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公开(公告)号：US20190132809A1
公开(公告)日：2019-05-02
申请号：US16096043
申请日：2017-04-19
发明人： HIDEKAZU TSUBOI , SHOICHI SUZUKI , SHOHEI YAMADA
摘要： A technology related to a terminal apparatus, a communication method, and an integrated circuit is provided for efficiently monitoring a status of communication. The terminal apparatus communicates with a base station apparatus by switching between a first frequency and a second frequency in the cell, in which any one of the first frequency and the second frequency is a frequency by which the terminal apparatus has established Radio Resource Control (RRC) connection, and a timer stops or continues based on first information in the case of switching between the first frequency and the second frequency.
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公开(公告)号：US20190052504A1
公开(公告)日：2019-02-14
申请号：US16074889
申请日：2017-01-31
发明人： TAKASHI HAYASHI , WATARU OUCHI , TATSUSHI AIBA , SHOICHI SUZUKI
摘要： To provide a terminal apparatus, a base station apparatus, and a communication method that enable a communication apparatus (terminal apparatus and/or base station apparatus) supporting multiple subcarrier spacings to perform efficient communication. A terminal apparatus includes: a control unit configured to identify a subcarrier spacing set applicable to a data channel, based on a first parameter included in higher layer signaling; and a reception unit configured to receive a control channel including data channel assignment information. Based on a type of the data channel assignment information, the terminal apparatus selects, from the subcarrier spacing set, a subcarrier spacing applicable to the data channel assigned based on the data channel assignment information.
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13.发明申请公开(公告)号：US20190052329A1
公开(公告)日：2019-02-14
申请号：US16088788
申请日：2017-03-09
发明人： TATSUSHI AIBA , SHOICHI SUZUKI
摘要： Uplink data is transmitted efficiently. Provided is a terminal apparatus including a receiver configured to receive a first UL grant, a second UL grant and a random access response grant, and a transmitter configured to perform transmission on a PUSCH. In a case that the transmission on the PUSCH corresponds to the second UL grant to which a CRC parity bit scrambled by a C-RNTI is attached, first transmission is performed on the PUSCH at a transmission time interval of a length indicated using the second UL grant. In a case that the transmission on the PUSCH corresponds to a random access response grant, second transmission on the PUSCH is performed at a transmission time interval of a length of 1 ms.
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公开(公告)号：US20190037637A1
公开(公告)日：2019-01-31
申请号：US16072749
申请日：2017-01-13
发明人： SHOICHI SUZUKI , TATSUSHI AIBA
摘要： A terminal apparatus and a base station apparatus are capable of efficiently communicating with each other. A terminal apparatus monitors an NB-PDCCH, performs a DRX functionality that controls monitoring of the NB-PDCCH, starts a downlink HARQ RTT timer, based at least on the NB-PDCCH indicating a downlink transmission, starts an uplink HARQ RTT timer, based at least on the NB-PDCCH indicating an uplink transmission, starts a drx-InactivityTimer, based at least on the downlink HARQ RTT timer expires, starts the drx-InactivityTimer, based at least on the uplink HARQ RTT timer expires, and stops the drx-InactivityTimer, based at least on the NB-PDCCH indicating the downlink transmission or the uplink transmission.
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公开(公告)号：US20180317220A1
公开(公告)日：2018-11-01
申请号：US15740443
申请日：2016-07-04
CPC分类号： H04W24/10 , H04L5/0032 , H04L5/0053 , H04W72/0413
摘要： To efficiently report channel state information in an uplink. A terminal device includes a transmission unit reporting a first RI for a first CSI process and reporting a second RI for a second CSI process. In a case that in a certain subframe, the first RI report collides with the second RI report, and the first RI and the second RI are reported on an identical physical uplink control channel with a first format, and the first CSI process is not a RI-reference CSI process for the second CSI process, the first RI and the second RI are reported. In a case that the first CSI process is a RI-reference CSI process for the second CSI process, any of the first RI report and the second RI report is dropped.
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公开(公告)号：US20180270767A1
公开(公告)日：2018-09-20
申请号：US15984990
申请日：2018-05-21
CPC分类号： H04W52/34 , H04W52/146 , H04W72/04 , H04W72/0473
摘要： With respect to uplink carrier aggregation, transmit power in a serving cell (c) is determined on the basis of maximum output power (PCMAX, C) for the serving cell c and total maximum output power (PCMAX). The maximum output power (PCMAX, C) for the serving cell (c) is based on maximum output power (PPowerClass) defined by a power class corresponding to a band to which the serving cell (c) belongs, and the total maximum output power (PCMAX) is based on maximum output power (PPowerClass) defined by a power class corresponding to a combination of aggregated bands.
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公开(公告)号：US20180227881A1
公开(公告)日：2018-08-09
申请号：US15750131
申请日：2016-08-02
摘要： A terminal device and a base station device efficiently communicate with each other by using multiple cells. The terminal device selects a physical uplink control channel resource used to transmit an SR from a first resource on a first cell for a first subframe and a second resource on a second cell for the first subframe. In a case that neither transmission of a first HARQ-ACK using a given PUCCH format in the first cell nor transmission of second HARQ-ACK using a given PUCCH format in the second cell takes place in the first subframe, the SR is multiplexed with each of the first HARQ-ACK transmitted by using the given PUCCH format in the first subframe on the first cell and the second HARQ-ACK transmitted by using the given PUCCH format in the first subframe on the second cell.
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公开(公告)号：US20180220458A1
公开(公告)日：2018-08-02
申请号：US15748158
申请日：2016-07-27
发明人： WATARU OUCHI , KAZUYUKI SHIMEZAWA , NAOKI KUSASHIMA , SHOICHI SUZUKI , TAKASHI HAYASHI , KAZUNARI YOKOMAKURA
摘要： A terminal device including a reception unit configured to receive higher layer signalling including a first configuration relating to measurement of a Received Signal Strength Indicator (RSSI) and a second configuration relating to reporting of the RSSI, a measurement unit configured to measure the RSSI and/or a channel occupancy; and a transmission unit configured to report a measurement result for the RSSI and/or the channel occupancy. The measurement result for the RSSI is an average of measurement results obtained in a first period, and the channel occupancy is obtained based on the measurement results equal to or greater than a first threshold among the measurement results obtained in the first period.
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公开(公告)号：US20180192415A1
公开(公告)日：2018-07-05
申请号：US15741340
申请日：2016-06-29
摘要： To efficiently report channel state information in an uplink. A terminal device includes a transmission unit which reports CSI for multiple subframe sets in a first serving cell and CSI for a second serving cell, first CSIs for some of multiple subframe sets for the first serving cell being reported on a PUCCH with a first format, and second CSI for the rest of multiple subframe sets for the first serving cell being reported on a PUCCH with the first format, and in a case that in a certain subframe, the second CSI report collides with the CSI report in the second serving cell, the second CSI and the CSI for the second serving cell being reported on the PUCCH with a second format.
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公开(公告)号：US20240340681A1
公开(公告)日：2024-10-10
申请号：US18744566
申请日：2024-06-14
IPC分类号： H04W24/10 , H04L5/00 , H04L5/14 , H04W72/1273
CPC分类号： H04W24/10 , H04L5/0032 , H04L5/0057 , H04L5/0082 , H04L5/0091 , H04L5/001 , H04L5/0048 , H04L5/14 , H04W72/1273
摘要： A terminal device configured to report CSI using multiple uplink cells. In a case that a total of the number of one or multiple first channel state information reports and multiple second channel state information reports in a first subframe exceeds a first certain number, a second certain number of channel state information reports of the one or multiple first channel state information reports and the multiple second channel state information reports are not updated. The second certain number is a number obtained by subtracting the first certain number from the total of the number of the one or multiple first channel state information reports and the number of the multiple second channel state information reports.
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