Patents by Inventor Qinghua Yang

Qinghua Yang 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: 20140288985
    Abstract: Disclosed are methods, apparatus, systems, and computer readable storage media for managing objectives in an organization. A server may receive an objective at a first level of an objective hierarchy. The objective may be associated with a completion indicator providing progress towards completing the objective. Other objectives at a lower level of the objective hierarchy may be determined. The other objectives may also include completion indicators. The progress of the completion indicator of the objective at the first level of the objective hierarchy may be based on the completion indicators of the objectives at the lower level of the objective hierarchy.
    Type: Application
    Filed: June 3, 2014
    Publication date: September 25, 2014
    Inventors: Daniel Debow, Maksim Ovsyannikov, Woodson Jackson Martin, Austin Tam, Ryan Allan Dewsbury, Alan O'Conner, Marcus Gosling, Qinghua Yang Qinghua Yang, Nathan Bradshaw, Margaret Cryzan, Renato Bellia, James Fai-Kuen Tam, Alex Ovesea, Iurie Cangea, Tihomir Bajic, Jager McConnell, Ciara Peter
  • Patent number: 8718689
    Abstract: A method for displaying related information in a mobile communication terminal includes: acquiring information of the contact stored in the mobile communication terminal, searching for media information in the mobile communication terminal according to the information of the contact and acquiring media information matched with the information of the contact, and displaying the media information matched with the information of the contact. The method and terminal involved in the present invention enable a mobile communication terminal user to search for media information related to a contact through the contact and meanwhile can further view the information of the contact related to the media information through the media information, by associating media files with contacts.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: May 6, 2014
    Assignee: Huawei Device Co., Ltd.
    Inventors: Wei Gao, Qinghua Yang, Huitao Cao, Xiaodong Geng, Mingwang Zhang, Wencai Dong, Weiwei Luo
  • Patent number: 8428160
    Abstract: The present invention discloses a multi-carrier digital multimedia broadcast system and the digital information transmission method thereof. After RS encoding and byte interleaving, LDPC encoding, bit interleaving and constellation mapping to an upper layer of data streams in turn, the obtained data symbol is multiplexed with scattered pilots and continual pilots which include the system information to form an OFDM frequency domain symbol and scrambled; an OFDM time domain symbol is generated by IFFT transforming, and after inserted with the frame head to build a time slot, it is connected to form a signal frame of the physical layer; the signal frame of the physical layer is transmitted after being low-pass filtered and orthogonal upconverted. The system and method thereof provide wireless broadcast with high quality such as audio, video and multimedia data and the like for mobile, fixed and portable receivers, and can use the satellite transmission and terrestrial transmission method for transmitting.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: April 23, 2013
    Assignee: TIMI Technologies Co., Ltd.
    Inventors: Tao Tao, Dong Bai, Qihong Ge, Huishi Song, Wen Chen, Yibin Liang, Qinghua Yang, Lian Wang, Qun Li, Hongbing Shen
  • Patent number: 8335963
    Abstract: The present invention relates to a method for constructing LPDC code check matrix and encoding and decoding devices using the same. The present invention constructs the LDPC code check matrix using an algebraic structure, obtaining the LDPC code with stable performance.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: December 18, 2012
    Assignee: Timi Technologies Co., Ltd.
    Inventors: Dong Bai, Binbin Liu, Tao Tao, Qihong Ge, Wen Chen, Huishi Song, Qun Li, Hongbing Shen, Qinghua Yang
  • Patent number: 8321747
    Abstract: An efficient general QC-LDPC code decoder includes a general-purpose processor for distributing the storage storage space of the data memory block, and establishing an index for data addressing; a data memory block for storing the information used during decoding; a hardware accelerator for conducting part or all of the information processing operations including parity check, check node updating and variable node updating. A corresponding QC-LDPC code decoding method includes initializing the variable node information and performing parity check on the check matrix row block by row block; updating the check node row block by row block and updating the variable node column block by column block if any check equation is not met.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: November 27, 2012
    Assignee: TIMI Technologies Co., Ltd.
    Inventors: Dong Bai, Tao Tao, Qun Li, Ju Ma, Qinghua Yang, Qiusheng Wang, Ruirui Ye, Wen Chen, Xiaowei Cao, Hongbing Shen
  • Publication number: 20120244894
    Abstract: A method for displaying related information in a mobile communication terminal includes: acquiring information of the contact stored in the mobile communication terminal, searching for media information in the mobile communication terminal according to the information of the contact and acquiring media information matched with the information of the contact, and displaying the media information matched with the information of the contact. The method and terminal involved in the present invention enable a mobile communication terminal user to search for media information related to a contact through the contact and meanwhile can further view the information of the contact related to the media information through the media information, by associating media files with contacts.
    Type: Application
    Filed: June 7, 2012
    Publication date: September 27, 2012
    Applicant: Huawei Device Co., Ltd.
    Inventors: Wei GAO, Qinghua YANG, Huitao CAO, Xiaodong GENG, Mingwang ZHANG, Wencai DONG, Weiwei LUO
  • Patent number: 8255782
    Abstract: A method for constructing LDPC (Low-Density Parity-Check) code in the mobile digital multimedia broadcast system is provided, wherein the Low-Density Parity-Check matrix of the LDPC code is iteratively constructed according to a code-table and expansion method, and the code-table is a part of the constructed Low-Density Parity-Check matrix. According to the constructing method of the present invention, the LDPC code having excellent performance of error correcting coding which is applicable to the mobile digital multimedia broadcast system.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: August 28, 2012
    Assignee: TIMI Technologies Co., Ltd.
    Inventors: Huishi Song, Hongbing Shen, Qun Li, Qinghua Yang, Wen Chen
  • Patent number: 8176383
    Abstract: The present invention relates to a method of constructing a low density Parity Check code, a method of decoding the same and a transmission system using the same. The method comprises steps of: constructing a low density Parity Check matrix of the low density Parity Check code by using a fixed pattern; blocking data sent from an information source (101), encoding the data by directly or indirectly using the constructed low density Parity Check matrix to obtain codewords of the low density Parity Check code; and outputting the codewords of the low density Parity Check code. The low density Parity Check code can be encoded by using the Parity Check matrix or a generation matrix. According to the proposed constructing method, a Parity Check matrix of a low density Parity Check code having excellent performance, a method of constructing the low density Parity Check code and a complexity-reduced decoding method can be obtained.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: May 8, 2012
    Assignee: TIMI Technologies Co., Ltd.
    Inventors: Huishi Song, Wen Chen, Hongbing Shen, Qinghua Yang
  • Patent number: 8139622
    Abstract: A system and method for generating and detecting identifier sequence of a bandwidth-limited transmitter are disclosed, comprising an identifier sequence generating portion and a detection portion. The identifier sequence generating portion comprises: generating a frequency-domain random sequence; generating a frequency-domain orthogonal sequence; performing frequency-domain truncation; performing frequency-time transformation; and performing cycle extension.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: March 20, 2012
    Assignee: TIMI Technologies Co., Ltd.
    Inventors: Junwei Wang, Qihong Ge, Tao Tao, Dong Bai, Wen Chen, Qinghua Yang, Qun Li
  • Publication number: 20110239077
    Abstract: The present invention relates to a method for constructing LPDC code check matrix and encoding and decoding devices using the same. The encoding device encodes the inputted binary information and outputs the encoded system code sequence of position transformation. The encoding device comprises: a matrix multiplication module outputting a check sequence p which is obtained through the binary information sequence m multiplied with a matrix; a sorting index module having N memory units storing index values of a sorting table IDX in turn; and a sorting output module for sorting the m and p and outputting a code word c based on the index value stored in the sorting index table. The present invention constructs the LDPC code check matrix using an algebraic structure, obtaining the LDPC code with stable performance. In addition, the encoding and decoding devices of the present invention occupy less memory, which is preferable for optimization of the devices.
    Type: Application
    Filed: November 16, 2006
    Publication date: September 29, 2011
    Inventors: Dong Bai, Binbin Liu, Tao Tao, Qihong Ge, Wen Chen, Huishi Song, Qun Li, Hongbing Shen, Qinghua Yang
  • Patent number: 7978593
    Abstract: A method for transmitting control information to indicate a receiver, comprising following steps: the control information is formed at transmitting side and is encoded based on the working status of the transmitting side of the system; after the encoded control information is mapped, it is multiplexed with other pilot symbol and service load, then an OFDM symbol is generated; the OFDM symbol is transformed from frequency domain to time domain, then a time domain sampling signal is obtained and transmitted to the receiving side of the system; at the receiving side, the time domain sampling signal transmitted by the transmitting side is received and transformed from time domain to frequency domain to form OFDM symbol; the control information is obtained from the valid sub carrier of the OFDM symbol, and the control information is decoded; each work information is extracted form the decoded control information, and the receiving terminal is indicated to execute respective receive process based on the extracted w
    Type: Grant
    Filed: November 24, 2006
    Date of Patent: July 12, 2011
    Assignee: Timi Technologies Co., Ltd.
    Inventors: Fajun Yan, Tao Tao, Wen Chen, Qihong Ge, Dong Bai, Qinghua Yang
  • Publication number: 20110051825
    Abstract: The present invention discloses a multi-carrier digital multimedia broadcast system and the digital information transmission method thereof. After RS encoding and byte interleaving, LDPC encoding, bit interleaving and constellation mapping to an upper layer of data streams in turn, the obtained data symbol is multiplexed with scattered pilots and continual pilots which include the system information to form an OFDM frequency domain symbol and scrambled; an OFDM time domain symbol is generated by IFFT transforming, and after inserted with the frame head to build a time slot, it is connected to form a signal frame of the physical layer; the signal frame of the physical layer is transmitted after being low-pass filtered and orthogonal upconverted. The system and method thereof provide wireless broadcast with high quality such as audio, video and multimedia data and the like for mobile, fixed and portable receivers, and can use the satellite transmission and terrestrial transmission method for transmitting.
    Type: Application
    Filed: November 15, 2006
    Publication date: March 3, 2011
    Inventors: Tao Tao, Dong Bai, Qihong Ge, Wen Chen, Yibin Liang, Qinghua Yang, Lian Wang, Qun Li, Hongbing Shen
  • Publication number: 20110044390
    Abstract: A system and method for generating and detecting identifier sequence of a bandwidth-limited transmitter are disclosed, comprising an identifier sequence generating portion and a detection portion. The identifier sequence generating portion comprises: generating a frequency-domain random sequence; generating a frequency-domain orthogonal sequence; performing frequency-domain truncation; performing frequency-time transformation; and performing cycle extension.
    Type: Application
    Filed: November 16, 2006
    Publication date: February 24, 2011
    Inventors: Junwei Wang, Qihong Ge, Tao Tao, Dong Bai, Wen Chen, Qinghua Yang, Qun Li
  • Publication number: 20100192044
    Abstract: An efficient general QC-LDPC code decoder includes a general-purpose processor for distributing the storage space of the data memory block, and establishing an index for data addressing; a data memory block for storing the information used during decoding; a hardware accelerator for conducting part or all of the information processing operations including parity check, check node updating and variable node updating. A corresponding QC-LDPC code decoding method includes initializing the variable node information and performing parity check on the check matrix row block by row block; updating the check node row block by row block and updating the variable node column block by column block if any check equation is not met.
    Type: Application
    Filed: June 19, 2008
    Publication date: July 29, 2010
    Inventors: Dong Bai, Tao Tao, Qun Li, Ju Ma, Qinghua Yang, Qiusheng Wang, Ruirui Ye, Wen Chen, Xiaowei Cao, Hongbing Shen
  • Publication number: 20100180175
    Abstract: A method for constructing LDPC (Low-Density Parity-Check) code in the mobile digital multimedia broadcast system is provided, wherein the Low-Density Parity-Check matrix of the LDPC code is iteratively constructed according to a code-table and expansion method, and the code-table is a part of the constructed Low-Density Parity-Check matrix. According to the constructing method of the present invention, the LDPC code having excellent performance of error correcting coding which is applicable to the mobile digital multimedia broadcast system.
    Type: Application
    Filed: November 13, 2006
    Publication date: July 15, 2010
    Inventors: Huishi Song, Hongbing Shen, Qun Li, Qinghua Yang, Wen Chen
  • Publication number: 20100027695
    Abstract: A method for transmitting control information to indicate a receiver, comprising following steps: the control information is formed at transmitting side and is encoded based on the working status of the transmitting side of the system; after the encoded control information is mapped, it is multiplexed with other pilot symbol and service load, then an OFDM symbol is generated; the OFDM symbol is transformed from frequency domain to time domain, then a time domain sampling signal is obtained and transmitted to the receiving side of the system; at the receiving side, the time domain sampling signal transmitted by the transmitting side is received and transformed from time domain to frequency domain to form OFDM symbol; the control information is obtained from the valid sub carrier of the OFDM symbol, and the control information is decoded; each work information is extracted form the decoded control information, and the receiving terminal is indicated to execute respective receive process based on the extracted w
    Type: Application
    Filed: November 24, 2006
    Publication date: February 4, 2010
    Inventors: Fajun Yan, Tao Tao, Wen Chen, Qihong Ge, Dong Bai, Qinghua Yang
  • Publication number: 20090100311
    Abstract: The present invention relates to a method of constructing a low density Parity Check code, a method of decoding the same and a transmission system using the same. The method comprises steps of: constructing a low density Parity Check matrix of the low density Parity Check code by using a fixed pattern; blocking data sent from an information source (101), encoding the data by directly or indirectly using the constructed low density Parity Check matrix to obtain codewords of the low density Parity Check code; and outputting the codewords of the low density Parity Check code. The low density Parity Check code can be encoded by using the Parity Check matrix or a generation matrix. According to the proposed constructing method, a Parity Check matrix of a low density Parity Check code having excellent performance, a method of constructing the low density Parity Check code and a complexity-reduced decoding method can be obtained.
    Type: Application
    Filed: November 14, 2006
    Publication date: April 16, 2009
    Applicant: TIMI TECHNOLOGIES CO., LTD.
    Inventors: Huishi Song, Wen Chen, Hongbing Shen, Qinghua Yang
  • Patent number: D617288
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: June 8, 2010
    Assignee: Siemens Aktiengesellschaft
    Inventor: Qinghua Yang