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公开(公告)号:US20210234628A1
公开(公告)日:2021-07-29
申请号:US17052433
申请日:2019-05-10
Applicant: SHARP KABUSHIKI KAISHA , FG Innovation Company Limited
Inventor: OSAMU NAKAMURA , JUNGO GOTOH , SEIJI SATO , YASUHIRO HAMAGUCHI
Abstract: The present invention provides a terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a controller configured to use an MCS table among a first MCS table, a second MCS table, and a third MCS table, and an MCS index, to determine a modulation order and a target coding rate to be used in a PDSCH, wherein the third MCS table is used in a case that at least a higher parameter for an MCS table is configured to a prescribed value, and a PDSCH is scheduled by a PDCCH with a CRC scrambled by a first RNTI, or a PDSCH is scheduled by a PDCCH with a CRC scrambled by a second RNTI is added.
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公开(公告)号:US20210160917A1
公开(公告)日:2021-05-27
申请号:US17045427
申请日:2019-04-04
Applicant: SHARP KABUSHIKI KAISHA , FG Innovation Company Limited
Inventor: JUNGO GOTO , OSAMU NAKAMURA , SEIJI SATO , YASUHIRO HAMAGUCHI
Abstract: To provide a base station apparatus, a terminal apparatus, and a communication method capable of ensuring high reliability and low latency of URLLC. There are included a receiver configured to detect first and second DCI formats and RRC information, and a transmitter capable of data transmission based on any of a first uplink grant to be available via activation by using a radio resource periodicity included in the RRC information and the first DCI format, a second uplink grant to be available via activation by using the radio resource periodicity included in the RRC information and the second DCI format, and a third uplink grant to be available after detection of the second DCI format, wherein multiple DCI formats are detected, the transmitter performs an override, in a case that the third uplink grant overlaps in a time domain with the second uplink grant, and performs an override, in a case that the first uplink grant overlaps in a time domain with the third uplink grant.
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公开(公告)号:US20210135920A1
公开(公告)日:2021-05-06
申请号:US16616857
申请日:2018-05-30
Applicant: SHARP KABUSHIKI KAISHA , FG INNOVATION COMPANY LIMITED
Inventor: OSAMU NAKAMURA , TAKASHI YOSHIMOTO , JUNGO GOTO , YASUHIRO HAMAGUCHI
Abstract: Proper use of a sparse code prevents PAPR performance from improperly degrading.
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公开(公告)号:US20210076409A1
公开(公告)日:2021-03-11
申请号:US17050201
申请日:2019-04-25
Applicant: SHARP KABUSHIKI KAISHA , FG Innovation Company Limited
Inventor: JUNGO GOTO , OSAMU NAKAMURA , SEIJI SATO , YASUHIRO HAMAGUCHI
Abstract: A terminal apparatus includes a control information detection unit configured to detect first and second DCI, and a transmitter configured to perform UL data transmission based on the first DCI or cancel a resource allocated in the second DCI. A UL grant using the first DCI is detected, when performing UL data transmission based on the UL grant, after the data transmission, a first timer for a corresponding HARQ process is started and a second timer is stopped, and when the first timer expires, the second timer for a HARQ process is started. When cancellation of the UL data transmission using the second DCI is detected, at a timing for the data transmission canceled, the second timer is restarted in a case that the first timer expires and the second timer is running, and the second timer is started in a case that the second timer is not running.
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公开(公告)号:US20200383089A1
公开(公告)日:2020-12-03
申请号:US16636621
申请日:2018-08-10
Applicant: SHARP KABUSHIKI KAISHA , FG INNOVATION COMPANY LIMITED
Inventor: JUNGO GOTO , OSAMU NAKAMURA , SEIJI SATO , YASUHIRO HAMAGUCHI
Abstract: A terminal apparatus includes a transmitter configured to transmit PUSCH data and a receiver configured to receive RRC information. The transmitter transmits the PUSCH data by using a resource associated with an HARQ process ID determined by symbol information for transmission of the PUSCH data, a period, and the number of HARQ processes. In a case that the receiver receives no response to the transmission of the PUSCH data with the HARQ process ID after the transmission of the PUSCH data is performed and before a timer included in the RRC information expires, the transmitter transmits new PUSCH data by using the resource associated with the HARQ process ID determined by the symbol information for the transmission of the PUSCH data, the period, and the number of HARQ processes.
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公开(公告)号:US20200296766A1
公开(公告)日:2020-09-17
申请号:US16891836
申请日:2020-06-03
Applicant: SHARP KABUSHIKI KAISHA
Inventor: HIROMICHI TOMEBA , TOMOKI YOSHIMURA , YASUHIRO HAMAGUCHI
Abstract: A decrease in access rate to a wireless medium caused by an exposed terminal apparatus is improved. A wireless communication apparatus of the present invention includes a reception unit that receives a frame indicating start of a medium protection operation, and acquires, from the frame indicating the start of the medium protection operation, BSS identification information for identifying a BSS to which a transmission-source wireless communication apparatus of the frame indicating the start of the medium protection operation belongs, and a transmission unit that determines whether or not to start a transmission operation of a frame addressed to another wireless communication apparatus belonging to a BSS to which the wireless communication apparatus belongs based on the BSS identification information.
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公开(公告)号:US20200008102A1
公开(公告)日:2020-01-02
申请号:US16482564
申请日:2018-02-02
Applicant: SHARP KABUSHIKI KAISHA , FG Innovation Company Limited
Inventor: KOZUE YOKOMAKURA , YASUHIRO HAMAGUCHI
Abstract: A terminal apparatus for communicating with a base station apparatus includes a transmission unit configured to transmit Phase-tracking reference signals (PTRS), and an higher layer processing unit configured to configure information for indicating a time density and/or a frequency density of the PTRS. A PTRS pattern is configured such that the time density of the PTRS is higher for a larger Modulation and Coding Scheme (MCS) scheduled for the terminal apparatus, and the frequency density of the PTRS is based on the number of resource blocks scheduled for the terminal apparatus.
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公开(公告)号:US20190271843A1
公开(公告)日:2019-09-05
申请号:US16344291
申请日:2017-11-02
Applicant: SHARP KABUSHIKI KAISHA
Inventor: KATSUYA KATO , YASUHIRO HAMAGUCHI , HIROYUKI KATATA , KOKI SUZUKI
Abstract: A display unit is configured to display visual information that is visually recognized and superimposed on an external scene. A detection unit is configured to detect an event possibly causing danger by visually recognizing the visual information. A mounting unit is configured to be mountable on a head of a user and support the display unit and the detection unit. A controller is configured to suppress display of the visual information on the display unit in a case that the event is detected. Embodiments of the present invention can be applied to any of a terminal apparatus, a communication method, or a program.
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公开(公告)号:US20190261374A1
公开(公告)日:2019-08-22
申请号:US16400509
申请日:2019-05-01
Applicant: SHARP KABUSHIKI KAISHA
Inventor: YASUHIRO HAMAGUCHI
Abstract: In some embodiments, a communication apparatus can transmit OFDM signals that include at least a first period and a second period. The communication apparatus can include a transmitting section and a signal processing section. The transmitting section can transmit the OFDM signals to an additional communication apparatus by using multiple subcarriers allocated a set of two or more contiguous frequency channels. The contiguous frequency channels can be used simultaneously by the additional communication apparatus. The signal processing section is configured to not use at least all subcarriers positioned in the respective centers of these frequency channels when allocating data to the subcarriers in the frequency channels used to transmit the OFDM signals for a first period.
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公开(公告)号:US20190007971A1
公开(公告)日:2019-01-03
申请号:US15752381
申请日:2016-08-18
Applicant: SHARP KABUSHIKI KAISHA
Inventor: TOMOKI YOSHIMURA , HIROMICHI TOMEBA , YASUHIRO HAMAGUCHI
Abstract: A terminal device decreases degradation of communication performance that is caused by interference and increases in the case that a CCA level is increased. The terminal device communicating with a base station apparatus includes a transmitting unit that transmits a frame, a transmission burst length setting unit that modifies a transmission burst length of the frame, and a carrier sense unit that performs carrier sensing before the frame is transmitted. The transmission burst length is different depending on whether a threshold value for the carrier sensing is configured to a first value or a second value.
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