Patents Assigned to NTT DoCoMo, Inc.
  • TERMINAL, RADIO COMMUNICATION METHOD AND BASE STATION
    Publication number: 20230379098
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section configured to receive information regarding skipping of a hybrid automatic repeat request acknowledgement (HARQ-ACK) for a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) that is not transmitted; and a control section configured to control HARQ-ACK bundling for a SPS PDSCH that is transmitted, on the basis of information included in downlink control information (DCI). According to one aspect of the present disclosure, it is possible to suitably transmit and receive a semi-persistent scheduling PDSCH and a HARQ-ACK corresponding to the PDSCH.
    Type: Application
    Filed: October 13, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Satoshi Nagata, Lan Chen, Jing Wang, Qiping Pi, Jialin Wu, Yong Li
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230379835
    Abstract: A terminal according to one aspect of the present disclosure includes a receiving section that receives configuration information indicating a plurality of transmission configuration indication (TCI) states applicable to multiple types of channels and that receives indication information indicating one TCI state out of the plurality of TCI states, and a control section that applies the one TCI state to the multiple types of channels and that applies, to an uplink channel out of the multiple types of channels, one power control parameter corresponding to the one TCI state out of a plurality of power control parameters, the plurality of power control parameters being associated with the plurality of respective TCI states. According to one aspect of the present disclosure, it is possible to appropriately determine information related to QCL.
    Type: Application
    Filed: October 16, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC
    Inventors: Yuki Matsumura, Satoshi Nagata
  • TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION
    Publication number: 20230379900
    Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives a plurality of configured grant configurations; and a control section that uses one or more spatial relations for transmission based on each of the plurality of configured grant configurations. According to an aspect of the present disclosure, it is possible to appropriately determine a QCL parameter used for a configured grant transmission.
    Type: Application
    Filed: October 9, 2020
    Publication date: November 23, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Lan Chen
  • User apparatus and preamble transmission method
    Patent number: 11825430
    Abstract: An apparatus is disclosed including an input unit that receives an input; and a communication module coupled to a processor that measures power of synchronization signal blocks received from a base station, wherein the processor selects a synchronization signal block with measured power above a threshold, wherein the communication module transmits a preamble using a resource corresponding to the selected synchronization signal block, and wherein the communication module performs retransmission for preamble transmission that uses the resource, the retransmission being performed using another resource corresponding to the selected synchronizations signal block or another synchronization signal block with measured power above the threshold. In other aspects, another apparatus is also disclosed.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: November 21, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Hiroki Harada
  • Information processing apparatus
    Patent number: 11823580
    Abstract: Time slot specifying unit reads out facility information of a facility to be inspected (specifically, a base station ID of a base station whose previous inspection day is included in a past predetermined period) from facility information storage unit. Daytime information acquiring unit acquires daytime information at positions at which base stations to be inspected are installed. Time slot specifying unit specifies non-backlight time slots based on the read-out facility information and the acquired daytime information. Operation plan generating unit generates an operation plan of drone in which facilities are shot in the specified non-backlight time slots. Operation plan outputting unit outputs the generated operation plan.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: November 21, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Syuusuke Watanabe, Tadashige Nagae, Mitsuteru Fukuyama, Masakazu Hamano, Takefumi Yamada, Takashi Hara, Yuichiro Segawa, Yasuhiro Kitamura
  • Radio communication system and radio base station
    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
  • TERMINAL AND RESOURCE CONTROL METHOD
    Publication number: 20230371051
    Abstract: Provided is a terminal including: a receiving unit that acquires any one or both position information of a reception terminal and position information of a third terminal; and a control unit that performs resource exclusion processing by a specific method with respect to a reserved resource by the third terminal within a specific range from the reception terminal on the basis of the position information acquired by the receiving unit in identification processing of candidates of a transmission resource that is used in a sidelink.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Naoya Shibaike, Satoshi Nagata
  • RADIO BASE STATION
    Publication number: 20230370991
    Abstract: A gNB (100) transmits and receives a prescribed message or response, acquires a propagation delay with the UE (200) in response to the reception of the message or response, and performs propagation delay compensation. The propagation delay compensation is performed at a DU (120) on the UE (200) side or at a CU (110) on the network side.
    Type: Application
    Filed: October 1, 2020
    Publication date: November 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventor: Tianyang Min
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20230370204
    Abstract: Provided is a terminal having: a transmitting unit configured to transmit to a base station a first uplink control channel including a HARQ (Hybrid Automatic Repeat Request) response related to a sidelink and an uplink shared channel; and a controlling unit configured to determine a process to be applied in a case where the first uplink control channel overlaps with the uplink shared channel at least in a time domain; wherein the transmitting unit transmits to the base station the first uplink control channel or the uplink shared channel, by applying the process.
    Type: Application
    Filed: October 16, 2020
    Publication date: November 16, 2023
    Applicant: NTT DOCOMO, INC
    Inventors: Shohei Yoshioka, Satoshi Nagata
  • MANAGEMENT APPARATUS
    Publication number: 20230370388
    Abstract: A management apparatus includes: a provider configured to, upon receiving a first request to control quality of communication within a group constituted by a first node and second nodes, which have a blockchain and which are configured to execute the communication for appending additional data to the blockchain, from the first node, provide the first node with first information corresponding to the first request; and a quality controller configured to set quality of communication related to a control target node that is one of the second nodes to quality better than or equal to a first quality upon receiving the first information in addition to a second request to control the quality of the communication related to the control target node from a receiving node, which has received the first information during forwarding of the first information within the group, among the second nodes.
    Type: Application
    Filed: November 5, 2021
    Publication date: November 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Masashi ANZAWA, Hiroki ISHIZUKA
  • TERMINAL AND COMMUNICATION METHOD
    Publication number: 20230370198
    Abstract: A terminal includes a receiving unit configured to receive, from a base station, one or more pieces of information specifying a plurality of codebooks for transmitting a response related to retransmission control to be applied to transmission and reception in a downlink; a controlling unit configured to determine which codebook among the plurality of codebooks is a codebook for transmitting a response related to retransmission control to be applied to transmission and reception in a sidelink; and a transmitting unit configured to transmit to the base station, by using the determined codebook, one or more responses related to retransmission control to be applied to transmission and reception in the sidelink.
    Type: Application
    Filed: October 9, 2020
    Publication date: November 16, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Satoshi Nagata
  • Random access wait time setting method
    Patent number: 11818753
    Abstract: Information indicating a base station apparatus with which each of a terminal apparatus T-k and other terminal apparatuses that are to perform location registration in a service area of a base station apparatus B(k) with which the terminal apparatus T-k is to perform location registration is shared among all the terminal apparatuses that are to perform location registration in the service area. A maximum wait time is set longer, the greater the number of other terminal apparatuses that are scheduled to perform location registration with the base station apparatus B(k) with respect to which the terminal apparatus T-k is to perform location registration is, the maximum wait time being a maximum wait time for the terminal apparatus T-K to access the base station apparatus B(k).
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: November 14, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuoki Ichikawa, Takashi Okada, Yuuta Higuchi, Satoshi Denno
  • Terminal, radio communication method, and system
    Patent number: 11818795
    Abstract: A terminal is disclosed including a processor coupled to a receiver that performs a measurement for a radio link monitoring (RLM) using a reference signal for the RLM; and controls, based on a subcarrier spacing (SCS) of the reference signal, a scheduling restriction on data during the measurement for the RLM, wherein the processor assumes that a condition for enabling transmission or reception of the data during the measurement for the RLM is more moderate than a condition for enabling transmission or reception of data during a radio resource management (RRM) measurement. In other aspects, a radio communication method and a system are also disclosed.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: November 14, 2023
    Assignee: NTT DOCOMO, INC.
    Inventor: Hiroki Harada
  • Terminal, radio communication method, base station, and system
    Patent number: 11818754
    Abstract: A terminal is disclosed including a receiver that receives a synchronization signal block (SSB); a processor that determines, based on the SSB, a time resource for a preamble used for a 2-step random access procedure, and determines, based on the SSB, a time resource for an uplink shared channel (PUSCH) used for the random access procedure; and a transmitter that transmits the preamble and the PUSCH. In other aspects a radio communication method, a base station, and a system are also disclosed.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: November 14, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Kazuki Takeda, Shohei Yoshioka, Satoshi Nagata, Lihui Wang, Shaozhen Guo, Xiaolin Hou
  • User equipment and communication method
    Patent number: 11818771
    Abstract: A user equipment includes a transmitting unit configured to transmit first data in a first step of a 2-step RACH; and a receiving unit configured to receive second data in a second step of the 2-step RACH. The user equipment performs fallback to a 4-step RACH at the time of retransmission of the first data. In addition, provided is a user equipment including: a transmitting unit configured to transmit first data in a first step of a 2-step RACH; and a receiving unit configured to receive second data in a second step of the 2-step RACH. The user equipment performs fallback to a 4-step RACH according to the received second data.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: November 14, 2023
    Assignee: NTT DOCOMO, INC.
    Inventor: Tomoya Ohara
  • User apparatus and base station
    Patent number: 11818064
    Abstract: A user apparatus is provided. The user apparatus performs communications with a base station. The user apparatus includes a receiving unit configured to receive a downlink pilot signal, a downlink control signal, and downlink user data by using a subframe that includes a pilot signal area, to which the downlink pilot signal is mapped, a control signal area, to which the downlink control signal is mapped, a user data area, to which the downlink user data is mapped, and a multiple use area, to which an uplink signal or a downlink signal is mapped; and a transmission unit configured to map the uplink signal to the multiple use area and transmit the mapped result to the base station in the case where information is included in the downlink control signal indicating that the uplink signal is to be mapped to the multiple use area.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: November 14, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Yoshihisa Kishiyama, Kiichi Tateishi
  • METHOD OF SHARING SRS RESOURCES BETWEEN SRS RESOURCE SETS OF DIFFERENT USAGES, AND CORRESPONDING UE
    Publication number: 20230361975
    Abstract: A user equipment (UE) is disclosed that includes a receiver that receives a parameter and a processer that, based on the parameter, configures Sounding Reference Signal (SRS) resources with a first SRS resource set and a second SRS resource set. The UE further includes a transmitter that transmits one or more SRSs using the SRS resources. In other aspects, a method and a wireless communication system are also disclosed.
    Type: Application
    Filed: August 17, 2021
    Publication date: November 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Nadisanka Rupasinghe, Yuki Matsumura
  • TERMINAL AND MEASUREMENT METHOD
    Publication number: 20230361892
    Abstract: A terminal includes a receiving unit that receives a reference signal for acquiring a channel state and a control unit that performs measurement related to RSRP (Reference signal received power), based on a result of receiving the reference signal, and subcarrier spacing to be applied to the reference signal.
    Type: Application
    Filed: December 13, 2019
    Publication date: November 9, 2023
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Takuma Takada
  • User apparatus and base station apparatus for indicating a band combination that can be applied to dual connectivity
    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
  • Aerial vehicle operation management device and aerial vehicle operation management method
    Patent number: 11810462
    Abstract: A specifying unit 51 of a flying body operation management device 50 specifies an airspace in which a propagation delay equal to or greater than a threshold value occurs in the uplink of a time-division duplex between a wireless communication terminal 30 and a wireless base station 41 to which wireless communication terminal 30 is wirelessly connected. Next, an assigning unit 52 of flying body operation management device 50 performs a process of assigning, with respect to each airspace, a flying body 10 having a wireless communication terminal 20. At this time, with respect to an airspace specified by specifying unit 51, assigning unit 52 limits the assigning of flying body 10 on which wireless communication terminal 20 is mounted.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: November 7, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Takefumi Yamada, Youhei Oono, Yuichiro Segawa, Shinya Hanano, Takashi Yoshimoto, Yasuhiro Kitamura