Patents by Inventor Yu Ding

Yu Ding 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: 20120076068
    Abstract: Disclosed are a data transmission method, a system and an apparatus, which are used to meet transmission quality requirements of data on multiple kinds of logic channels in the event that multiple kinds of logic channels related to multimedia broadcast multicast service (MBMS) are mapped to the same transmission channel. The data transmission method provided by the present invention includes that: a network side determines multiple kinds of modulation and coding schemes (MCSs) needed to be adopted when multiple kinds of logic channels are mapped to the same transmission channel, and notifies a terminal of correspondence between logic channels and MCSs; using MCSs needed to be adopted, the network side performs modulation and coding for the data on logic channels mapped to the transmission channel, then transmits it to the terminal through the transmission channel.
    Type: Application
    Filed: June 9, 2010
    Publication date: March 29, 2012
    Inventors: Yi Zhao, Yu Ding, Xiaodong Yang
  • Publication number: 20120059634
    Abstract: A method is disclosed for determining well placements, or drainage areas, in a hydrocarbon reservoir to facilitate operation of the reservoir. Drainage area configurations are generated randomly, by generating, for each configuration, placements for each drainage area. The placements of each drainage area are determined to optimize a quality criterion, by an iterative optimization algorithm during which for first iterations, the quality criterion is evaluated by a flow simulator, and for subsequent iterations, an approximate evaluation model of the quality criterion is constructed. The quality of the approximate model is evaluated and the quality criterion is determined by the approximate model or by the flow simulator according to the quality of this approximate model.
    Type: Application
    Filed: August 23, 2011
    Publication date: March 8, 2012
    Inventors: Zyed BOUZARKOUNA, Didier Yu Ding, Anne Auger, Marc Schoenauer
  • Publication number: 20120051615
    Abstract: An exemplary embodiment of the present invention includes a method for increasing temporal resolution in Phase Contrast (PC) MR imaging. The increased temporal resolution may be obtained by reusing information encoded into phase of an MRI signal where said reuse occurs prior to the difference reconstruction.
    Type: Application
    Filed: February 1, 2010
    Publication date: March 1, 2012
    Applicant: THE OHIO STATE UNIVERSITY
    Inventors: Orlando P. Simonetti, Yiu-Cho Chung, Hung-Yu Lin, Yu Ding, Jacob A. Bender
  • Publication number: 20120014358
    Abstract: The present invention discloses a method, system and device for determining a bandwidth of an uplink sounding reference signal SRS. The method for determining the bandwidth of the uplink SRS comprises the following steps: determining whether SRS is transmitted with the uplink pilot time slot if the SRS is transmitted with the largest bandwidth level; transmitting SRS with the non-extensive SRS bandwidth if SRS is determined to be transmitted with the uplink pilot time slot and the UE reaches the power limit. In the present invention, the signal-to-noise ratio detected on the bandwidth with which SRS transmitted can be maintained, and the accurate detection of the channel information is thereby realized.
    Type: Application
    Filed: July 30, 2009
    Publication date: January 19, 2012
    Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Xueming Pan, Guojun Xiao, Shiqiang Suo, Yu Ding
  • Publication number: 20120015669
    Abstract: A method and an apparatus for terminal locating in long term evolution system are provided by the present invention, wherein, the method includes: calculating the propagation delay from the terminal to the base station to which the terminal belongs, according to the synchronization time advance of the terminal and the signal reception delay of the base station to which the terminal belongs (101); and determining the distance between the terminal and the base station by using said propagation delay, and determining the position of the terminal relative to that of the base station according to said distance and the direction of arrival of the signal from the terminal (102). By applying the method and the apparatus provided by the present invention, the terminal locating can be achieved with low cost, low implementation complexity, and high precision for location only by using a simple algorithm.
    Type: Application
    Filed: February 4, 2010
    Publication date: January 19, 2012
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Fei Qin, Shaohui Sun, Yu Ding, Tamrakar Rakesh
  • Publication number: 20120008574
    Abstract: An adaptive modulation and coding method is provided by the present invention, comprising: selecting punctured Physical Resource Blocks (PRBs) to transmit the downlink data for the User Equipment (UE); determining the Transport Block Size (TBS) and the number of punctured PRB pairs for transmission to the UE based on the carried service; scheduling the downlink data for the UE based on the determined TBS, and transmitting the number of the used punctured PRB pairs and a Modulation and Coding Scheme (MCS) sequence number to the UE; and the UE converting the number of the punctured PRB pairs to the number of normal PRB pairs, determining the modulation scheme and the TBS sequence number based on the MCS sequence number, and determining the TBS of the downlink data based on the number of the normal PRB pairs and the TBS sequence number.
    Type: Application
    Filed: July 30, 2009
    Publication date: January 12, 2012
    Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Guojun Xiao, Deshan Miao, Shiqiang Suo, Fei Qin, Yu Ding, Xueming Pan
  • Publication number: 20110292846
    Abstract: A method and an apparatus for determining the configuration mode of special subframe of a cell are provided, and the method includes: receiving notification messages sent from adjacent cells, and the notification messages containing the information indicating the configuration modes of special subframes of the adjacent cells; determining the configuration modes of special subframes of the adjacent cells in accordance with the notification messages; among the possible configuration modes of special subframes of the current cell, selecting preferably a configuration mode of special subframe, which meets the interference requirement of the current cell and has less interference with the adjacent cells, as the current configuration mode of special subframe. The embodiments of the present invention also provide a method and an apparatus for determining the usage mode of the time-domain resource of a cell.
    Type: Application
    Filed: February 1, 2010
    Publication date: December 1, 2011
    Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY
    Inventors: Haijing Hu, Guojun Xiao, Yu Ding, Ying Wang, Jiayi Fang, Fei Qin
  • Patent number: 8064426
    Abstract: The present application discloses a method and system for transmitting a Broadcast/Multicast Service (MBMS), which is used for solving the problem that macro cell coverage of the MBMS and macro diversity combining of multi-cells cannot be implemented efficiently based on a frame structure of the existing Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system in prior art. The method includes: mapping a channel estimation code and data symbols of a Broadcast/Multicast Service to a resource unit, wherein the channel estimation code is mapped in front of the data symbols in a signal frame at a time slot for all services or a time slot for the MBMS; and transmitting the resource unit. Using the present application, efficiency and performance of transmitting a MBMS are improved, and the multi-cells combining of the MBMS and deployment of the MBMS with a macro cell mechanism are implemented efficiently.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: November 22, 2011
    Assignee: China Academy of Telecommunications Technology
    Inventors: Yingmin Wang, Yu Ding
  • Publication number: 20110280339
    Abstract: A modulation method and device for modulating transfer format combination indicator TFCI information, the method including: dividing equally original TFCI information in a unit of 2 bits in a transmission time interval TTI; extending the resultant respective parts of the TFCI information after the division to correspond to identifiers of one or more designated energy points in a preset constellation; and mapping the respective extended parts of the TFCI information to the corresponding energy points for modulating.
    Type: Application
    Filed: August 13, 2008
    Publication date: November 17, 2011
    Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Yu Ding, Xiaodong Yang, Xunwei Zhao, Shiyan Ren
  • Publication number: 20110267994
    Abstract: A method for determining uplink transmission power in time division duplex system is disclosed: a base station determines the current distribution manner of uplink and downlink sub-frames, acquires the frame correspondence information that corresponds to the distribution manner of said uplink and downlink sub-frames, selects, based on said frame correspondence information, downlink sub-frames to transmit to a terminal the power control (TPC) commands that correspond to the uplink sub-frames.
    Type: Application
    Filed: April 27, 2009
    Publication date: November 3, 2011
    Inventors: Xueming Pan, Shiqiang Suo, Guojun Xiao, Yu Ding
  • Publication number: 20110261714
    Abstract: The present invention discloses a transmission method with multi-carrier aggregation, which includes: performing uplink and downlink configurations for each of the component carriers aggregated in a cell and ensuring coexistence of at least one identical uplink sub-frame and at least one identical downlink sub-frame between at least two of the component carriers and compliance of the configuration of at least one of the component carriers with an uplink and downlink configuration of R8; and transmitting the uplink and downlink configuration of any one of the component carriers and those of the other component carriers aggregated with the any one component carrier to an LTE-A UE accessing the corresponding component carrier. The invention further provides a transmission device with multi-carrier aggregation. With the invention, uplink and downlink configurations in an LTE-A system can be performed to accommodate a demand of a TDD system.
    Type: Application
    Filed: November 4, 2009
    Publication date: October 27, 2011
    Applicant: DA TANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Xueming Pan, Guojun Xiao, Yu Ding, Shiqiang Suo, Shaohui Sun
  • Publication number: 20110259139
    Abstract: This invention provides a precise positioning platform by using of toggle type principle, wherein the positioning platform can be single toggle type, double toggle type, or combination with multi-link to enhance positioning platform precision.
    Type: Application
    Filed: April 25, 2011
    Publication date: October 27, 2011
    Applicant: CHUNG YUAN CHRISTIAN UNIVERSITY
    Inventors: SHIH-MING WANG, Yu-Ding Chen
  • Publication number: 20110256128
    Abstract: The present invention provides triazole compounds of Formula I: as further described herein. The invention also provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of Formula I, and a method of treating a disorder mediated, at least in part, by KSP in a mammalian patient comprising administering to a mammalian patient in need of such treatment a therapeutically effective amount of a compound of Formula I.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 20, 2011
    Inventors: Tinya ABRAMS, Paul A. BARSANTI, Yu DING, David DUHL, Wooseok HAN, Cheng HU, Yue PAN
  • Publication number: 20110122837
    Abstract: The present invention discloses a method for beam forming transmission, comprising the following steps: the eNB mapping the downlink data of the user and the UE-specific reference signals carried in the DwPTS Field for beam forming transmission according to the preset mapping structure, and performing the beam forming process; the eNB performing the resource mapping on results of the beam forming process result, primary synchronization signal, control signaling, Cell specific reference signal and other user data to form the DwPTS Field data; and the eNB sending the DwPTS Field data to the UE. The present invention further discloses a system and a corresponding device for beam forming transmission. The present invention can realize beam forming transmission in the Special Field DwPTS and improve the performance of the system without introducing a new user UE-specific reference signal mapping structure, which is simple to be realized.
    Type: Application
    Filed: May 26, 2009
    Publication date: May 26, 2011
    Inventors: Yanan Lin, Shiqiang Suo, Yu Ding, Guojun Xiao
  • Publication number: 20110105167
    Abstract: The field of wireless communications is related, especially the technique of transmitting uplink sounding reference signal (SRS) by a mobile terminal with multiple transmission antennas is related. A method for receiving uplink sounding reference signal includes the following steps: receiving the SRS signals, which are respectively transmitted from respective radio frequency transmission modules of the mobile terminal according to the respectively allocated Transmission Comb (TC) values and Cyclic Shift (CS) values when the transmission period arrives, wherein TC values and/or CS values allocated for any two radio frequency transmission modules are different; determining the radio frequency transmission module corresponding to every received SRS signal according to the TC values and CS values respectively allocated for respective radio frequency transmission modules.
    Type: Application
    Filed: June 19, 2009
    Publication date: May 5, 2011
    Inventors: Xueming Pan, Shiqiang Suo, Deshan Miao, Yu Ding
  • Publication number: 20110058505
    Abstract: The present invention provides a method for configuring a Sounding Reference Signal (SRS). The method includes: determining, by a base station, an SRS periodicity available for a cell, and determining at least one SRS configuration position available in a sub-frame for the cell based on the SRS periodicity determined; and jointly coding, by the base station, the SRS periodicity and the at least one SRS configuration position, and transmitting a result of the joint coding to all User Equipments (UE) in the cell through broadcast signaling. The present invention also provides an apparatus for configuring an SRS. The present invention implements configuration of SRS transmission and can avoid conflict between SRS and uplink control information.
    Type: Application
    Filed: April 29, 2009
    Publication date: March 10, 2011
    Applicant: Da Tang Mobile Communications Equipment Co., Ltd.
    Inventors: Xueming Pan, Shiqiang Suo, Yu Ding, Guojun Xiao
  • Publication number: 20110054859
    Abstract: A method of developing a petroleum reservoir from a reservoir model and optimized history matching is disclosed having application for petroleum reservoir characterization. A global objective function measuring the differences between the measured historical data and the simulated historical data is defined according to M parameters. The global objective function is then decomposed into a sum of k local objective functions. Each local objective function measures the differences on a geographic region from mk parameters, selected from among the M parameters, and having a significant impact on the historical data of the region. The region is determined by minimizing this number mk of parameters. The model is then modified by minimizing the global objective function by a gradient method wherein the derivatives of the local objective functions are estimated by means of a parameter perturbation technique.
    Type: Application
    Filed: August 10, 2010
    Publication date: March 3, 2011
    Inventors: Didier Yu DING, Frédéric Roggero
  • Publication number: 20110051633
    Abstract: The present invention provides a method for implementing uplink transmission TA. The method includes: receiving, by a UE, a TA command, adding a TA value corresponding to the TA command and a pre-configured TA adjusting offset to obtain a practical uplink transmission timing advance TA?; and transmitting, by the UE, uplink data according to the TA?. The present invention also provides another method for implementing uplink transmission TA. Compared with the prior art, in the methods provided by the present invention, a TA adjustment indicating table is respectively configured in the eNodeB and the UE, and some items of the TA adjustment indicating table are commonly-used by a TDD system and an FDD system. The present invention also provides apparatuses for implementing uplink transmission TA. The present invention provides detailed solutions for implementing uplink transmission TA in the TDD system and achieves coherence between the designs of the TDD system and the FDD system to the largest extent.
    Type: Application
    Filed: April 28, 2009
    Publication date: March 3, 2011
    Applicant: DA TANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Xueming Pan, Shiqiang Suo, Yu Ding, Yuexia Song
  • Publication number: 20110044181
    Abstract: The present invention discloses a method for processing uplink signal. In this method, when a random access channel of a cell where a user equipment (UE) locates is within an uplink pilot timeslot, the UE determining whether there is a conflict between the random access channel and time-frequency position of an uplink channel quality sounding pilot of the UE; and if there is a conflict, the uplink channel quality sounding pilot will not be transmitted by the UE within the uplink pilot timeslot. The present invention also discloses a system and apparatus for processing uplink signal. By applying the method, system and apparatus of the present invention, the interference to detection performance of the random access channel caused by the uplink channel quality sounding pilot will be avoided, thereby increasing the detection performance of the random access channel.
    Type: Application
    Filed: April 24, 2009
    Publication date: February 24, 2011
    Applicant: DA TANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Shiqiang Suo, Libo Wang, Xueming Pan, Yu Ding
  • Patent number: 7886423
    Abstract: A method for forming micro-texture on ABS of a slider, includes steps of: positioning sliders arranged in arrays on a tray, each slider having a pole tip facing upward; loading the tray into a processing chamber, and evacuating the processing chamber to a preset pressure; introducing a mixture gas of inert gas and hydrocarbon gas into the processing chamber, and ionizing the mixture gas to produce ion beams; exposing the sliders to the ion beam for etching so as to form micro-texture with two-step structure on the ABS of the slider. The invention also discloses a method of manufacturing a slider having micro-texture.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: February 15, 2011
    Assignee: Sae Magnetics (H.K.) Ltd.
    Inventors: HongXin Fang, HongTao Ma, Yu Ding, Heng Qiao, BaoHua Chen