Patents by Inventor Qin MU

Qin MU 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: 11356207
    Abstract: Disclosed are a HARQ-ACK feedback method, a HARQ-ACK extraction method, a base station, and a user equipment. The Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK) feedback method is performed by a base station, and used to feed back corresponding HARQ-ACKs to a plurality of user equipments. The method includes: generating, by employing a plurality of HARQ-ACKs corresponding to the plurality of user equipments, at least one piece of downlink control information, where for each user equipment, an implicit mapping relationship exists between the user equipment and one or more information bits of the downlink control information; and transmitting to the plurality of user equipments the downlink control information.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 7, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Jiahui Liu, Qin Mu, Liu Liu, Naoto Okubo
  • Patent number: 11350396
    Abstract: A base station is disclosed including a processor that maps one or more control channel elements (CCEs) in a downlink control channel to one or more resource units that are obtained by an interleaver for interleaving indexes of a plurality of resource units in a control resource set, and a transmitter transmits the downlink control channel. Each of the one or more resource units are being defined as a plurality of resource element groups (REGs). A transmitter transmits the downlink control channel. In other aspects, a terminal and a radio communication method are disclosed.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: May 31, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Huiling Jiang
  • Publication number: 20220167435
    Abstract: A random access message transmission method, apparatus, and/or base station implementing the method includes: sending a second random access message Msg. B corresponding to N terminals after receiving first random access messages Msg. A sent by the N terminals, where N is an integer greater than or equal to 1; in which, the Msg. B includes respective exclusive information of the N terminals; exclusive information includes a type label of the exclusive information of a terminal; the type label is configured to indicate a length of the exclusive information of the terminal.
    Type: Application
    Filed: February 11, 2022
    Publication date: May 26, 2022
    Inventor: Qin MU
  • Publication number: 20220167428
    Abstract: A random access method and apparatus. The method is applied to an Internet of Things (IoT) device, and includes: determining a dedicated random access resource, in which the dedicated random access resource is a resource dedicated for the IoT device to initiate a random access; and sending a random access request through the dedicated random access resource.
    Type: Application
    Filed: June 26, 2019
    Publication date: May 26, 2022
    Inventor: Qin MU
  • Patent number: 11337273
    Abstract: A user apparatus in a radio communication system including a base station and the user apparatus includes: a receiver unit configured to receive, from the base station, first designation information for designating a resource group including a plurality of resources each including a bandwidth of a predetermined number of resource blocks and second designation information for designating allocation resources in the resource group; and a communication unit configured to perform data communication using the allocation resources designated by the second designation information in the resource group designated by the first designation information.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: May 17, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Naoto Ookubo, Huiling Jiang, Liu Liu, Qin Mu
  • Publication number: 20220140937
    Abstract: Information indication and determination methods and apparatuses. The information indication method includes: issuing joint indication information based on a mapping relationship between quantity of transmission blocks (TB), and at least one of a resource allocation mode and/or a modulation coding strategy (MCS), in which the joint indication information is configured to indicate quantity of scheduled TBs and at least one of the resource allocation mode and the MCS through indicating the mapping relationship.
    Type: Application
    Filed: January 15, 2022
    Publication date: May 5, 2022
    Inventor: Qin MU
  • Patent number: 11304199
    Abstract: According to the present invention, when communication is carried out using different formats from those of existing LTE systems, control channels can be communicated properly. A user terminal, according to one aspect of the present invention, includes a receiving section that receives a DL control channel, and a control section that controls monitoring of DL control channel candidates, and the control section determines the aggregation level to monitor and/or the number of DL control channel candidates based on the DCI format and/or the DCI payload size.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: April 12, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu
  • Publication number: 20220110160
    Abstract: The present invention is designed so that communication is performed appropriately in radio communication systems that support different numerologies than existing LTE systems. A receiving section that receives a downlink control channel, and a control section that controls the detection of common search spaces, which are candidates for allocating the downlink control channel, are provided, and the control section controls the detection of one or more common search spaces with different transmission features based on information that is indicated in advance and/or information about the capabilities which the user terminal supports itself.
    Type: Application
    Filed: December 26, 2017
    Publication date: April 7, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Lihui Wang, Jing Wang, Huiling Jiang
  • Patent number: 11296746
    Abstract: Provided in embodiments of the present disclosure are a method for selecting spreading sequences, a method for adjusting a transmission power and communication apparatuses. The method for selecting spread sequences according to the embodiments of the present disclosure includes: obtaining received powers of a plurality of user groups at a receiving end; determining spread sequence groups for the user groups in a spreading sequence set according to the obtained received powers.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: April 5, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Wenjia Liu, Xiaolin Hou, Qin Mu, Liu Liu
  • Patent number: 11284401
    Abstract: The present invention is designed to reduce the deterioration of communication quality and so on even when communication is performed by applying different configurations than in existing LTE systems. A receiving section that receives a downlink control channel, and a control section that controls receipt of the down link control channel, are provided, the downlink control channel is transmitted using downlink control channel elements including a plurality of resource element groups (REGs), and the control section controls receiving processes per REG group comprised of a plurality of REGs.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: March 22, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Xu Zhang, Liu Liu, Huiling Jiang
  • Publication number: 20220086895
    Abstract: An apparatus is disclosed including a receiver that receives a downlink control information and a downlink shared channel that is scheduled by the downlink control information; a processor that determines an allocation of the downlink shared channel in a time domain based on a first timing indicated by a first time unit and a second timing indicated by a second time unit that are obtained from information notified by the downlink control information; and an output apparatus that outputs information based on the downlink shared channel, wherein the first timing is defined based on a numerology of the downlink shared channel. In other aspects, a system is also disclosed.
    Type: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Chongning Na, Xin Wang, Jing Wang, Lihui Wang, Min Liu, Huiling Jiang
  • Publication number: 20220052801
    Abstract: A method and apparatus for hybrid automatic repeat request (HARQ) feedback is provided. The method includes: determining at least one target HARQ result corresponding to at least one target PDSCH, wherein the at least one target PDSCH is from all PDSCHs scheduled by a current PDCCH, HARQ results corresponding to the at least one target PDSCH are to be fed back through a current sub-frame; determining a target PUCCH and a combined HARQ result in at least one candidate PUCCH according to the at least one target HARQ result, wherein corresponding target PUCCH resource of the target PUCCH is configured to carry the combined HARQ result, and the combined HARQ result and the target PUCCH resource are configured to identify the at least one target HARQ result; and carrying the combined HARQ result through the target PUCCH resource, and sending the target PUCCH to a base station.
    Type: Application
    Filed: August 8, 2018
    Publication date: February 17, 2022
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Qin MU
  • Publication number: 20220046676
    Abstract: Methods for scheduling transport blocks, and an apparatus for scheduling transport blocks. The method includes: determining transmission interval parameters, in which the transmission interval parameters are used to determine a mode of setting a transmission interval among transport blocks; scheduling the transport blocks on a physical downlink control channel (PDCCH) according to the transmission interval parameters, the transport blocks scheduled on the PDCCH including at least one of physical uplink shared channel (PUSCH) transport blocks and physical downlink shared channel (PDSCH) transport blocks.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Inventor: Qin MU
  • Publication number: 20220039000
    Abstract: The present disclosure relates to a carrier information indication method and apparatus, a cell search method and apparatus, a base station, a user equipment and a computer-readable storage medium. The carrier information indication method includes setting independent machine-type communication (MTC) carrier information; and transmitting the independent MTC carrier information to a user equipment (UE). In the aspects of the disclosure, by means of setting independent MTC carrier information and transmitting the independent MTC carrier information to a UE, the UE does not need to search for an independent MTC carrier when searching for a cell, thereby saving on the electricity of the UE.
    Type: Application
    Filed: September 11, 2018
    Publication date: February 3, 2022
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Yang LIU, Qin MU
  • Publication number: 20220039169
    Abstract: A method and apparatus for data transmission are provided. The method is applied to a user equipment that detects a current timing advance (TA) in a target time unit to obtain a detection result. The user equipment sends, if the detection result indicates that the current TA has expired, at least one of a random access signal and a target notification message to a base station.
    Type: Application
    Filed: November 2, 2018
    Publication date: February 3, 2022
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Qin MU
  • Patent number: 11240819
    Abstract: A terminal is disclosed including a receiver that receives information on a control resource set including a candidate of a downlink control channel, and a processor that assumes a resource corresponding to the downlink control channel is an unavailable resource for downlink data when the control resource set overlaps with the downlink data. In other aspects, a radio communication method for a terminal is also disclosed.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 1, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu
  • Publication number: 20220030590
    Abstract: The present application relates to the technical field of communications, and provided thereby are a data transmission method, device, equipment and system and a storage medium. The method comprises: generating m transmission blocks (TB) according to data to be transmitted, each TB comprising partial data from within the data, and m?2; dividing transmission content related to each TB into n transmission units within time domain, wherein n?2; and transmitting the n transmission units related to each TB alternately to a receiving terminal in the time domain, the transmission of the n transmission units in the time domain being non-continuous.
    Type: Application
    Filed: September 14, 2018
    Publication date: January 27, 2022
    Inventor: Qin Mu
  • Publication number: 20220022257
    Abstract: The present invention provides a method and apparatus for setting transmission time advance. The method comprises: detecting the current transmission time advance (TA) in a target time unit, and obtaining the detecting result; if the detecting result indicates that the current TA has failed, transmitting a random access signal to a base station by means of a first target resource, the random access signal being used for indicating that the base station requires configuration of a new TA to a client; receiving the new TA returned from the base station; and transmitting target data to the base station based on the new TA by means of a second target resource, the target data being required to be reported to the base station by the client. The present invention simplifies the random access process of the client, saves the client power and prevents waste of the second target resource.
    Type: Application
    Filed: November 2, 2018
    Publication date: January 20, 2022
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Qin MU
  • Patent number: 11218202
    Abstract: Provided are a beam configuration method, a mobile station and a base station. The beam configuration method performed by a base station according to embodiments of the present invention includes: determining a beam transmission scheme for a mobile station according to performance of the mobile station; and transmitting information to the mobile station according to the beam transmission scheme.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: January 4, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Min Liu, Liu Liu, Huiling Jiang, Xin Wang, Qin Mu, Chongning Na, Jing Wang, Yuichi Kakishima, Kazuaki Takeda, Satoshi Nagata
  • Patent number: 11219056
    Abstract: A terminal is disclosed including a receiver that receives a downlink control information and a downlink shared channel that is scheduled by the downlink control information. The terminal also includes a processor that determines an allocation of the downlink shared channel in a time domain based on a first timing indicated by a first time unit and a second timing indicated by a second time unit that are obtained from information notified by the downlink control information. In other aspects, a radio communication method is also disclosed.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: January 4, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Satoshi Nagata, Qin Mu, Liu Liu, Chongning Na, Xin Wang, Jing Wang, Lihui Wang, Min Liu, Huiling Jiang