Patents by Inventor Zhen Bo Zhu

Zhen Bo Zhu 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).

  • Patent number: 9870255
    Abstract: Provided is a hardware accelerator, central processing unit, and computing device. A hardware accelerator includes a task accelerating unit configured to, in response to a request for a new task issued by a hardware thread, accelerate the processing of the new task and produce a processing result for the task; a task time prediction unit configured to predict the total waiting time of the new task for returning to a specified address associated with the hardware thread. One aspect of this disclosure makes the hardware thread aware of the time to be waited for before getting a processing result, facilitating its task planning accordingly.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: January 16, 2018
    Assignee: International Business Machines Corporation
    Inventors: Rui Hou, Yi Ge, Kun Wang, Zhen Bo Zhu
  • Patent number: 9870256
    Abstract: Provided is a hardware accelerator and method, central processing unit, and computing device. A hardware accelerating method includes, in response to a request for a new task issued by a hardware thread, accelerating processing of the new task and producing a processing result for the task. A predicting step predicts total waiting time of the new task for returning to a specified address associated with the hardware thread.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: January 16, 2018
    Assignee: International Business Machines Corporation
    Inventors: Rui Hou, Yi Ge, Kun Wang, Zhen Bo Zhu
  • Patent number: 9538391
    Abstract: An apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: January 3, 2017
    Assignee: International Business Machines Corporation
    Inventors: Yong Hua Lin, Jianbin Tang, Qing Wang, Jun Song Wang, Rong Yan, Hai Zhan, Chao Zhu, Zhen Bo Zhu
  • Publication number: 20160105804
    Abstract: An apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
    Type: Application
    Filed: December 15, 2015
    Publication date: April 14, 2016
    Applicant: International Business Machines Corporation
    Inventors: Yong Hua LIN, Jianbin TANG, Qing WANG, Jun Song WANG, Rong YAN, Hai ZHAN, Chao ZHU, Zhen Bo ZHU
  • Patent number: 9271292
    Abstract: This invention relates to wireless signal process, and discloses a method for interference process of an interference signal in an OFDM based wireless communication system, comprising: receiving an interference signal; performing time domain and frequency domain analyses on the interference signal to obtain interference characteristics of the interference signal; determining an interference category of the interference signal according to the interference characteristics of the interference signal; and performing interference process on the interference signal in view of the interference category of the interference signal. The method for interference signal process of this invention is effective to both homogeneous network interference and heterogeneous network interference, so that frequency spectrum sharing of homogeneous networks and existing heterogeneous networks can be realized.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: February 23, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Xinhao Cheng, Yonghua Lin, Hang Liu, Jianbin Tang, Jun Song Wang, Qing Wang, Xian Wei Yi, Zhen Bo Zhu
  • Patent number: 9247538
    Abstract: An apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: January 26, 2016
    Assignee: International Business Machines Corporation
    Inventors: Yong Hua Lin, Jianbin Tang, Qing Wang, Jun Song Wang, Rong Yan, Hai Zhan, Chao Zhu, Zhen Bo Zhu
  • Patent number: 9191824
    Abstract: A method and apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: November 17, 2015
    Assignee: International Business Machines Corporation
    Inventors: Yong Hua Lin, Jianbin Tang, Qing Wang, Jun Song Wang, Rong Yan, Hai Zhan, Chao Zhu, Zhen Bo Zhu
  • Publication number: 20150319740
    Abstract: An apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
    Type: Application
    Filed: July 15, 2015
    Publication date: November 5, 2015
    Applicant: International Business Machines Corporation
    Inventors: Yong Hua LIN, Jianbin TANG, Qing WANG, Jun Song WANG, Rong YAN, Hai ZHAN, Chao ZHU, Zhen Bo ZHU
  • Patent number: 9125062
    Abstract: A method and apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: September 1, 2015
    Assignee: International Business Machines Corporation
    Inventors: Yong Hua Lin, Jianbin Tang, Qing Wang, Jun Song Wang, Rong Yan, Hai Zhan, Chao Zhu, Zhen Bo Zhu
  • Patent number: 9066239
    Abstract: A method and apparatus for reducing spectrum interference between wireless networks. This is realized by arranging at least one sub-coordinating apparatus, namely, a monitoring apparatus, in respective wireless network, and by arranging a coordinating apparatus, namely, an allocation apparatus in the whole network. Wherein, the sub-coordinating apparatus monitors the spectrum utilization situation of the wireless network where it is located, reports it to the coordinating apparatus, and requests the coordinating apparatus for spectrum resource when new spectrum resource is needed. The coordinating apparatus maintains the spectrum utilization information of each wireless network, and allocates appropriate spectrum resource to the sub-coordinating apparatus which requests spectrum resource based on the maintained information.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: June 23, 2015
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yonghua Lin, Jianbin Tang, Jun Song Wang, Qing Wang, Rong Yan, Hai Zhan, Chao Zhu, Zhen Bo Zhu
  • Patent number: 9025703
    Abstract: The present invention relates to a software radio system and a decoding apparatus and method thereof. According to an embodiment of the present invention, there is provided a forward error correction decoding apparatus for a software radio system, including: a receiving module for receiving decoding tasks from a plurality of uplink channels; and a decoder matrix for executing the decoding tasks, wherein the decoder matrix is shared by the plurality of uplink channels. The decoding apparatus and method as well as the software radio system according to the embodiments of the present invention can be well adapted to the high computing capabilities, sufficient flexibility and scalability as required by base station systems for next-generation wireless communication systems.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: May 5, 2015
    Assignee: International Business Machines Corporation
    Inventors: Jian Wen Chen, Yong Hua Lin, Qing Wang, Rong Yan, Hai Zhan, Zhen Bo Zhu
  • Patent number: 8983376
    Abstract: A method and apparatus for reducing spectrum interference between wireless networks. This is realized by arranging at least one sub-coordinating apparatus, namely, a monitoring apparatus, in respective wireless network, and by arranging a coordinating apparatus, namely, an allocation apparatus in the whole network. Wherein, the sub-coordinating apparatus monitors the spectrum utilization situation of the wireless network where it is located, reports it to the coordinating apparatus, and requests the coordinating apparatus for spectrum resource when new spectrum resource is needed. The coordinating apparatus maintains the spectrum utilization information of each wireless network, and allocates appropriate spectrum resource to the sub-coordinating apparatus which requests spectrum resource based on the maintained information.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: March 17, 2015
    Assignee: International Business Machines Corporation
    Inventors: Yonghua Lin, Jianbin Tang, Jun Song Wang, Qing Wang, Rong Yan, Hai Zhan, Chao Zhu, Zhen Bo Zhu
  • Patent number: 8811389
    Abstract: A base station apparatus, methods of receiving and sending data, and a computer readable article of manufacture. A computer implemented method includes the following for receiving and sending data: receiving the data by an RF header module; grouping data received; transferring the grouped data to a data processing apparatus; distributing the grouped data into an uplink sub-channel; merging the distributed data using at least one downlink sub-channel; transferring the merged data to a transceiving apparatus; degrouping the merged data; and sending the merged data by RF header module. A method of receiving data, a method of sending data, and computer readable non-transitory articles of manufacture are also provided.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: August 19, 2014
    Assignee: International Business Machines Corporation
    Inventors: Jian Wen Chen, Yonghua Lin, Ravinder Kumar Sabhikhi, Qing Wang, Zhen Bo Zhu
  • Patent number: 8780886
    Abstract: A wireless communication system base station, and a remote radio head (RRH) and a computer-implemented synchronization method for the wireless communication system base station. The RRH is communicably coupled to a baseband unit (BBU) of the wireless communication system base station through a network, and the BBU processes and transmits downlink data to the RRH. The RRH includes: a time-delay measurement unit for measuring a time-delay for the downlink data to arrive at the RRH from the BBU; and a time-delay notification unit for notifying from the RRH to the BBU of time-delay data on the time-delay measured by the time-delay measurement unit, wherein the time-delay data is used to advance the starting time for the BBU to process and transmit the downlink data by an amount of time obtained based on the time-delay data.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: July 15, 2014
    Assignee: International Business Machines Corporation
    Inventors: Jian Wen Chen, Lin Chen, Yonghua Lin, Qing Wang, Rong Yan, Zhen Bo Zhu
  • Patent number: 8767710
    Abstract: A wireless communication system base station, and a remote radio head (RRH) and a computer-implemented synchronization method for the wireless communication system base station. The RRH is communicably coupled to a baseband unit (BBU) of the wireless communication system base station through a network, and the BBU processes and transmits downlink data to the RRH. The RRH includes: a time-delay measurement unit for measuring a time-delay for the downlink data to arrive at the RRH from the BBU; and a time-delay notification unit for notifying from the RRH to the BBU of time-delay data on the time-delay measured by the time-delay measurement unit, wherein the time-delay data is used to advance the starting time for the BBU to process and transmit the downlink data by an amount of time obtained based on the time-delay data.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: July 1, 2014
    Assignee: International Business Machines Corporation
    Inventors: Jian Wen Chen, Lin Chen, Yonghua Lin, Qing Wang, Rong Yan, Zhen Bo Zhu
  • Patent number: 8638819
    Abstract: A wireless communication transceiver and a mode switch device thereof. The transceiver includes: a first band transmission path; a first band reception path; a second band transmission path; a second band reception path; a path switch and a control unit. In a dual band time division duplexing mode, the control unit controls the path switch so that the path switch connects a received radio frequency signal from an antenna to the first band reception path, and connects a transmitted radio frequency signal from the second band transmission path to the antenna in an odd cycle or an even cycle; and controls the path switch so that the path switch connects a received radio frequency signal from the antenna to the second band reception path, and connects a transmitted radio frequency signal from the first band transmission path to the antenna in another odd cycle or another even cycle.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: January 28, 2014
    Assignee: International Business Machines Corporation
    Inventors: Jian Wen Chen, Lin Chen, Yong Hua Lin, Qing Wang, Rong Yan, Zhen Bo Zhu
  • Publication number: 20140016579
    Abstract: This invention relates to wireless signal process, and discloses a method for interference process of an interference signal in an OFDM based wireless communication system, comprising: receiving an interference signal; performing time domain and frequency domain analyses on the interference signal to obtain interference characteristics of the interference signal; determining an interference category of the interference signal according to the interference characteristics of the interference signal; and performing interference process on the interference signal in view of the interference category of the interference signal. The method for interference signal process of this invention is effective to both homogeneous network interference and heterogeneous network interference, so that frequency spectrum sharing of homogeneous networks and existing heterogeneous networks can be realized.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 16, 2014
    Inventors: Xinhao Cheng, Yonghua Lin, Hang Liu, Jianbin Tang, Jun Song Wang, Qing Wang, Xian Wei Yi, Zhen Bo Zhu
  • Publication number: 20130031554
    Abstract: Provided is a hardware accelerator and method, central processing unit, and computing device. A hardware accelerating method includes, in response to a request for a new task issued by a hardware thread, accelerating processing of the new task and producing a processing result for the task. A predicting step predicts total waiting time of the new task for returning to a specified address associated with the hardware thread.
    Type: Application
    Filed: August 13, 2012
    Publication date: January 31, 2013
    Applicant: International Business Machines Corporation
    Inventors: Rui Hou, Yi Ge, Kun Wang, Zhen Bo Zhu
  • Publication number: 20130031553
    Abstract: Provided is a hardware accelerator, central processing unit, and computing device. A hardware accelerator includes a task accelerating unit configured to, in response to a request for a new task issued by a hardware thread, accelerate the processing of the new task and produce a processing result for the task; a task time prediction unit configured to predict the total waiting time of the new task for returning to a specified address associated with the hardware thread. One aspect of this disclosure makes the hardware thread aware of the time to be waited for before getting a processing result, facilitating its task planning accordingly.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 31, 2013
    Applicant: International Business Machines Corporation
    Inventors: Rui Hou, Yi Ge, Kun Wang, Zhen Bo Zhu
  • Publication number: 20130003674
    Abstract: A method and apparatus for sharing frequencies in an orthogonal frequency-division multiplexing OFDM-based wireless communication system, wherein the OFDM-based wireless communication system comprises a base station and a mobile device that work within a radio frequency band, the method comprising: detecting an interference signal in the radio frequency band; setting by the base station, based upon the interference signal, interference indication information in a control header of a downlink frame to be sent to the mobile device, the interference indication information indicating a frequency range that is occupied by the interference signal in the radio frequency band; and sending by the base station the downlink frame to the mobile device, such that the mobile device may, based upon the interference indication information, avoid the frequency range where the interference signal is located.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 3, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yong Hua LIN, Jianbin TANG, Qing WANG, Jun Song WANG, Rong YAN, Hai ZHAN, Chao ZHU, Zhen Bo ZHU