SONY CORPORATION
    Inventors: Jian Dang, Zaichen Zhang, Yu Shi, Chao Wei
  • Publication number: 20180097576
    Abstract: The present invention provides a method and device for performing interference coordination in a wireless communication system. The wireless communication system comprises a plurality of user terminals. The method comprises: determining, according information acquired from user terminals, arrival angles of signals sent by the user terminals; and selecting a user terminal that needs a service according to the arrival angles of the signals sent by the user terminals.
    Type: Application
    Filed: March 16, 2016
    Publication date: April 5, 2018
    Applicant: Sony Corporation
    Inventors: Liang WU, Zaichen ZHANG, Jian DANG, Yingying YU, Weiwei QIN
  • Publication number: 20180083805
    Abstract: An electronic device in a wireless communications system, the wireless communications system, and a method. The electronic device includes: a reception unit, configured to receive a signal from another electronic device in a wireless communications system; an analysis filtering unit, configured to set an analysis filter group according to a parameter of a non-perfect reconstruction filter group, decompose, by using the analysis filter group, signals received by the reception unit into multiple paths of sub-band signals and perform analysis filtering; and an interference cancellation unit, configured to, for each path of sub-band signals among multiple paths of sub-band signals, cancel inter-band interference in each path of sub-band signals according to each path of sub-band signals and neighboring sub-band signals thereof.
    Type: Application
    Filed: March 23, 2016
    Publication date: March 22, 2018
    Applicant: SONY CORPORATION
    Inventors: Jian DANG, Nan XIANG
  • Publication number: 20180027499
    Abstract: Provided is a wireless communication apparatus for a non-orthogonal multiple access communication system. The apparatus comprises: a power adjustment unit which is used, for at least some of user equipment included in the communication system, dynamically adjusting the sending power of each of the at least some of the user equipment for each sub-carrier according to channel state information about the communication system, in order that the at least some of the user equipment perform uplink data transmission on corresponding sub-carriers with the adjusted sending power. According to the disclosed apparatus, method and system, at least one of the following technical benefits could be obtained: increasing the channel capacity of the communication system; reducing the bit error rate during the communication; and reducing the interference between corresponding user equipment in the communication system.
    Type: Application
    Filed: February 16, 2016
    Publication date: January 25, 2018
    Inventors: Jian DANG, Zaichen ZHANG, Liang WU, Chao WEI, Yu SHI
  • Publication number: 20170033832
    Abstract: The present disclosure provides a signal processing system and method for a non-orthogonal multiple access communication system, a base station and a user equipment. The signal processing system is configured to perform interleaving processing on information to be transmitted subjected to modulation processing. The signal processing system can obtain at least one of the following beneficial effects: capable of saving length of an interleaver; and capable of obtaining more diversity gain.
    Type: Application
    Filed: July 20, 2016
    Publication date: February 2, 2017
    Applicant: Sony Corporation
    Inventors: Jian DANG, Zaichen ZHANG, Yu SHI, Chao WEI
  • Patent number: 8867587
    Abstract: The present invention is a double-layer multi-carrier ultra-wideband wireless communication method, wherein the frequency band for ultra-wideband communication is divided into a plurality of sub-bands, then one or more sub-bands are used for data transmission, and the Orthogonal Frequency Division Multiplex (OFDM) multi-carrier transmission technology is used in each sub-band. In the transmitting party, the data symbols to be transmitted are allocated on M branches corresponding to the M sub-bands, and the OFDM modulation is implemented on the data symbols on each branch to obtain M branches of parallel data, then digital baseband multi-carrier modulation is implemented on the M branches of parallel data. Thereby, the spectrum of data on each branch is moved onto the digital sub-band corresponding to the radio sub-band one to one, so the digital baseband signal of the radio signal to be transmitted is obtained.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: October 21, 2014
    Assignee: Southeast University
    Inventors: Zaichen Zhang, Jian Dang, Xiaoyan Wang, Guangguo Bi, Xutao Yu
  • Publication number: 20130337868
    Abstract: Embodiments of the present invention disclose a method and a terminal for using a mobile memory card to boot up a mobile phone operating system. The method according to the embodiments of the present invention includes: detecting whether a mobile memory card is available upon startup; if it is detected that a mobile memory card is available, detecting whether an operating system is available in the mobile memory card; and if it is detected that an operating system is available in the mobile memory card, loading the operating system to start up a terminal. The method according to the embodiments of the present invention implements the function of loading an operating system from a mobile memory card to start up a terminal, and compared with the prior art, does not require programming of the operating system in a flash memory.
    Type: Application
    Filed: June 18, 2013
    Publication date: December 19, 2013
    Applicant: Huawei Device Co., Ltd.
    Inventor: Jian DANG
  • Publication number: 20120269234
    Abstract: The present invention is a double-layer multi-carrier ultra-wideband wireless communication method, wherein the frequency band for ultra-wideband communication is divided into a plurality of sub-bands, then one or more sub-bands are used for data transmission, and the Orthogonal Frequency Division Multiplex (OFDM) multi-carrier transmission technology is used in each sub-band. In the transmitting party, the data symbols to be transmitted are allocated on M branches corresponding to the M sub-bands, and the OFDM modulation is implemented on the data symbols on each branch to obtain M branches of parallel data, then digital baseband multi-carrier modulation is implemented on the M branches of parallel data. Thereby, the spectrum of data on each branch is moved onto the digital sub-band corresponding to the radio sub-band one to one, so the digital baseband signal of the radio signal to be transmitted is obtained.
    Type: Application
    Filed: December 29, 2009
    Publication date: October 25, 2012
    Inventors: Zaichen Zhang, Jian Dang, Xiaoyan Wang, Guangguo Bi, Xutao Yu