Patents by Inventor Xiaolin Hou
Xiaolin Hou 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: 12389242Abstract: A terminal according to one aspect of the present disclosure includes a transmitting section that transmits a random access preamble in a given cell when beam failure is detected, and a control section that assumes a same antenna port quasi-co-location parameter as that associated with an index of a reference signal corresponding to the random access preamble for monitoring of a downlink control channel in a given control resource set after a given period from timing at which contention resolution is successful in random access procedure corresponding to the random access preamble and until specific information related to a Transmission Configuration Indication state (TCI state) for a downlink control channel is received. According to one aspect of the present disclosure, it is possible to appropriately update a beam in relation to BFR.Type: GrantFiled: May 20, 2020Date of Patent: August 12, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
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Patent number: 12375137Abstract: The present disclosure provides a base station and a terminal. The base station includes: a receiving unit configured to receive precoding matrix indicator information of a first granularity from a terminal; and a processing unit configured to perform channel reconstruction according to the precoding matrix indicator information to obtain a first channel, use a super-resolution network to perform interpolation and denoising processing on a channel having the first granularity to obtain a second channel, and perform downlink precoding on the second channel, wherein the first channel has the first granularity, the second channel has a second granularity, and the second granularity is finer than the first granularity.Type: GrantFiled: February 1, 2021Date of Patent: July 29, 2025Assignee: NTT DOCOMO, INC.Inventors: Xin Wang, Xiaolin Hou, Anxin Li, Lan Chen, Hiroki Harada
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Patent number: 12368535Abstract: A terminal according to an aspect of the present disclosure includes: a reception section that receives downlink control information for triggering feedback of a one-shot HARQ-ACK; and a control section that controls feedback of HARQ-ACKs each corresponding to one of a plurality of service types or HARQ-ACKs having different priorities by using different codebooks in a case where the feedback of the HARQ-ACK is performed on the basis of the downlink information.Type: GrantFiled: January 30, 2020Date of Patent: July 22, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Satoshi Nagata, Xiaohong Zhang, Lihui Wang, Xiaolin Hou
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Patent number: 12355516Abstract: The present disclosure provides a terminal and a base station in a communication system. The terminal includes: a receiving unit configured to receive, from a base station, first information indicating a first parameter, where the first parameter indicates a number of candidate transform domain vectors regarding a subcarrier-level precoding matrix, and a value of the first parameter is smaller than a number of subcarriers of the communication system; the receiving unit being further configured to receive, from the base station, second information indicating a second parameter, where the second parameter indicates a number of transform domain vectors used to determine the subcarrier-level precoding matrix; and a control unit configured to determine, from the number of candidate transform domain vectors indicated by the first information, the number of transform domain vectors indicated by the second information.Type: GrantFiled: December 29, 2020Date of Patent: July 8, 2025Assignee: NTT DOCOMO, INC.Inventors: Wenjia Liu, Xiaolin Hou, Xin Wang, Yuki Matsumura, Nadisanka Rupasinghe
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Patent number: 12342348Abstract: A terminal according to an aspect of the present disclosure includes a control section that determines a parameter related to an initial value for generating a scrambling sequence applied to a specific uplink shared channel (Physical Uplink Shared Channel (PUSCH)) based on whether already having a valid cell radio network temporary identifier (C-RNTI), and a transmitting section that transmits, on the specific PUSCH, bits to which scrambling based on the parameter is applied. According to an aspect of the present disclosure, scrambling can be appropriately performed for the PUSCH.Type: GrantFiled: August 15, 2019Date of Patent: June 24, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Patent number: 12328688Abstract: A terminal receives a synchronization signal block (SSB) in a different frequency band different from a frequency band including one or a plurality of frequency ranges. The synchronization signal block (SSB) receives at least one of a plurality of synchronization signal blocks (SSB) having different indexes and transmitted from a network by using the same time position or the same frequency position.Type: GrantFiled: June 27, 2019Date of Patent: June 10, 2025Assignee: NTT DOCOMO, INC.Inventors: Hiroki Harada, Satoshi Nagata, Jing Wang, Xiaolin Hou
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Patent number: 12328274Abstract: A terminal according to one aspect of the present disclosure includes: a control section that, when a reference signal for beam failure detection (BFD-RS) is not configured for the terminal, determines a reference signal of a transmission configuration indication (TCI) state associated with at least one transmission/reception point (TRP) as the BFD-RS; and a receiving section that receives the BFD-RS. According to one aspect of the present disclosure, link failure can be appropriately detected.Type: GrantFiled: June 6, 2019Date of Patent: June 10, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
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Publication number: 20250168773Abstract: A terminal is disclosed including a receiver that receives, from a first transmission/reception point (TRP), downlink control information (DCI) including first configuration information related to a first transmission configuration indication state (TCI state), and receives, from a second TRP, a DCI including second configuration information related to a second TCI state; and a processor that performs, simultaneously, transmission to the first TRP based on the first configuration information with transmission to the second TRP based on the second configuration information. In other aspects, a radio communication method and a system are also disclosed.Type: ApplicationFiled: January 21, 2025Publication date: May 22, 2025Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Jin Wang, Shaozhen Guo, Xiaolin Hou
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Publication number: 20250158868Abstract: The present disclosure provides an electronic device, including an input unit configured to obtain a first sequence including Q elements, the Q being an integer greater than 0; a control unit configured to perform a zero-padding operation and a discrete Fourier transformation spreading operation on the first sequence to determine an extension sequence, and perform a double-side data deletion operation based on the extension sequence to determine a second sequence, wherein the second sequence includes M elements, the M being an integer greater than 0.Type: ApplicationFiled: March 10, 2022Publication date: May 15, 2025Applicant: NTT DOCOMO, INC.Inventors: Juan Liu, Wenjia Lui, Xiaolin Hou, Lan Chen
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Patent number: 12289270Abstract: The present disclosure is designed to determine appropriate spatial resources for uplink control channels. A user terminal has a receiving section that receives, through higher layer signaling, a plurality of entries of information related to a spatial resource for an uplink control channel, and receives specifying information that specifies, amongst the plurality of entries, entries that correspond respectively to the plurality of uplink control channel resources, by means of a control element of media access control, and a control section that controls determination of one of the plurality of uplink control channel resources, and controls transmission of the uplink control channel, by using an entry that corresponds to the determined uplink control channel resource, amongst the specified entries.Type: GrantFiled: January 12, 2018Date of Patent: April 29, 2025Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Min Liu, Xiaolin Hou, Chongning Na
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Patent number: 12289171Abstract: User equipment includes a control unit that selects a sidelink resource from candidate resources excluding a selected resource and a further resource within a predetermined time window and a transmitting unit that performs transmission or retransmission using the resource selected by the control unit.Type: GrantFiled: May 10, 2019Date of Patent: April 29, 2025Assignee: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Satoshi Nagata, Huan Wang, Xiaolin Hou
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Patent number: 12289721Abstract: A terminal according to one aspect of the present disclosure includes a control section that determines spatial relation information for a physical uplink shared channel (PUSCH) for a plurality of transmission/reception points by using at least one of radio resource control (RRC) signaling, medium access control (MAC) signaling, and downlink control information (DCI), and a transmitting section that repeatedly transmits the PUSCH by using a spatial domain transmission filter based on the spatial relation information. According to one aspect of the present disclosure, PUSCH repetition transmission can be appropriately controlled.Type: GrantFiled: February 28, 2020Date of Patent: April 29, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
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Publication number: 20250132965Abstract: The present disclosure provides a terminal device and a processing method. The terminal device includes: a receiving unit configured to receive processing configuration information, wherein the processing configuration information indicates at least one of pre-processing and post-processing of Discrete Fourier Transform (DFT) spreading; a processing unit configured to determine at least one of the pre-processing and the post-processing of the DFT spreading according to the processing configuration information.Type: ApplicationFiled: August 10, 2021Publication date: April 24, 2025Applicant: NTT DOCOMO, INC.Inventors: Juan Liu, Wenjia Liu, Xiaolin Hou, Anxin Li, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
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Patent number: 12278785Abstract: A terminal according to one aspect of the present disclosure includes: a receiving section that performs channel state information (CSI) measurement regarding a plurality of panels; and a control section that determines which results of the CSI measurement related to which panel are to be included in a CSI report. According to one aspect of the present disclosure, a panel specific CSI report can be appropriately used.Type: GrantFiled: February 4, 2020Date of Patent: April 15, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Shaozhen Guo, Jing Wang, Xiaolin Hou
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Patent number: 12279270Abstract: A user terminal includes a receiving section that receives information indicating a type of a codebook corresponding to each service, and a transmitting section that maps, to the codebook, delivery confirmation information for a downlink shared channel associated with each service and that transmits the codebook. Thus, feedback of an HARQ-ACK can be flexibly controlled.Type: GrantFiled: April 2, 2019Date of Patent: April 15, 2025Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Shaozhen Guo, Xiaolin Hou
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Patent number: 12273749Abstract: A terminal includes a receiving section that receives cell-specific or terminal-specific configuration information related to a physical downlink control channel, and a control section that controls, on the basis of the configuration information, a configuration of a search space set to monitor a physical downlink control channel to schedule a physical downlink shared channel associated with a multicast traffic channel. Therefore, it is possible to appropriately control monitoring of a physical downlink control channel to schedule a physical downlink shared channel to transfer multicast data.Type: GrantFiled: June 21, 2019Date of Patent: April 8, 2025Assignee: NTT DOCOMO, INC.Inventors: Shohei Yoshioka, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Patent number: 12267134Abstract: A terminal, as disclosed, includes: a processor that, for a plurality of physical downlink shared channels (PDSCHs) transmitted from a plurality of transmission reception points (TRPs), respectively, controls transmission of capability information for indicating a first maximum number regarding a number of layers per PDSCH and a second maximum number regarding a total number of layers of the plurality of PDSCHS; and a receiver that receives the plurality of PDSCHs. The processor controls reporting of a single channel state information (CSI) for the plurality of TRPs, the single CSI indicating a first rank and a second rank that are determined according to a set of ranks based on higher layer signaling. In other aspects, a radio communication method, a base station, and a system are also disclosed.Type: GrantFiled: June 14, 2024Date of Patent: April 1, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Shaozhen Guo, Xiaolin Hou
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Patent number: 12261688Abstract: A terminal receives a radio frame having a second slot pattern to be used in a case in which a modulation system (FTN) different from a modulation system in a case of using a first slot pattern is applied. The terminal applies for the second slot pattern a configuration of an uplink and a downlink according to a time division duplex in the radio frame by using a reference subcarrier spacing same as that for the first slot pattern.Type: GrantFiled: August 8, 2019Date of Patent: March 25, 2025Assignee: NTT DOCOMO, INC.Inventors: Hiroki Harada, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
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Patent number: 12255746Abstract: A terminal according to an aspect of the present disclosure includes: a receiving section that receives downlink control information for releasing a plurality of semi-persistent schedulings (SPSs); and a control section that performs control of including a valid Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK) corresponding to the downlink control information at at least one of a plurality of positions of HARQ-ACKs corresponding to downlink shared channel (Physical Downlink Shared Channel (PDSCH)) reception of the plurality of SPSs in a semi-static HARQ-ACK codebook. According to an aspect of the present disclosure, the HARQ-ACK codebook can be appropriately determined even when joint SPS release is used.Type: GrantFiled: September 17, 2019Date of Patent: March 18, 2025Assignee: NTT DOCOMO, INC.Inventors: Yuki Takahashi, Satoshi Nagata, Xiaohong Zhang, Shaozhen Guo, Lihui Wang, Xiaolin Hou
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Patent number: 12250673Abstract: In order to appropriately control reception of downlink control information, a user terminal according to one aspect of the present disclosure includes: a receiving section that receives first downlink control information and second downlink control information to which at least one of different Radio Network Temporary Identifiers (RNTIs), different modulations and coding tables, and different transmission parameters are applied; and a control section that stores the first downlink control information and the second downlink control information thus received so that the number of pieces of the first downlink control information and the second downlink control information to store do not exceed a given number.Type: GrantFiled: September 21, 2018Date of Patent: March 11, 2025Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou