Patents by Inventor Wuri Andarmawanti Hapsari

Wuri Andarmawanti Hapsari 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: 11937335
    Abstract: An user equipment in a wireless communication system including a base station and the user equipment is configured to include: a reception unit configured to receive information for setting a value of a predetermined timer from the base station; and a transmission unit configured to transmit an uplink data in a case where the predetermined timer is not activated, wherein the transmission unit activates the predetermined timer in a case where that the value of the predetermined timer is set from the base station and information indicating that there is no uplink data to be transmitted is transmitted to the base station.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: March 19, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tooru Uchino, Wuri Andarmawanti Hapsari
  • Patent number: 11856506
    Abstract: A user equipment that communicates with a base station in a mobile communication system includes: a receiving unit that receives a change message of system information from the base station; and a control unit that requests the base station to transmit the system information when the receiving unit has received the change message and then has not received the system information.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: December 26, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Wuri Andarmawanti Hapsari
  • Patent number: 11825538
    Abstract: In a radio communication system, a split bearer that passes from a core network to a secondary cell group and branches from gNB 100B included in the secondary cell group to eNB 100A included in a master cell group is set, and data is transmitted to a user equipment via thus set split bearer. The gNB 100B transmits, to the eNB 100A, Use of SCG Radio Resource that indicates whether to configure a split bearer that uses a radio resource between the user equipment and the gNB 100B. The eNB 100A sets the split bearer based on the received Use of SCG Radio Resource.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: November 21, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Teruaki Toeda, Anil Umesh, Hideaki Takahashi, Tooru Uchino, Wuri Andarmawanti Hapsari
  • Patent number: 11812516
    Abstract: A user apparatus that performs communications with a base station apparatus by using a first RAT and a second RAT is provided. The user apparatus includes: a reception unit configured to receive, from the base station apparatus, first information indicating bands used for candidates of band combinations supported by the user apparatus; a generation unit configured to, based on the first information, generate terminal capability information including second information that includes a list including, at the beginning of the list, a band combination including a band used in the first RAT and a band used in the second RAT; and a transmission unit configured to transmit the generated terminal capability information to the base station apparatus.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: November 7, 2023
    Assignee: NTT DOCOMO, INC
    Inventors: Hideaki Takahashi, Wuri Andarmawanti Hapsari
  • Patent number: 11743780
    Abstract: A user equipment is disclosed that includes a transmission and reception unit configured to communicate with a master base station and a secondary base station simultaneously in dual connectivity. The user equipment includes a Radio Link Control (RLC) layer processing unit configured to have an RLC layer for the master base station and an RLC layer for the secondary base station and a Packet Data Convergence Protocol (PDCP) layer processing unit configured to have a PDCP layer transmitting and receiving data to/from the RLC layer for the master base station and the RLC layer for the secondary base station. When a split bearer configured for the secondary base station is deleted, the RLC layer processing unit performs re-establishment on the RLC layer for the secondary base station and releases the split bearer after execution of the re-establishment.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: August 29, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Tooru Uchino, Hideaki Takahashi, Wuri Andarmawanti Hapsari
  • Patent number: 11647381
    Abstract: CN (200) acquires from UE (50) UE Capability ID of UE Capability that indicates capability of the UE (50), and manages the UE Capability and the UE Capability ID by associating them with each other. The CN (200) transmits to gNB (100) Initial Context Setup Request as an instruction to acquire the UE Capability based on the acquired UE Capability ID and the UE Capability managed by the CN (200).
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: May 9, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Wuri Andarmawanti Hapsari, Hideaki Takahashi, Anil Umesh, Kenji Kai
  • Patent number: 11602004
    Abstract: Provided is a user equipment in a mobile communication system that supports a function of performing connection establishment reusing context information retained in each of the user equipment and a base station, including: a receiving unit that receives instruction information indicating whether or not the base station has a function of performing RRC connection reusing retained context from the base station; a determining unit that determines whether or not the base station has the function on the basis of the instruction information received through the receiving unit; and a transmitting unit that transmits a message including context retention information indicating that the user equipment retains user equipment side context information to the base station when the determining unit determines that the base station has the function.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: March 7, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Wuri Andarmawanti Hapsari
  • Patent number: 11523454
    Abstract: eNB (100A) notifies gNB (100B) of a setting location that indicates whether to set in the eNB (100A) or the gNB (100B) a PDCP entity that is a packet data convergence protocol layer entity to be used in a split bearer. The gNB (100B) sets a protocol stack to be used in the split bearer based on the setting location of the PDCP entity notified from the eNB (100A).
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: December 6, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tooru Uchino, Wuri Andarmawanti Hapsari
  • Patent number: 11510280
    Abstract: A user equipment is disclosed including a receiver that receives an RRC message related to configuration information of a second radio base station for a split hearer that splits from the second radio base station toward a first radio base station, and a processor that releases resources related to a radio link of the second radio base station based on the RRC message when a radio link failure in the second radio base station is detected.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: November 22, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tooru Uchino, Wuri Andarmawanti Hapsari, Anil Umesh
  • Patent number: 11337142
    Abstract: Techniques for receiving repeatedly transmitted broadcast information appropriately are disclosed. One aspect of the present invention relates to a base station including a communication control unit configured to control radio communication with user equipment and a broadcast information transmission unit configured to transmit broadcast information, wherein the broadcast information transmission unit includes scheduling information for second system information in first system information and broadcasts the second system information in accordance with the scheduling information.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: May 17, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Kazuaki Takeda, Wuri Andarmawanti Hapsari
  • Patent number: 11323311
    Abstract: Upon receiving, from UE (200), SCG Failure Information that indicates that a radio link failure has occurred in a secondary cell group, eNB (100A) transmits, to gNB (100B), Secondary Node Modification Request to instruct to release a resource of a split bearer of only a predetermined layer and the layers below thereof in the secondary cell group. Based on the received Secondary Node Modification Request, the gNB (100B) releases the resource of the split bearer below the predetermined layer in the secondary cell group. The eNB (100A) deletes setting itself of the secondary cell group when a bearer belonging to the secondary cell group other than the split bearer is not set.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: May 3, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tooru Uchino, Wuri Andarmawanti Hapsari, Anil Umesh
  • Patent number: 11272386
    Abstract: Provided are a mobile station and a mobile communication method in which, when a secondary cell (SCell) is established in an unlicensed band, received power in the unlicensed band can be efficiently measured and reported to a radio access network. A UE (100) includes an RSSI measurement unit (133) that repeatedly measures RSSI in the frequency band of the secondary cell, a report determination unit (140) that determines, based on an RSSI measurement result, whether to report the measurement result to the radio access network, and a measurement report unit (150) that reports the measurement result to the radio access network. The report determination unit (140) determines that the measurement result is to be reported to the radio access network when the measurement result exceeds a predetermined threshold.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: March 8, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tooru Uchino, Wuri Andarmawanti Hapsari, Kunihiko Teshima
  • Patent number: 11265967
    Abstract: A user device is disclosed including a receiver that receives from a first radio base station of a first system a setting information relating to a signaling radio bearer, and a processor that sets, in a dual connectivity between the first radio base station and a second radio base station of a second system, based on the setting information, a Packet Data Convergence Protocol (PDCP) entity of the signaling radio bearer to a PDCP entity of a second system.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: March 1, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tooru Uchino, Wuri Andarmawanti Hapsari
  • Patent number: 11265956
    Abstract: Provided are a radio communication system and user device that enable smooth interworking in a radio resource control (RRC) layer in the case of implementing interworking between systems by LTE assisted 5G, 5G assisted LTE, or the like. The radio communication system includes an eNB 100 conforming to LTE and a 5G-BS 200 conforming to 5G. The eNB 100 includes an RRC function unit 110 that performs control based on LTE-RRC, which is an RRC protocol in LTE. The 5G-BS 200 includes an RRC function unit 210 that performs control based on 5G-RRC, which is the RRC protocol in 5G. The RRC function unit 210 has at least a function not specified in LTE-RRC.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: March 1, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Wuri Andarmawanti Hapsari, Ryusuke Matsukawa, Hideaki Takahashi, Anil Umesh, Sadayuki Abeta
  • Publication number: 20220061115
    Abstract: An object of the present invention is to provide a radio communication system and a user device capable of performing appropriate measurement report operations, even during dual connectivity (DC) of LTE (eNB) and NR (gNB). The eNB (100A) includes a first RRC controlling unit that performs control in RRC layer and a first measurement controlling unit that controls reception quality measurement of a target cell performed by the user device. The gNB (100B) includes a second RRC controlling unit that performs control in the RRC layer and a second measurement controlling unit that controls reception quality measurement of a target cell performed by the user device. The first measurement controlling unit shares information on the number of carriers to be measured with the second measurement controlling unit.
    Type: Application
    Filed: April 6, 2018
    Publication date: February 24, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Wuri Andarmawanti Hapsari, Sadayuki Abeta
  • Patent number: 11246058
    Abstract: UE (200) performs Asymmetric ROHC that applies header compression in a packet data convergence protocol layer to either an uplink or a downlink. The UE (200) includes a data transmitting-receiving unit (220) that receives from eNB a support notification indicating that the Asymmetric ROHC is supported and a capability notifying unit (240) that notifies, when the data transmitting-receiving unit (220) receives the support notification, the eNB of information to be used for setting the Asymmetric ROHC by including a profile of the Asymmetric ROHC in capability information of the UE (200).
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: February 8, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Tooru Uchino, Wuri Andarmawanti Hapsari, Hideaki Takahashi, Akihito Hanaki
  • Patent number: 11206529
    Abstract: A base station in a mobile communication system that supports a function to reuse context information retained in each of a user apparatus and the base station to establish a connection is disclosed including a deletion unit configured to delete predetermined information in the context information associated with the user apparatus when the user apparatus ends a connected state in a condition where the base station retains the context information associated with the user apparatus, and an acquisition unit configured to acquire the predetermined information from a communication control apparatus that retains the predetermined information in the mobile communication system when the user apparatus restarts the connected state.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: December 21, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Wuri Andarmawanti Hapsari
  • Patent number: 11206571
    Abstract: A base station is provided. The base station includes a first reception unit configured to receive, from a user apparatus included in a mobile communication system including the base station, another base station communicating with the base station, and the user apparatus communicating with the base station, first data including quality information used for scheduling controlling performed by the other base station, and second data different from the first data. The base station also includes a transmission unit configured to transmit the first data to the other base station by giving higher priority to the first data than to the second data.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: December 21, 2021
    Inventors: Tooru Uchino, Wuri Andarmawanti Hapsari, Anil Umesh, Hideaki Takahashi, Sadayuki Abeta
  • Patent number: 11190931
    Abstract: A master node is disclosed including a controller that determines a number regarding a measurement capability of a terminal in a second radio access scheme, wherein the terminal communicates with a secondary node of the second radio access scheme together with the master node of a first radio access scheme; a transmitter that transmits the number regarding the measurement capability of the terminal in the second radio access scheme to the secondary node; and a receiver that receives from the secondary node a response indicating that the secondary node admits the number regarding the measurement capability of the terminal, wherein the controller controls a measurement operation performed by the terminal based on the response. In other aspects, a measurement operation control method and a secondary node are also disclosed.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: November 30, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Wuri Andarmawanti Hapsari, Hideaki Takahashi, Kenji Kai, Ryusuke Matsukawa, Tianyang Min
  • Patent number: 11184818
    Abstract: A mobile station for performing communication using component carriers belonging to different base stations includes a reconnection determination unit configured to determine a trigger to initiate a reconnection procedure; a reconnection request unit configured to generate a reconnection request using at least one of information about a primary cell and information about a secondary cell; and a transmission unit configured to transmit the reconnection request.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: November 23, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Toom Uchino, Hideaki Takahashi, Wuri Andarmawanti Hapsari