Patents by Inventor Lan Chen

Lan Chen 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: 9832764
    Abstract: The present invention is designed to make it possible to adequately form the search space candidates to be used in the blind decoding of downlink control information when the radio resource region for downlink control channels is expanded. The radio base station of the present invention is a radio base station that transmits downlink control information for a user terminal by using an enhanced downlink control channel that is frequency-division-multiplexed with a downlink shared data channel, and has a configuring section that configures, for the user terminal, a plurality of resource sets that are each formed by including a plurality of resource blocks allocated to the enhanced downlink control channel, and a determining section that determines enhanced control channel elements to constitute a plurality of search space candidates such that the plurality of search space candidates of each resource set are all placed in different resource blocks.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: November 28, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuaki Takeda, Qin Mu, Liu Liu, Lan Chen
  • Publication number: 20170332645
    Abstract: The present invention relates to a novel plant defense signaling peptide and applications thereof.
    Type: Application
    Filed: October 27, 2015
    Publication date: November 23, 2017
    Applicant: Academia Sinica
    Inventors: Yet-Ran Chen, Ying-Lan Chen, Mei-Chun Tseng
  • Patent number: 9787435
    Abstract: A base station is configured to transmit control information to a terminal device in a radio communication system, wherein an error detection code that is masked by predetermined identification information is attached to the control information, the base station including a generator configured to generate, upon detecting that a length of first information that is to be masked by the predetermined identification information to generate the error detection code does not correspond to a length of the predetermined identification information, second information that corresponds to the length of the predetermined identification information; and an error detection code generator configured to generate, upon detecting that the second information is generated, the error detection code in which the second information is masked by the predetermined identification information.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: October 10, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Shimpei Yasukawa, Qin Mu, Liu Liu, Lan Chen
  • Patent number: 9763240
    Abstract: The blind decoding method disclosed herein is a blind decoding method to allow a user terminal to blind-decode downlink control information that is transmitted from a radio base station using at least one of a legacy PDCCH and an enhanced PDCCH that is frequency-division-multiplexed with a PDSCH, and includes the steps in which the radio base station reports information for configuring a number of candidates, which information is used to configure numbers of search space candidates for the legacy PDCCH and numbers of search space candidates for the enhanced PDCCH, to the user terminal, and the user terminal blind-decodes the downlink control information based on the numbers of search space candidates for the legacy PDCCH and the numbers of search space candidates for the enhanced PDCCH that are configured based on the candidate quantity configuration information.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 12, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuaki Takeda, Qin Mu, Liu Liu, Lan Chen
  • Patent number: 9762495
    Abstract: A method, computer program product, and system for adjusting network traffic balance among a plurality of communication links between a first network node and a second network node on a computing network includes a processor receiving over a computing network from a network device, performance metrics for a plurality of communications links between a first network node and a second network node on the computing network and based on receiving the performance metrics, the processor determines degradation in network performance on at least one of the plurality of communication links. The processor determines a weight for each communication link, associating a lower weight with the degraded link(s), and formulates instructions for an adjusted network traffic balance among the links, based on the weights.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: September 12, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Hsiu Lan Chen, Robert K. Floyd, III, James W. Ling, Stephen Sauer, Liviu Tudorache
  • Patent number: 9750901
    Abstract: A dry powder drug-dosing device comprises a flow passage member (10), a drug powder storage container (19), and a drug-dosing metering component. A drug powder storage container (19), an annular manual rotation portion (3) and a rotational slide passage (23) are disposed on the outer surface of the housing. A sliding block (26) is disposed at an inner side of the annular manual rotation portion (3) A stirring gear (28) disposed on a transmission sleeve (27) is fit with the raised vibration tooth (21), so as to form a vibration component for enabling an outlet of the inverted conical drug powder storage container (19) to generate vibration. The dry powder drug-dosing device is applicable to the inhalation administration of various medicines in the form of dry powder.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: September 5, 2017
    Assignee: SHANGHAI XIUXIN CHENPON PHARMACEUTICAL TECHNOLOGY CO., LTD.
    Inventors: Lan Chen, Dizheng Du, Lei Xu
  • Patent number: 9742534
    Abstract: A radio communication system including a plurality of radio base stations and a user terminal that is capable of coordinated multiple point transmission with the plurality of radio base stations is provided, and, in this radio communication system, a radio base station has a generating section that generates parameter information related to downlink signals, a control information generating section that generates downlink control information that includes an indicator to represent specific parameter information, a control section that controls whether or not to configure a bit field for the indicator of the parameter information in the downlink control information, and a transmission section that transmits information as to whether or not the bit field for the indicator of the parameter information is configured, to the user terminal, by higher layer signaling.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: August 22, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Mingju Li, Xiang Yun, Lan Chen
  • Publication number: 20170231000
    Abstract: In one aspect, the adaptive modulation and coding method includes, in a user terminal, receiving a modulation and coding scheme (MCS) index, acquiring a modulation order corresponding to the received MCS index as a modulation order of a downlink shared channel, from a first table in which MCS indexes are associated with modulation orders including 8 and transport block size (TBS) indexes, and a second table is provided in which MCS indexes are associated with modulation orders of less than 8 and TBS indexes, and the first table is provided by puncturing a combination of a modulation order and a TBS index in the second table so that the first table and the second table are equal in a number of bits for an MCS index. In other aspects, a user terminal and a radio base station are provided.
    Type: Application
    Filed: April 25, 2017
    Publication date: August 10, 2017
    Applicant: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Qin Mu, Liu Liu, Yu Jiang, Lan Chen
  • Patent number: 9716540
    Abstract: To make it possible to feed back channel state information adequately even when a plurality of pieces of channel state information are generated in a user terminal, a user terminal that is configured to be able to conduct coordinated multi-point transmission/reception with a plurality of radio base stations has a generating section that generates a plurality of kinds of channel state information using channel state measurement reference signals transmitted from each radio base station, a selection section that selects predetermined channel state information to feed back, from the plurality of kinds of channel state information, and a transmission section that feeds back the predetermined channel state information to the radio base station via an uplink control channel, and the selection section selects the predetermined channel state information based at least on the priorities assigned to the resource indices of channel state measurement reference signals corresponding to each channel state information.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: July 25, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Jing Wang, Xiang Yun, Lan Chen
  • Publication number: 20170208479
    Abstract: The present invention is designed to apply beam forming control between base stations in accordance with traffic that varies over time or geographically. A radio base station can exchange control information with a neighbor radio base station via backhaul, and has a transmitting/receiving section that transmits and receives the control information through backhaul signaling, and a control section that controls the antenna beam pattern of one or both of the neighbor radio base station and the radio base station based on traffic information and information about antenna beam forming for the neighbor radio base station and the radio base station, which are included in the control information.
    Type: Application
    Filed: July 14, 2015
    Publication date: July 20, 2017
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuaki Takeda, Hideyuki Moroga, Sadayuki Abeta, Hideaki Takahashi, Wuri Andarmawanti Hapsari, Lan Chen, Kengo Yagyu
  • Patent number: 9693291
    Abstract: The present invention is designed to allow more reliable small cell detection while preventing the increase of power consumption in user terminals. The communication control method of the present invention includes the steps in which a macro base station notifies a user terminal of measurement gap pattern information to represent a repetition period that is the same as the transmission cycle of a detection/measurement signal in small cells and a length of time that is the same as the transmission duration of the detection/measurement signal, and the start offset of the transmission duration, and the user terminal configures measurement gaps of the repetition period and the length of time, by using a start offset that is the same as the start offset.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: June 27, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Liu Liu, Lan Chen
  • Patent number: 9675548
    Abstract: Rapidly dissolving, oral film preparations for rapid release of an active agent in the oral cavity, in particular, rapidly dissolving oral films comprising a nicotine active which achieve good transbuccal absorption and provide nicotine craving relief to an individual are disclosed herein.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: June 13, 2017
    Assignee: GlaxoSmithKline, LLC
    Inventor: Li-Lan Chen
  • Patent number: 9667361
    Abstract: The present invention is designed to make possible adaptive modulation and coding (AMC) that supports high-order modulation schemes. The adaptive modulation and coding method of the present invention is an adaptive modulation and coding method for a downlink shared channel, and includes, in a user terminal, the steps of measuring channel quality based on a reference signal from the radio base station, acquiring a channel quality indicator to indicate the modulation scheme and the coding rate that are applicable to the downlink shared channel in the channel quality, from a table in which channel quality indicators, modulation schemes and coding rates are associated with each other, and transmitting the channel quality indicator to the radio base station, and the modulation schemes include a modulation scheme of a higher order than 64 QAM.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: May 30, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Qin Mu, Liu Liu, Yu Jiang, Lan Chen
  • Patent number: 9648598
    Abstract: The present invention is designed to allow effective allocation of PUCCH resources, even when the ratio between uplink subframes and downlink subframes is changed in each cell, in CA by TDD.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: May 9, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuaki Takeda, Yang Lu, Qin Mu, Liu Liu, Lan Chen
  • Patent number: 9647806
    Abstract: Provided is a method for configuring coordinated multipoint transmission (CoMP) of the present invention. The method includes: providing a transmission mode to support CoMP and, at a base station (eNB), configuring the transmission mode to support CoMP to a user terminal (UE) by radio resource control (RRC) signaling. According to the method of the present invention, it becomes possible to configure CoMP so that the LTE system can support the CoMP function.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: May 9, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Jianchi Zhu, Mingju Li, Xiaoming She, Lan Chen
  • Publication number: 20170119196
    Abstract: A thermo tea maker includes a tea cup and a tea infuser. The exterior of the tea cup has a first isolation gap in a vacuum state to block the heat conduction from an inner part to an outer part of the cup part. The exterior of the tea infuser has a second isolation gap in a vacuum state to block the heat conduction from an inner segment to an outer segment of the tea infuser. The tea cup and the tea infuser are able to keep the tea warm. When the tea infuser is turned, the tea infuser will not scald the user's hand.
    Type: Application
    Filed: January 17, 2017
    Publication date: May 4, 2017
    Inventors: Hui-Ju Chen, Hsiu-Lan Chen Lu, Han Tsung Chen, Wei Fu Chen
  • Patent number: 9634808
    Abstract: To perform rate matching appropriately even when downlink signals are transmitted from a plurality of transmission points to a user terminal, a radio communication system having a user terminal capable of coordinate multi-point transmission and reception with several radio base stations is provided. A radio base station transmits downlink control information including bit information defining a predetermined rate matching pattern to the user terminal. The user terminal receives the downlink control information and performs rate matching based on the bit information defining the rate matching pattern. A combination of a cell-specific reference signal pattern and an interference measurement reference signal pattern in the case of transmission from several radio base stations each using an MBSFN subframe or NCT is defined in predetermined bits.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: April 25, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Mingju Li, Xiang Yun, Lan Chen
  • Publication number: 20170073418
    Abstract: A bispecific tetravalent antibody comprising an IgG having a pair of heavy chains and a pair of light chains, and two scFv components being connected to either C or N terminals of the heavy or light chains. The bispecific tetravalent antibody may have a binding specificity for two different members of EGFR family.
    Type: Application
    Filed: December 19, 2015
    Publication date: March 16, 2017
    Inventors: Zeren Gao, Phil Tan, Brian R. Kovacevich, Blair R. Renshaw, Jeffrey B. Adamo, Nga Sze Amanda Mak, Shi Zhuo, Lan Chen
  • Patent number: 9554343
    Abstract: The present invention is designed to report transmit power information of each subframe adequately when a plurality of transmit power are set in a plurality of subframes constituting radio frames. A radio base station performs the steps of setting at least three or more kinds of varying transmit power in a plurality of subframes constituting a radio frame, and also determining a power ratio between a reference signal and a shared data channel signal in each subframe, generating bitmap information that represents a type pattern of transmit power set in the plurality of subframes, reporting the bitmap information and the power ratio to a user terminal and/or another radio base station, and generating the bitmap information with reference to a table in which the power ratio of each subframe and identifiers are associated with each other.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: January 24, 2017
    Assignee: NTT DOCOMO, INC.
    Inventors: Satoshi Nagata, Nobuhiko Miki, Mingju Li, Liu Liu, Lan Chen
  • Publication number: 20170013647
    Abstract: A user apparatus that communicates with a base station in a mobile communication system, including: a reception unit configured to receive a radio signal from the base station by a downlink control channel; and a control information detection unit configured to detect control information, addressed to the user apparatus, mapped to a predetermined area in a time frequency resource of the downlink control channel by performing blind decoding in a plurality of candidate areas which are candidates of the predetermined area, wherein, the plurality of candidate areas are divided into a common candidate area where a plurality of user apparatuses commonly perform blind decoding and an individual candidate area for the user apparatus, and the control information detection unit performs blind decoding in the individual candidate area without performing blind decoding in the common candidate area during a period when the user apparatus monitors a random access response.
    Type: Application
    Filed: January 23, 2015
    Publication date: January 12, 2017
    Applicant: NTT DOCOMO, INC.
    Inventors: Tooru Uchino, Kazuki Takeda, Lan Chen, Huiling Jiang, Liu Liu