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公开(公告)号：US11930510B2
公开(公告)日：2024-03-12
申请号：US18088407
申请日：2022-12-23
发明人： Shohei Yamada , Yasuyuki Kato
CPC分类号： H04W72/23 , H04L5/0053 , H04W56/0005 , H04W56/001 , H04W56/0045 , H04W56/005 , H04W56/0055 , H04W72/21 , H04W74/08 , H04W92/10
摘要： A mobile station device that receives control information having a downlink control information format and addressed by a Cell-Radio Network Temporary Identifier on a physical downlink control channel from a base station device. The mobile station device also transmits a random access preamble using a random access channel to the base station device based on receiving the control information which provides a random access order. The downlink control information format includes a first field for downlink resource assignment. In a first case that the downlink control information form at is used for the random access order, a fixed value is set to the first field, while in a second case in which the downlink control information format is used for downlink scheduling, a first value different from the fixed value is set to the first field.
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公开(公告)号：US11895721B2
公开(公告)日：2024-02-06
申请号：US17846144
申请日：2022-06-22
发明人： Takako Hori , Shohei Yamada , Hidekazu Tsuboi
摘要： A base station apparatus for communicating with a terminal apparatus transmits a Radio Resource Control (RRC) connection reconfiguration request message including a Data Radio Bearer (DRB) configuration to the terminal apparatus. The DRB configuration includes a DRB identity and a Packet Data Convergence Protocol Layer (PDCP) entity configuration corresponding to the DRB identity. PDCP entity configuration information includes one of a PDCP entity configuration for Evolved Universal Terrestrial Radio Access (E-UTRA) and a PDCP entity configuration for New Radio (NR). A PDCP entity is established in accordance with the PDCP entity configuration information.
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公开(公告)号：US11818620B2
公开(公告)日：2023-11-14
申请号：US16471190
申请日：2017-12-19
发明人： Ningjuan Chang , Shohei Yamada , Renmao Liu
CPC分类号： H04W36/18 , H04W36/0058 , H04W36/0072 , H04W36/08 , H04W76/27
摘要： Provided are a method executed by user equipment (UE), UE, and a base station. The method includes: receiving from the base station a first Radio Resource Control (RRC) message containing a handover command; storing a handover configuration included in the first RRC message; and managing the handover configuration. Before receiving the RRC message containing the handover command, the UE still maintains communication with a source base station before a handover is executed, thus shortening data transmission interruption time.
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公开(公告)号：US11778603B2
公开(公告)日：2023-10-03
申请号：US17429851
申请日：2020-02-13
IPC分类号： H04W72/044 , H04W76/20 , H04W72/0446 , H04W72/1273 , H04W72/23
CPC分类号： H04W72/0466 , H04W72/0446 , H04W72/1273 , H04W72/23 , H04W76/20
摘要： A terminal apparatus and a base station apparatus efficiently communicate. A terminal apparatus including a receiver configured to receive an RRC message including first configuration information and to receive DCI on a PDCCH, a determination unit configured to determine a time parameter for transmitting a PUSCH, based on a bit sequence indicated by a first field of the DCI, and a transmitter configured to transmit the PUSCH, based on the time parameter. A relationship between the bit sequence and the time parameter is defined by a first parameter group in a case that a first condition is satisfied and that the first configuration information includes the first parameter group and the relationship between the bit sequence and defined by a second parameter group in a case that a second condition is satisfied and that the first configuration information includes the second parameter group.
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公开(公告)号：US11716767B2
公开(公告)日：2023-08-01
申请号：US17464252
申请日：2021-09-01
发明人： Shohei Yamada , Yasuyuki Kato
CPC分类号： H04W74/0833 , H04L5/0057 , H04W74/008 , H04W74/0866 , H04W72/20
摘要： A mobile station apparatus detects a signature not reserved as a dedicated signature informed by a base station. In addition, the mobile station apparatus performs a random access using a randomly selected signature, in case of detecting a signature not reserved as a dedicated signature.
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公开(公告)号：US11582770B2
公开(公告)日：2023-02-14
申请号：US16644524
申请日：2018-09-07
摘要： The present invention includes a receiver configured to receive first information, the first information including information for configuring whether transform precoding for a physical uplink shared channel is enabled, and a transmitter configured to transmit information indicating a first power headroom level for the physical uplink shared channel with the transform precoding enabled and information indicating a second power headroom level for the physical uplink shared channel with the transform precoding not enabled.
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公开(公告)号：US11483055B2
公开(公告)日：2022-10-25
申请号：US16960339
申请日：2018-12-21
发明人： Chao Luo , Shohei Yamada , Renmao Liu
摘要： The present invention provides user equipment and a beam failure recovery method. The beam failure recovery method for user equipment (UE), includes: receiving indication of beam failure instance; accumulating the number of received indications so as to obtain an accumulative value; initiating a beam failure recovery procedure when the accumulative value is greater than a first threshold; and skipping processing the received indication of beam failure instance during the beam failure recovery period. Thus, it is possible to eliminate false beam failures.
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公开(公告)号：US11382165B2
公开(公告)日：2022-07-05
申请号：US16956846
申请日：2018-12-18
发明人： Takako Hori , Shohei Yamada , Hidekazu Tsuboi
摘要： A terminal apparatus for communicating with one or more base station apparatuses, the terminal apparatus including: a receiver configured to receive an RRC connection reconfiguration message including a DRB configuration from the one or more base station apparatuses; and a processing unit configured to release a PDCP entity, in a case that information indicating that a full configuration is applied is included in the RRC connection reconfiguration message, and that a value of an EPS bearer identity included in the DRB configuration is part of a current configuration of the terminal apparatus, and that the PDCP entity is configured on a DRB corresponding to the EPS bearer identity.
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公开(公告)号：US11375563B2
公开(公告)日：2022-06-28
申请号：US16957706
申请日：2018-12-27
发明人： Takako Hori , Shohei Yamada , Hidekazu Tsuboi
摘要： A terminal apparatus for communicating with one or more base station apparatuses, the terminal apparatus including: a receiver configured to receive an RRC reconfiguration message including a DRB configuration from the one or more base station apparatuses, the DRB configuration including a DRB identity and an EPS bearer identity; and a processing unit configured to associate a DRB established with the EPS identity in a case that the DRB identity is not part of a current configuration of the terminal apparatus, the terminal apparatus is configured with EN-DC, and the DRB was configured for the EPS bearer identity before the RRC reconfiguration message is received.
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10.发明授权公开(公告)号：US11317400B2
公开(公告)日：2022-04-26
申请号：US17042905
申请日：2019-03-29
摘要： To efficiently transmit a sounding reference signal. One or more downlink BWPs are configured in a serving cell, one or more uplink BWPs are configured in a serving cell, each BWP of the one or more downlink BWPs is identified by a downlink BWP index, each BWP of the one or more uplink BWPs is identified by the uplink BWP index, and in a case that one of the one or more downlink BWPs configured is activated in a serving cell, one of the one or more uplink BWPs configured is activated in a serving cell, and an SRS transmission in one or more serving cells of a plurality of the serving cells is triggered, the SRS for the BWP indicated by the uplink BWP index activated in the serving cell activated is transmitted.
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