Patents by Inventor Yuan Yan
Yuan Yan 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).
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Patent number: 8982752Abstract: The present invention provides a search space configuration that is suitable for a communication system in which a plurality of fundamental frequency blocks are grouped together into a wide band. A base station apparatus (20) has a selection section (302) that selects a system band in fundamental frequency block units, a downlink control information generation section (306) that generates downlink control information for demodulating the data channels that are sent separately in the selected fundamental frequency blocks, and arranges, in the downlink control channel of a specific fundamental frequency block among a plurality of fundamental frequency blocks, a search space in which downlink control information for the plurality of fundamental frequency blocks is contained, and a transmission section (203) that transmits the downlink control channel in which the search space with the downlink control information is arranged.Type: GrantFiled: March 30, 2011Date of Patent: March 17, 2015Assignee: NTT DOCOMO, INC.Inventors: Nobuhiko Miki, Kazuaki Takeda, Yuan Yan, Anxin Li
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Publication number: 20140232994Abstract: The present invention relates to electronic technology field, and more particularly to CRT and projection system. A low power laser CRT based on parallel flow electron gun comprises a vacuum tube, a laser panel provided at one end of the vacuum tube and an electron gun provided at the opposing end. The electron gun adopts a parallel flow electron gun, wherein the parallel flow electron gun comprises a negative electrode, a G1 electrode and a control electrode, wherein the control electrode is connected to an electron beam current control system. The electron gun of the present invention adopts parallel flow electron gun to emit electron beam, so that the laser panel has even current density distribution so as to average the power consumption of laser panel to reduce the energy that is converted to heat.Type: ApplicationFiled: May 29, 2012Publication date: August 21, 2014Inventors: Zhongping Xia, Jian Zhao, Yuan Yan, Xueyuan Zhang, Weijie Zhong
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Publication number: 20130286930Abstract: To prevent throughput of a macro terminal connecting to a radio base station from deteriorating due to an interference signal from a relay station provided in a cell of the radio base station in a radio communication system using relay transmission techniques, a relay transmission method of the invention has a step in which a relay station receives data to a relay terminal from a radio base station via a backhaul link, a step in which the relay station allocates a radio resource to the relay terminal to a certain frequency region over a plurality of TTIs, and a step in which the relay station transmits the data to the relay terminal via an access link using the allocated radio resource.Type: ApplicationFiled: October 3, 2011Publication date: October 31, 2013Applicant: NTT DOCOMO, INC.Inventors: Satoshi Nagata, Yuan Yan, Anxin Li, Xinying Gao
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Patent number: 8537587Abstract: A method and apparatus for accessing a non-volatile memory cell. In some embodiments, a memory block provides a plurality of memory cells arranged into rows and columns. A read circuit is configured to read a selected row of the memory block by concurrently applying a control voltage to each memory cell along the selected row and, for each column, using a respective local sense amplifier and a column sense amplifier to successively differentiate a voltage across the associated memory cell in said column to output a programmed content of the row.Type: GrantFiled: September 23, 2011Date of Patent: September 17, 2013Assignee: Seagate Technology LLCInventors: Hai Li, Yiran Chen, Yuan Yan, Brian Lee, Ran Wang
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Publication number: 20130201902Abstract: The present invention provides a radio base station apparatus and a resource allocation method that can improve the inequality of the amount of radio resources to allocate to UEs under relay nodes and improve the cell edge user throughput performance. The radio base station apparatus according to the present invention has a frequency bandwidth control section (113) that controls the frequency bandwidth for each radio relay station apparatus based on the quality of the backhaul links between the radio base station apparatus and a plurality of radio relay station apparatuses, and a transmission section that transmits downlink signals to the plurality of radio relay station apparatuses over the frequency bandwidth controlled by the frequency bandwidth control section (113).Type: ApplicationFiled: August 11, 2011Publication date: August 8, 2013Applicant: NTT DOCOMO, INC.Inventors: Satoshi Nagata, Yuan Yan, Anxin Li
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Publication number: 20130058294Abstract: The present invention provides a search space configuration that is suitable for a communication system in which a plurality of fundamental frequency blocks are grouped together into a wide band. A base station apparatus (20) has a selection section (302) that selects a system band in fundamental frequency block units, a downlink control information generation section (306) that generates downlink control information for demodulating the data channels that are sent separately in the selected fundamental frequency blocks, and arranges, in the downlink control channel of a specific fundamental frequency block among a plurality of fundamental frequency blocks, a search space in which downlink control information for the plurality of fundamental frequency blocks is contained, and a transmission section (203) that transmits the downlink control channel in which the search space with the downlink control information is arranged.Type: ApplicationFiled: March 30, 2011Publication date: March 7, 2013Applicant: NTT DOCOMO, INC.Inventors: Nobuhiko Miki, Kazuaki Takeda, Yuan Yan, Anxin Li
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Patent number: 8385453Abstract: A data processing method and a base station for downlink transmit diversity are disclosed. One embodiment of the method comprises: obtaining data symbol groups formed by arranging a first type data symbol and a second type data symbol in an interval, wherein the first type data symbol is more important; determining a first antenna port pairing mode corresponding to a current slot; performing, for OFDM symbols including the reference signal in the current slot, an antenna port and subcarrier mapping on symbols in a transmit diversity matrix corresponding to the data symbol groups according to the first antenna port pairing mode, wherein a subcarrier in which a symbol related to the first type data symbol is located is nearer to a subcarrier in which a reference signal at the same antenna port is located; and performing an inverse fast fourier transform and a cyclic prefix insertion processing on symbols mapped to subcarriers and then mapping the time domain symbols to a physical antenna for transmission.Type: GrantFiled: July 9, 2010Date of Patent: February 26, 2013Assignee: NTT DoCoMo, Inc.Inventors: Anxin Li, Yuan Yan, Xinying Gao, Hidetoshi Kayama
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Patent number: 8333531Abstract: A coupling device 1 for releasably coupling first and second axially aligned hollow tubes 10 and 11 end to end. The coupling device comprises a substantially cylindrical body 2 that is adapted to be received within the adjacent ends of the first and second tubes 10 and 11, wherein the device includes an adjustment mechanism 3 operable for radially expanding and contracting the cylindrical body 2. In an expanded state of the cylindrical body 2, the coupling device forms a friction joint with each of the tubes, locking the tubes relative to each other. The cylindrical body 2 includes one or two longitudinal slots 4 to allow expansion and contraction of the cylindrical body. The coupling device is particularly used for the joining of pole sections of dance exercise poles.Type: GrantFiled: July 14, 2009Date of Patent: December 18, 2012Assignee: Vertical Leisure Ltd.Inventors: Yuan Yan Wei, Clive Coote
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Patent number: 8272967Abstract: A demountable stage includes a substantially cylindrical central hub, which has a vertically extending central axis and is adapted to support a vertically extending pole, a plurality of radially outwardly extending support members mounted to the hub and a stage platform. The stage platform comprises a plurality of segments that are adapted to be supported on the support members.Type: GrantFiled: January 13, 2010Date of Patent: September 25, 2012Assignee: Vertical Leisure Ltd.Inventors: Yuan Yan Wei, Clive Coote
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Patent number: 8270204Abstract: Magnetic shift tracks or magnetic strips, to which application of a rotating magnetic field or by rotation of the strip itself allows accurate determination of domain wall movement. One particular embodiment is a method of determining a position of a domain wall in a magnetic strip. The method includes applying a rotating magnetic field to the magnetic strip, the magnetic field rotating around a longitudinal axis of the magnetic strip, and after applying the magnetic field, determining a displacement of the domain wall to a second position.Type: GrantFiled: July 9, 2009Date of Patent: September 18, 2012Assignee: Seagate Technology LLCInventors: Xiaobin Wang, Haiwen Xi, Yiran Chen, Yuan Yan, Jun Zheng
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Patent number: 8203862Abstract: An apparatus and associated method for generating a reference voltage with dummy resistive sense element regions. A first resistance distribution is obtained for a first dummy region of resistance sense elements and a second resistance distribution is obtained for a second dummy region of resistive sense elements. A user resistive sense element from a user region is assigned to a selected resistive sense element of one of the first or second dummy regions in relation to the first and second resistance distributions.Type: GrantFiled: July 13, 2009Date of Patent: June 19, 2012Assignee: Seagate Technology LLCInventors: Yiran Chen, Hai Li, Wenzhong Zhu, Xiaobin Wang, Yuan Yan, Harry Hongyue Liu
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Patent number: 8107439Abstract: The present invention discloses a method and apparatus of physical resource allocation as well as a method of data receiving and a receiving end in a wireless communication system. The method of physical resource allocation includes: detecting a pilot signal sent by each user within a designated range; obtaining received power of the pilot signal sent by each user; scheduling each user within the designated range to obtain a user group including at least one user according to the received power; and allocating a same physical resource to each user of the user group. According to the method and the apparatus, it is possible to reuse a physical resource and sequentially decode data packets corresponding to users in a user group occupying the same physical resource according to the Capture Effect and interference cancellation technology, thereby improving the spectrum efficiency and throughput of uplink or downlink greatly.Type: GrantFiled: March 2, 2009Date of Patent: January 31, 2012Assignee: NTT DoCoMo, Inc.Inventors: Yuan Yan, Anxin Li, Xiangming Li, Hidetoshi Kayama
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Publication number: 20120014168Abstract: A method and apparatus for accessing a non-volatile memory cell. In some embodiments, a memory block provides a plurality of memory cells arranged into rows and columns. A read circuit is configured to read a selected row of the memory block by concurrently applying a control voltage to each memory cell along the selected row and, for each column, using a respective local sense amplifier and a column sense amplifier to successively differentiate a voltage across the associated memory cell in said column to output a programmed content of the row.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Applicant: SEAGATE TECHNOLOGY LLCInventors: Hai Li, Yiran Chen, Yuan Yan, Brian Lee, Ran Wang
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Patent number: 8050072Abstract: A method and apparatus for accessing a non-volatile memory cell. In some embodiments, a memory block provides a plurality of memory cells arranged into rows and columns. A read circuit is configured to read a selected row of the memory block by concurrently applying a control voltage to each memory cell along the selected row and, for each column, using a respective local sense amplifier and a column sense amplifier to successively differentiate a voltage across the associated memory cell in said column to output a programmed content of the row.Type: GrantFiled: June 24, 2009Date of Patent: November 1, 2011Assignee: Seagate Technology LLCInventors: Hai Li, Yiran Chen, Yuan Yan, Brian Lee, Ran Wang
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Publication number: 20110053859Abstract: The invention provides methods of treating symptoms of sleep deprivation using a hypocretin agonist. The invention also provides methods of treating Parkinson's disease using a hypocretin agonist.Type: ApplicationFiled: October 10, 2008Publication date: March 3, 2011Applicant: The U. S. Government Respresented by the Department of Veterans AffairsInventors: Samuel A. Deadwyler, Robert E. Hampson, Linda Porrino, Michael Todd, Thomas N. Thannickal, Yuan-Yan Lai, Jerome M. Siegel
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Publication number: 20110013713Abstract: A data processing method and a base station for downlink transmit diversity are disclosed. One embodiment of the method comprises: obtaining data symbol groups formed by arranging a first type data symbol and a second type data symbol in an interval, wherein the first type data symbol is more important; determining a first antenna port paring mode corresponding to a current slot; performing, for OFDM symbols including reference signals in the current slot, an antenna port and subcarrier mapping on symbols in a transmit diversity matrix corresponding to the data symbol group according to the first antenna port paring mode, wherein a subcarrier in which a symbol related to the first type data symbol is located is nearer to a subcarrier in which a reference signal at the same antenna port is located; and performing an inverse fast fourier transform and a cyclic prefix insertion processing on symbols mapped to subcarriers and then mapping the symbols to a physical antenna for transmission.Type: ApplicationFiled: July 9, 2010Publication date: January 20, 2011Inventors: Anxin Li, Yuan Yan, Xinying Gao, Hidetoshi Kayama
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Publication number: 20100203976Abstract: A demountable stage includes a substantially cylindrical central hub, which has a vertically extending central axis and is adapted to support a vertically extending pole, a plurality of radially outwardly extending support members mounted to the hub and a stage platform. The stage platform comprises a plurality of segments that are adapted to be supported on the support members.Type: ApplicationFiled: January 13, 2010Publication date: August 12, 2010Applicant: VERTICAL LEISURE LTD.Inventors: Yuan Yan Wei, Clive Coote
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Publication number: 20100128519Abstract: A non volatile memory assembly that includes a reference element having: a reference component; and a reference transistor, wherein the reference component is electrically connected to the reference transistor, and the reference transistor controls the passage of current across the reference component; and at least one non volatile memory element having: a non volatile memory cell, having at least a low and a high resistance state; and an output that electrically connects the reference element with the at least one non volatile memory element, wherein the reference transistor and the memory transistor are activated by a reference gate voltage and a memory gate voltage respectively, and the reference gate voltage and the memory gate voltage are not the same.Type: ApplicationFiled: July 9, 2009Publication date: May 27, 2010Applicant: SEAGATE TECHNOLOGY LLCInventors: Hai Li, Yiran Chen, Xiaobin Wang, Yuan Yan
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Publication number: 20100091550Abstract: Various embodiments of the present invention are generally directed to an apparatus and associated method for generating a reference voltage with dummy resistive sense element regions. A first resistance distribution is obtained for a first dummy region of resistance sense elements and a second resistance distribution is obtained for a second dummy region of resistive sense elements. A user resistive sense element from a user region is assigned to a selected resistive sense element of one of the first or second dummy regions in relation to the first and second resistance distributions.Type: ApplicationFiled: July 13, 2009Publication date: April 15, 2010Applicant: SEAGATE TECHNOLOGY LLCInventors: Yiran Chen, Hai Li, Wenzhong Zhu, Xiaobin Wang, Yuan Yan, Harry Hongyue Liu
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Publication number: 20100090687Abstract: Magnetic shift tracks or magnetic strips, to which application of a rotating magnetic field or by rotation of the strip itself allows accurate determination of domain wall movement. One particular embodiment is a method of determining a position of a domain wall in a magnetic strip. The method includes applying a rotating magnetic field to the magnetic strip, the magnetic field rotating around a longitudinal axis of the magnetic strip, and after applying the magnetic field, determining a displacement of the domain wall to a second position.Type: ApplicationFiled: July 9, 2009Publication date: April 15, 2010Applicant: SEAGATE TECHNOLOGY LLCInventors: Xiaobin Wang, Haiwen Xi, Yiran Chen, Yuan Yan, Jun Zheng