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1. 发明授权

US11606733B2 Radio communication system, base station, mobile station, communication control method, and computer readable medium 有权
公开(公告)号：US11606733B2
公开(公告)日：2023-03-14
申请号：US16739309
申请日：2020-01-10
申请人： NEC Corporation
发明人： Hiroaki Aminaka , Hisashi Futaki
IPC分类号： H04W36/08 , H04W36/00 , H04W36/30 , H04W76/32 , H04W36/12 , H04W48/20 , H04W88/08 , H04W76/10 , H04W24/10 , H04L65/1063 , H04W36/04
摘要： A first base station (1) is configured to send, to a second base station (2), first configuration information that is necessary to establish a data bearer and a data radio bearer in the second base station (2) for a C/U-plane split scenario. Further, the first base station (1) is configured to send, to a third base station (3), configuration information (e.g., LPN information) regarding the data bearer established in the second base station (2) when a mobile station (4) moves from a first cell (10) to a third cell (30) (S103 and S104). It is thus, for example, possible to contribute to a reduction in wasted signaling when a UE moves between cells in the C/U-plane split scenario.

2. 发明授权

US11589241B2 Radio communication system, base station, mobile station, communication control method, and computer readable medium 有权
公开(公告)号：US11589241B2
公开(公告)日：2023-02-21
申请号：US17324431
申请日：2021-05-19
申请人： NEC Corporation
发明人： Hiroaki Aminaka , Hisashi Futaki
IPC分类号： H04W16/14 , H04W76/12 , H04W76/15 , H04W72/04 , H04W16/32 , H04W92/14 , H04W92/20 , H04W72/0453
摘要： A first base station (1) is configured to establish a first signaling bearer with a mobility management apparatus (5), establish a second signaling bearer with a second base station (2), and to establish a signaling radio bearer with a mobile station (3) in a first cell (10). The second base station (2) is configured to establish the second signaling bearer with the first base station (1), establish a data bearer with a data transfer apparatus (6), and to establish a data radio bearer with the mobile station (3) in a second cell (20). Furthermore, the first base station (1) is configured to transmit, to the second base station (2) through the second signaling bearer configuration information, necessary to establish the data bearer and the data radio bearer in the second base station (2). Thus, for example, bearer architecture suitable for a C/U plane split scenario is provided.

3. 发明授权

US10911967B2 Radio communication system, radio terminal, radio network, radio communication method and program 有权
公开(公告)号：US10911967B2
公开(公告)日：2021-02-02
申请号：US16702013
申请日：2019-12-03
申请人： NEC CORPORATION
发明人： Hisashi Futaki , Kosei Kobayashi , Hiroaki Aminaka
IPC分类号： H04W24/08 , H04W52/02 , H04L12/24 , H04W64/00 , H04W24/02 , H04W24/10 , H04W28/06 , H04W48/08 , H04W76/19 , H04W88/02
摘要： A wireless communication system comprises: a setting notifying means for notifying, to a radio terminal, setting information related to at least one of the radio terminal's collection of measurement information and the radio terminal's reporting of the measurement information to a radio network; a status notifying means for notifying, to the radio network, a status related to at least one of the radio terminal's collection of the measurement information and the radio terminal's reporting of the measurement information; and a re-establishing means for receiving the status and determining whether to re-establish the setting information.

4. 发明授权

US10588023B2 Radio communication system, base station, mobile station, communication control method, and computer readable medium 有权
公开(公告)号：US10588023B2
公开(公告)日：2020-03-10
申请号：US15658987
申请日：2017-07-25
申请人： NEC Corporation
发明人： Hiroaki Aminaka , Hisashi Futaki
IPC分类号： H04W16/14 , H04W76/12 , H04W76/15 , H04W72/04 , H04W16/32 , H04W92/14 , H04W92/20
摘要： A first base station (1) is configured to establish a first signaling bearer with a mobility management apparatus (5), establish a second signaling bearer with a second base station (2), and to establish a signaling radio bearer with a mobile station (3) in a first cell (10). The second base station (2) is configured to establish the second signaling bearer with the first base station (1), establish a data bearer with a data transfer apparatus (6), and to establish a data radio bearer with the mobile station (3) in a second cell (20). Furthermore, the first base station (1) is configured to transmit, to the second base station (2) through the second signaling bearer configuration information, necessary to establish the data bearer and the data radio bearer in the second base station (2). Thus, for example, bearer architecture suitable for a C/U plane split scenario is provided.

5. 发明授权

US10448445B2 Establishing simultaneous radio connection between a user equipment and two eNodeBs 有权
公开(公告)号：US10448445B2
公开(公告)日：2019-10-15
申请号：US15449606
申请日：2017-03-03
申请人： NEC Corporation
发明人： Hisashi Futaki , Hiroaki Aminaka
IPC分类号： H04B7/00 , H04W76/15 , H04L5/00 , H04W72/04 , H04B7/024
摘要： A first radio station (1) requests or instructs a second radio station (2) to prepare for communication with a radio terminal (3) on a second cell (20) while a first radio connection on a first cell (10) with the radio terminal (3) is established. Further, the first radio station (1) instructs the radio terminal (3) or the second radio station (2) to establish a second radio connection on the second cell (20) with the radio terminal (3) while maintaining the radio connection on the first cell (10) with the radio terminal (3). It is thus for example possible to enable a single radio terminal to establish radio connections with cells of a plurality of radio stations, in order to achieve carrier aggregation of cells operated by different radio stations.

6. 发明授权

US10306498B2 Radio communication system, radio terminal, radio network, radio communication method and program 有权
公开(公告)号：US10306498B2
公开(公告)日：2019-05-28
申请号：US16127411
申请日：2018-09-11
申请人： NEC CORPORATION
发明人： Hisashi Futaki , Kosei Kobayashi , Hiroaki Aminaka
IPC分类号： H04L12/24 , H04W24/02 , H04W24/08 , H04W24/10 , H04W28/06 , H04W48/08 , H04W52/02 , H04W64/00 , H04W76/19 , H04W88/02
摘要： A wireless communication system comprises: a setting notifying means for notifying, to a radio terminal, setting information related to at least one of the radio terminal's collection of measurement information and the radio terminal's reporting of the measurement information to a radio network; a status notifying means for notifying, to the radio network, a status related to at least one of the radio terminal's collection of the measurement information and the radio terminal's reporting of the measurement information; and a re-establishing means for receiving the status and determining whether to re-establish the setting information.

7. 发明授权

US10237772B2 Radio terminal, radio station, radio communication system, and methods implemented therein 有权
公开(公告)号：US10237772B2
公开(公告)日：2019-03-19
申请号：US15965321
申请日：2018-04-27
申请人： NEC Corporation
发明人： Hisashi Futaki , Hiroaki Aminaka , Hiroto Sugahara , Yoshikazu Kakura , Kazushi Muraoka
IPC分类号： H04W72/00 , H04W24/08 , H04W76/27 , H04W16/14 , H04W88/02 , H04B17/309 , H04W72/04 , H04W88/10 , H04B17/24 , H04B17/318 , H04B17/382 , H04W24/10 , H04L5/00 , H04W72/08 , H04W88/06
摘要： A radio terminal (2) is used in a radio communication system (100) and communicates with a radio station (1). The radio terminal (2) includes a measurement unit (20). The measurement unit (20) operates to perform, using a terminal measurement procedure for executing a first terminal measurement corresponding to radio access technology applied to the radio communication system (100), a second terminal measurement of a shared frequency shared by a plurality of radio systems including the radio communication system (100).

8. 发明授权

US10154508B2 Radio station and method of processing user data with radio station 有权
公开(公告)号：US10154508B2
公开(公告)日：2018-12-11
申请号：US15257702
申请日：2016-09-06
申请人： NEC Corporation
发明人： Hiroaki Aminaka , Kojiro Hamabe
IPC分类号： H04W72/08 , H04W28/02 , H04L1/18 , H04W72/12 , H04L1/00 , H04W52/02 , H04W72/00 , H04W88/08 , H04W92/12 , H04L29/08
摘要： A radio station (1) includes a first part (1A) and at least one second part (1B). The second part (1B) can be arranged so as to be physically separated from the first part (1A) and is connected to the first part (1A) via a transmission line (40) so as to be able to communicate with the first part (1A). The first part (1A) includes a bearer termination unit (10) capable of terminating at least one bearer between an upper network and the radio station (1). The second part (1B) includes a physical layer signal processing unit (12) that performs physical layer signal processing. The physical layer signal processing includes channel coding and decoding for user data pertaining to a first mobile station connected to the second part (1B) among a plurality of mobile stations.

9. 发明授权

US10085169B2 Radio station and method of processing user data with radio station 有权
公开(公告)号：US10085169B2
公开(公告)日：2018-09-25
申请号：US15257546
申请日：2016-09-06
申请人： NEC Corporation
发明人： Hiroaki Aminaka , Kojiro Hamabe
IPC分类号： H04W28/02 , H04L9/00 , H04W72/12 , H04W52/02 , H04L5/00 , H04W36/22 , H04L25/00 , H04B7/024
CPC分类号： H04W28/0205 , H04B7/024 , H04L5/0032 , H04L9/00 , H04L25/00 , H04W28/0236 , H04W28/0268 , H04W36/22 , H04W52/0206 , H04W52/0216 , H04W72/1252 , Y02D70/00 , Y02D70/1242 , Y02D70/1262 , Y02D70/1264
摘要： A radio station (1) includes a first part (1A) and a second part (1B). The second part (1B) can be arranged so as to be physically separated from the first part (1A) and is connected to the first part (1A) via a transmission line (40) so as to be able to communicate with the first part. The first part (1A) includes a first scheduling unit (20A) capable of performing dynamic scheduling to allocate a plurality of radio resources to a plurality of mobile stations or user data. The second part (1B) includes a second scheduling unit (20B) capable of performing, instead of the first scheduling unit (20A), at least a part of dynamic scheduling for a first mobile station connected to the second part (1B) among the plurality of mobile stations.

10. 发明申请

US20150230165A1 COMMUNICATION APPARATUS, COMMUNICATION METHOD, NON-TRANSITORY COMPUTER READABLE MEDIUM, AND DISTRIBUTION SERVER 审中-公开
标题翻译：通信设备，通信方法，非终端计算机可读介质和分发服务器
公开(公告)号：US20150230165A1
公开(公告)日：2015-08-13
申请号：US14420343
申请日：2013-03-08
申请人： NEC Corporation
发明人： Hiroaki Aminaka , Kojiro Hamabe , Hiroto Sugahara
IPC分类号： H04W48/18 , H04W48/08
CPC分类号： H04W48/18 , H04W48/08 , H04W88/06
摘要： In one embodiment, a first mobile station (3) can be wirelessly connected to a first network (5) and can be wirelessly connected to a second mobile station (4) that is wirelessly connected to a second network (6). The first mobile station (3) performs control on whether to be wirelessly connected to the first network (5) or the second mobile station (4) in accordance with the network selected from the first network (5) or the second network (6) based on information regarding the second network (6). It is thus for example possible to contribute to an efficient selection of a communication path of the first mobile station (3) that can use both of a first communication path that is via a direct wireless connection to the first network (5) and a second communication path that is via a wireless connection to another mobile station (4).
摘要翻译：在一个实施例中，第一移动站（3）可以无线地连接到第一网络（5），并且可以无线地连接到无线连接到第二网络（6）的第二移动站（4）。第一移动站（3）根据从第一网络（5）或第二网络（6）选择的网络，对是否将无线连接到第一网络（5）或第二移动站（4）进行控制，基于关于第二网络（6）的信息。因此，例如有可能有助于第一移动台（3）的通信路径的有效选择，其可以使用经由到第一网络（5）的直接无线连接的第一通信路径和第二移动站通过与另一移动站（4）的无线连接的通信路径。

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