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: 11818754Abstract: 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: GrantFiled: May 16, 2022Date of Patent: November 14, 2023Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Shohei Yoshioka, Satoshi Nagata, Lihui Wang, Shaozhen Guo, Xiaolin Hou
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Patent number: 11811508Abstract: A method and device for transmitting reference signals are provided in the present disclosure, where the method for transmitting reference signals is performed by a user terminal and time-frequency resources for the user terminal are divided into multiple groups of time-frequency resources. The method includes: selecting a reference signal port for each group of time-frequency resources from candidate reference signal ports; and transmitting reference signals by using the reference signal port corresponding to each group of time-frequency resources.Type: GrantFiled: August 9, 2018Date of Patent: November 7, 2023Assignee: NTT DOCOMO, INC.Inventors: Wenjia Liu, Runxin Wang, Xiaolin Hou, Xin Wang
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Patent number: 11812433Abstract: A terminal is disclosed including a processor that maps an encoded bit sequence of an uplink control information firstly in a layer direction of a resource of an uplink shared channel, secondly in a frequency direction of the resource, and thirdly in a time direction of the resource; and a transmitter that transmits the uplink control information in the resource. In other aspects, a radio communication method for a terminal and a base station are also disclosed.Type: GrantFiled: November 17, 2017Date of Patent: November 7, 2023Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Publication number: 20230345555Abstract: A radio communication node receives resource information indicating a type of resources allocated to a radio link with a lower node from a network and establishes the radio link based on the resource information. The type of resources includes a specific type that can designate availability of a frequency resource in a frequency direction. When the frequency resource is the specific type, the radio communication node can receive the resource information indicating the availability of the frequency resource.Type: ApplicationFiled: July 30, 2020Publication date: October 26, 2023Applicant: NTT DOCOMO, INC.Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Xiaolin Hou
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Publication number: 20230336394Abstract: The present disclosure provides a spectrum shaping method for non-orthogonal waveforms and an electronic device. The electronic device includes: a processing unit configured to perform discrete Fourier transform spreading on data to be transmitted to obtain a spread signal, perform subcarrier mapping on the spread signal, perform spectrum shaping on subcarriers by using a spectrum shaping factor to obtain a shaped signal, and obtain a non-orthogonal Faster-Than-Nyquist signal according to the shaped signal; and a transmitting unit configured to transmit the non-orthogonal Faster-Than-Nyquist signal.Type: ApplicationFiled: October 14, 2020Publication date: October 19, 2023Applicant: NTT DOCOMO, INC.Inventors: Juan Liu, Wenjia Liu, Xiaolin Hou
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Patent number: 11791879Abstract: A user terminal according to one aspect of the present disclosure includes a transmitting section that transmits channel state information by use of a semi-persistently specified resource, and a control section that controls, in a case of transmitting data during a time duration in which the semi-persistently specified resource is included, transmission of the channel state information and the data. According to one aspect of the present disclosure, SP-CSI reporting can be appropriately controlled.Type: GrantFiled: November 10, 2017Date of Patent: October 17, 2023Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Huiling Li, Xiaolin Hou, Chongning Na
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Patent number: 11792055Abstract: The present disclosure provides a terminal and a base station in a wireless communication system. The terminal may include a control unit configured to input a downlink channel to a neural network of the terminal; and the control unit further configured to control the neural network of the terminal to process the input and output feedback information.Type: GrantFiled: January 8, 2020Date of Patent: October 17, 2023Assignee: NTT DOCOMO, INC.Inventors: Xin Wang, Jing Wang, Xiaolin Hou, Lan Chen, Anxin Li, Takahiro Asai
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Patent number: 11785583Abstract: To appropriately perform data transmission using a certain symbol, one aspect of a user terminal of the present disclosure includes: a transmitting section that transmits an uplink shared channel by using a certain number of symbols; and a control section that performs control such that transmission of the uplink shared channel using one symbol is performed when an allocation type allowing a change of a start position of the uplink shared channel is employed in a case that a plurality of allocation types for a time direction of the uplink shared channel are supported.Type: GrantFiled: February 13, 2018Date of Patent: October 10, 2023Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Patent number: 11777588Abstract: A terminal is disclosed that includes a receiver that receives Channel State Information (CSI) reporting configuration information which is a Radio Resource Control (RRC) information element. The terminal also includes a processor that ignores a second RRC parameter regarding report quantity when the terminal is configured with a first RRC parameter regarding report quantity by the CSI reporting configuration information. The processor also performs a control to report Layer 1 Signal to Interference plus Noise Ratio (L1-SINR) when quantity for reporting L1-SINR is indicated by the first RRC parameter. In other aspects, a radio communication method and a system are also disclosed.Type: GrantFiled: December 27, 2022Date of Patent: October 3, 2023Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Jing Wang, Xiaolin Hou
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Patent number: 11778614Abstract: A terminal is disclosed that includes a receiver that receives first downlink control information (DCI) for scheduling initial transmission and second DCI for scheduling retransmission and a processor that controls transmission of a first uplink (UL) shared channel that is scheduled by the first DCI and transmission of a second UL shared channel that is scheduled by the second DCI. The processor controls the transmission of the first UL shared channel and the transmission of the second UL shared channel based on a reference value that is configured for timing for transmitting a UL shared channel based on information provided through higher layer signaling. The processor also controls transmission of the second UL shared channel in response to information included in each of the first DCI and the second DCI that indicates whether the UL shared channel includes initially transmitted data.Type: GrantFiled: April 13, 2021Date of Patent: October 3, 2023Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Shaozhen Guo, Lihui Wang, Liu Liu, Xiaolin Hou, Huiling Jiang
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Publication number: 20230309154Abstract: A radio communication node (100B) receives, from a network, resource information indicating the type of a resource to be allocated to a radio link with a lower node, and establishes the radio link based on the resource information. The radio communication node (100B) receives resource information indicating the type of a time resource in a time direction and the type of a frequency resource in a frequency direction.Type: ApplicationFiled: June 29, 2020Publication date: September 28, 2023Applicant: NTT DOCOMO, INC.Inventors: Daisuke Kurita, Hiroki Harada, Weiqi Sun, Jing Wang, Xiaolin Hou
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Patent number: 11770831Abstract: In order to suppress deterioration of the communication quality also in the case of transmitting uplink data and uplink control information using an uplink shared channel in the future radio communication system, one aspect of a user terminal of the present invention has a transmitting section that transmits uplink data and uplink control information, and a control section that controls so as to select one of puncturing processing and rate matching processing to apply to the uplink data, based on an indication from a base station and/or a predetermined condition, in the case of multiplexing the uplink data and the uplink control information into an uplink shared channel to transmit.Type: GrantFiled: August 1, 2017Date of Patent: September 26, 2023Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Publication number: 20230300887Abstract: A terminal (UE 200) receives a temporary identifier and offset information in an initial access channel when using a second frequency band different from a first frequency band allocated for mobile communication. Also, the terminal (UE 200) converts the received temporary identifier into an identifier for communication in the second frequency band based on the offset information.Type: ApplicationFiled: July 30, 2020Publication date: September 21, 2023Applicant: NTT DOCOMO, INC.Inventors: Daisuke Kurita, Shinya Kumagai, Hiroki Harada, Jing Wang, Xiaolin Hou, Liu Liu, Junli Li, Yong Li
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Publication number: 20230291621Abstract: A terminal includes a transmitting and receiving unit and a control unit. The transmitting and receiving unit transmits and receives a slot including a plurality of symbols. The control unit determines number of symbols included in a sub-frame on the basis of a time length of the symbol. The control unit determines the number of symbols included in the sub-frame according to a degree of modulation at which the time length of the symbol varies.Type: ApplicationFiled: May 17, 2023Publication date: September 14, 2023Applicant: NTT DOCOMO, INC.Inventors: Hiroki Harada, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xin Wang, Xiaolin Hou
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Publication number: 20230292259Abstract: A terminal according to one aspect of the present disclosure includes: a transmission section that transmits a first medium access control-control element (MAC CE) including power-management maximum power reduction (PMPR) and a first value indicating an application timing of the PMPR; and a control section that controls transmission of an uplink (UL) signal based on the PMPR. According to one aspect of the present disclosure, it is possible to clarify applied PMPR.Type: ApplicationFiled: July 10, 2020Publication date: September 14, 2023Applicant: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Weiqi Sun, Jing Wang, Xiaolin Hou
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Patent number: 11758538Abstract: According to one aspect of the present invention, a user terminal has a transmission section that performs UL grant-free transmission, in which UL data is transmitted without a UL transmission indication from a radio base station, and a control section that controls the UL grant-free transmission based on a configuration of the UL grant-free transmission, identified based on a physical layer signaling, and the transmission section transmits a delivery acknowledgment in response to receipt of the physical layer signaling. According to one aspect of the present invention, even when UL grant-free transmission is employed, the decline in communication throughput and the like can be reduced.Type: GrantFiled: May 12, 2017Date of Patent: September 12, 2023Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Patent number: 11757580Abstract: Provided by an embodiment of the present invention are a user equipment and base station that may be used in a wireless communication system, or a method performed by the user equipment and the base station. The user equipment according to the embodiment of the present invention includes: a receiving unit that is configured to receive multiple access signature information for the user equipment from a base station, wherein the multiple access signature information includes correction information indicating a reference signal sequence sent with respect to the user equipment; and a control unit that is configured to determine the reference signal sequence of the user equipment according to the received correction information.Type: GrantFiled: September 28, 2018Date of Patent: September 12, 2023Assignee: NTT DOCOMO, INC.Inventors: Runxin Wang, Wenjia Liu, Xiaolin Hou, Daiki Takeda
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Patent number: 11757586Abstract: Embodiments of the present invention provide a wireless communication method, a user equipment and a base station. The wireless communication method performed by the user equipment includes: receiving reference signal configuration information transmitted by a base station by using at least one reference signal group, the reference signal configuration information including an identification of at least one reference signal group and measurement configuration information of at least one reference signal group; and feeding back feedback information about channel quality according to the reference signal configuration information.Type: GrantFiled: August 10, 2018Date of Patent: September 12, 2023Assignee: NTT DOCOMO, INC.Inventors: Jing Wang, Xiaolin Hou, Xin Wang, Yuki Matsumura, Satoshi Nagata
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Patent number: 11750354Abstract: A user terminal includes: a receiving section that receives information related to a plurality of resources respectively associated with a plurality of transmission points, wherein at least one of an offset and a guard domain is present between the plurality of resources; and a control section that performs communication with the plurality of transmission points based on the information. According to one aspect of the present disclosure, it is possible to appropriately perform communication that uses a plurality of transmission points.Type: GrantFiled: January 10, 2019Date of Patent: September 5, 2023Assignee: NTT DOCOMO, INC.Inventors: Yuki Matsumura, Satoshi Nagata, Runxin Wang, Jing Wang, Xiaolin Hou
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Patent number: 11751214Abstract: According to one aspect of the present invention, an apparatus is disclosed including a transmitter that transmits a transport block (TB) using a physical uplink shared channel based on a downlink control information, a processor that applies a same symbol allocation across a plurality of slots when transmission of the TB is carried out over the plurality of slots, and an input apparatus that accepts an input, wherein the TB contains information based on the input. In other aspects, a system including an apparatus and a base station is also disclosed.Type: GrantFiled: September 17, 2021Date of Patent: September 5, 2023Assignee: NTT DOCOMO, INC.Inventors: Keisuke Saito, Kazuaki Takeda, Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou