公开(公告)号：US20210029578A1

公开(公告)日：2021-01-28

申请号：US17061489

申请日：2020-10-01

申请人： FUJITSU LIMITED

发明人： Yoshiaki Ohta ,  YOSHIHIRO KAWASAKI ,  Takayoshi Ode ,  Nobuhisa Aoki

IPC分类号： H04W28/02 ,  H04W88/08 ,  H04W88/02 ,  H04W72/12

摘要： A wireless terminal for a wireless communication, the wireless terminal includes: a memory that includes a buffer configured to store uplink data, wherein the uplink data is configured to be transmitted; and a controller configured to transmit a buffer status report, the buffer status report including a first index, wherein the first index is one of a plurality of buffer status indices and corresponds to a buffer size indicating a size of the uplink data stored in the buffer, wherein the memory is configured to store a buffer status table in which a range from a minimum value of the buffer to a maximum value of the buffer is divided into a plurality of subranges, the plurality of subranges being associated with a part of the plurality of buffer status indices, and a rest of the plurality of buffer status indices are associated with one or more reserved fields.

公开(公告)号：US20200154284A1

公开(公告)日：2020-05-14

申请号：US16741184

申请日：2020-01-13

申请人： FUJITSU LIMITED

发明人： Takayoshi Ode ,  SHINICHIRO AIKAWA ,  Yoshiaki Ohta

IPC分类号： H04W16/14 ,  H04W72/04

摘要： A base station includes a transmitter configured to transmit to a terminal a first message; a receiver configured to receive from the terminal a second message including a capability information, the capability information including information which indicates whether or not the terminal is capable of using a first frequency for either uplink or downlink communication; and a processor configured to performs communication by using the first frequency together with a second frequency when the terminal is capable of using the first frequency for the communication.

公开(公告)号：US20200045633A1

公开(公告)日：2020-02-06

申请号：US16653241

申请日：2019-10-15

申请人： FUJITSU LIMITED

发明人： Takayoshi Ode ,  Yoshiaki Ohta

IPC分类号： H04W52/02 ,  H04W72/04 ,  H04W76/28 ,  H04W76/27

摘要： A radio terminal includes a radio reception device that receives line identification information related to a setting of a host line between a base station and a host node, and a radio signal from the base station, when a radio line between the radio terminal and the base station is disconnected, and the host line used by the radio terminal to communicate via the base station is maintained, a control device that scrambles or spreads a signal to be transmitted to another communication device or the base station, using the line identification information, and a radio transmission device that transmits the scrambled or spread signal to the base station.

公开(公告)号：US20190327640A1

公开(公告)日：2019-10-24

申请号：US16460379

申请日：2019-07-02

申请人： FUJITSU LIMITED

发明人： Yoshiaki Ohta ,  Takayoshi Ode ,  YOSHIHIRO KAWASAKI

IPC分类号： H04W28/06 ,  H04W88/08 ,  H04W80/02

摘要： A base station device including: a transmitter configured to transmit, for each logical channel, first data of a first type and second data of a second type; and processor circuitry configured to: omit information about a data length of the second data in a MAC protocol data unit (PDU), place a medium access control (MAC) header in front of a MAC service data unit (MSDU) of the second data, and multiplex the first data and the second data, wherein the data length of the second data is omitted from the MAC header and an R bit (reserved bit) is set in the first bit of the first octet in the MAC header.

公开(公告)号：US10349292B2

公开(公告)日：2019-07-09

申请号：US15013434

申请日：2016-02-02

申请人： FUJITSU LIMITED

发明人： Yoshiaki Ohta ,  Yoshiharu Tajima ,  Akira Ito

IPC分类号： H04W24/08 ,  H04W52/02 ,  H04W24/10 ,  H04W48/20 ,  H04W76/28

摘要： A communication unit of a radio terminal performs radio measurement of a base station and monitoring of a paging signal within a periodic duration. A controller controls the communication unit so as to perform filtering of the radio measurement within the duration with intervals less than half of the duration.

公开(公告)号：US20190074933A1

公开(公告)日：2019-03-07

申请号：US16166757

申请日：2018-10-22

申请人： FUJITSU LIMITED

发明人： Yoshiaki Ohta ,  YOSHIHIRO KAWASAKI

IPC分类号： H04L1/18

摘要： A communication apparatus includes a radio processing unit configured to transmit or receive a radio signal; and a control unit configured to control application of retransmission control in accordance with information indicating whether or not to apply the retransmission control, the information being included in a radio signal received from another communication apparatus via the radio processing unit.

公开(公告)号：US20180316480A1

公开(公告)日：2018-11-01

申请号：US16026385

申请日：2018-07-03

申请人： FUJITSU LIMITED

发明人： Yoshiaki Ohta ,  YOSHIHIRO KAWASAKI ,  YOSHINORI TANAKA ,  SHINICHIRO AIKAWA

IPC分类号： H04L5/00 ,  H04L1/00

摘要： A radio communication device includes: a communication circuit configured to transmit and receive a signal to and from first radio communication device; and a control circuit configured to cause the communication circuit to receive a first signal in a first layer, the first signal being configured to include data in a second layer different from the first layer, and cause the communication circuit to transmit, through a first radio resource on a shared channel, acknowledgement information when the first signal from the first radio communication device is received, the first radio resource being selected from among the shared channel without scheduling information from the first communication device, the acknowledge information indicating whether the data in the second layer is normally received from the first radio communication device.

公开(公告)号：US20180054768A1

公开(公告)日：2018-02-22

申请号：US15797619

申请日：2017-10-30

申请人： FUJITSU LIMITED

发明人： Yoshiaki Ohta ,  Tetsuya Yano ,  SHINICHIRO AIKAWA ,  Takayoshi Ode

IPC分类号： H04W36/24 ,  H04W36/00 ,  H04W36/22

CPC分类号： H04W36/245 ,  H04W36/0055 ,  H04W36/0083 ,  H04W36/08 ,  H04W36/22 ,  H04W36/36 ,  H04W48/06 ,  H04W48/12 ,  H04W48/20

摘要： A wireless communications apparatus includes a control unit configured to establish a connection with a first cell formed by another wireless communications apparatus, the control unit performing selection or reselection of a second cell different from the first cell, according to a value of control information corresponding to a degree of connection barring of at least one or more cells, when the connection with the first cell is barred. The wireless communications apparatus camps on the second cell, not on the first cell when the control unit performs the selection or reselection of the second cell.

公开(公告)号：US20170188278A1

公开(公告)日：2017-06-29

申请号：US15461041

申请日：2017-03-16

申请人： FUJITSU LIMITED

发明人： Yoshiaki Ohta ,  SHINICHIRO AIKAWA

IPC分类号： H04W36/04 ,  H04W36/30 ,  H04W36/00 ,  H04W36/38

CPC分类号： H04W36/04 ,  H04W36/0033 ,  H04W36/0055 ,  H04W36/30 ,  H04W36/38 ,  H04W72/0426 ,  H04W88/02 ,  H04W88/08

摘要： A mobile station wirelessly communicates with a plurality of wireless base stations using multiple access. A first wireless base station in the multiple access controls a control plane of a second wireless base station in the multiple access to control a connection between the mobile station and the second wireless base station.

公开(公告)号：US09571261B2

公开(公告)日：2017-02-14

申请号：US15096860

申请日：2016-04-12

申请人： FUJITSU LIMITED

发明人： Haibo Xu ,  Yuantao Zhang ,  Hua Zhou ,  Jianming Wu ,  Yoshiaki Ohta

IPC分类号： H04L5/00 ,  H04W24/08 ,  H04W72/04 ,  H04W24/10

CPC分类号： H04L5/0098 ,  H04L5/001 ,  H04L5/0044 ,  H04L5/006 ,  H04L5/0064 ,  H04L5/0085 ,  H04L5/0087 ,  H04W24/08 ,  H04W24/10 ,  H04W72/042 ,  H04W72/0453

摘要： A carrier aggregation system, includes transmitting a first signaling to configure one additional carrier to a user equipment (UE) at which the additional carriers are deactivated, to configure a timer to each additional carrier for the UE by which the carrier is deactivated after the corresponding timer expiry; transmitting a second signaling that carries an activation indication to the UE to activate one deactivated additional carrier in the configured carriers for the UE; activating at least one deactivated additional carrier, starting the timer, controlling the UE to start Physical Downlink Control Channel (PDCCH) monitoring and Physical Downlink Shared Channel (PDSCH) receiving on the activated additional carrier; transmitting PDCCH on the activated additional carrier for the UE, by which the corresponding timer being restarted; deactivating the activated carrier after the corresponding timer expiry, controlling the UE to stop the PDCCH monitoring and the PDSCH receiving on the deactivated additional carrier.

摘要翻译： 一种载波聚合系统，包括发送第一信令以将一个附加载波配置给另一个载波被去激活的用户设备（UE），以便在对应于所述UE的每个附加载波上配置定时器，所述UE的载波在对应 定时器到期 向所述UE发送携带激活指示的第二信令，以激活针对所述UE的配置的载波中的一个去激活的附加载波; 激活至少一个停用的附加载波，启动定时器，控制UE启动在激活的附加载波上接收的物理下行链路控制信道（PDCCH）监控和物理下行链路共享信道（PDSCH）; 在UE的激活的附加载波上发送PDCCH，由此重新启动相应的定时器; 在相应的定时器到期之后停用激活的载波，控制UE停止PDCCH监控，并且在停用的附加载波上进行PDSCH接收。