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公开(公告)号：US11291003B2
公开(公告)日：2022-03-29
申请号：US16597621
申请日：2019-10-09
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga
摘要： Provided is a communication system that can be normally and efficiently operated in the case where existing carriers and new carrier types coexist. A base station device and a communication terminal device are configured to perform communication in cells of legacy carriers LC1 to LC3 being existing carriers. When the base station device starts operating new carrier types NCT1 and NCT2, the NCT1 and NCT2 are associated with legacy carriers belonging to the same frequency band. For example, the NCT2 is associated with the LC2 or the LC3 and is not associated with the LC1. The legacy carriers LC1 to LC3 associated with the NCT1 and the NCT2 notify the communication terminal device of the information on the NCT1 and NCT2. This allows the communication terminal device to communicate with the NCT1 and the NCT2.
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公开(公告)号：US09955363B2
公开(公告)日：2018-04-24
申请号：US14767501
申请日：2014-02-13
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga , Noriyuki Fukui
CPC分类号： H04W16/32 , H04W16/08 , H04W52/0206 , Y02B70/30 , Y02B70/32 , Y02D70/00 , Y02D70/1222 , Y02D70/1224 , Y02D70/1226 , Y02D70/1242 , Y02D70/1244 , Y02D70/1246 , Y02D70/1262 , Y02D70/1264 , Y02D70/24
摘要： A communication system is provided that, if a large number of small cells are installed, is capable of configuring an operation suitable for small cells through simple operation and administration. If a small cell installed in Step ST1401 judges in Step ST1403 that a coverage macro cell, which includes the small cell in the coverage of the coverage macro cell, is present as a result of neighbor cell search in Step ST1402, notifies the coverage macro cell and another neighbor cell of its own capability in Steps ST1404 and 1405. The coverage macro cell selects a configuration parameter suitable for the capability of the small cell in Step ST1406 and notifies the small cell in Step ST1407. The small cell recognizes an operation mode configured by the coverage macro cell from the configuration parameter notified from the coverage macro cell, and then, starts operating in the operation mode.
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公开(公告)号：US12069632B2
公开(公告)日：2024-08-20
申请号：US17646503
申请日：2021-12-30
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga
IPC分类号： H04W72/0453 , H04L5/00 , H04W72/1263 , H04W72/54 , H04L1/1812 , H04W16/14 , H04W36/06 , H04W48/08 , H04W88/08
CPC分类号： H04W72/0453 , H04L5/00 , H04L5/001 , H04W72/1263 , H04W72/54 , H04L1/1812 , H04L5/0048 , H04L5/0053 , H04L5/0098 , H04W16/14 , H04W36/06 , H04W48/08 , H04W88/08
摘要： Provided is a communication system that can be normally and efficiently operated in the case where existing carriers and new carrier types coexist. A base station device and a communication terminal device are configured to perform communication in cells of legacy carriers LC1 to LC3 being existing carriers. When the base station device starts operating new carrier types NCT1 and NCT2, the NCT1 and NCT2 are associated with legacy carriers belonging to the same frequency band. For example, the NCT2 is associated with the LC2 or the LC3 and is not associated with the LC1. The legacy carriers LC1 to LC3 associated with the NCT1 and the NCT2 notify the communication terminal device of the information on the NCT1 and NCT2. This allows the communication terminal device to communicate with the NCT1 and the NCT2.
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公开(公告)号：US10588061B2
公开(公告)日：2020-03-10
申请号：US15830220
申请日：2017-12-04
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga , Noriyuki Fukui
摘要： A UE in an idle state selects any of a group A, to which a cell of which coverage its own device is in, belongs and a group different from the group A, for example, a group B, and then measures cells belonging to the selected group for selecting a cell being a re-selection destination. A UE in a connected state selects any of the group B to which a cell connected with the UE belongs and a group different from the group B, for example, the group A, and measures cells belonging to the selected group for handover.
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公开(公告)号：US10383079B2
公开(公告)日：2019-08-13
申请号：US15695646
申请日：2017-09-05
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga
摘要： The present invention has an object to provide a mobile communication system capable of performing communication between a user equipment device connected to a relay device and a core network if the relay device moves. An RN (1508) sets a TA of an eNB to be connected with the own device as a TA of the own device. For example, when the RN (1508) moves along an arrow (1500), the TA of the RN (1508) is changed from a first TA (1601) to which a fourth eNB (1525) belongs to a third TA (1602) to which a tenth eNB (1505) belongs. Upon change of the TA of the RN (1508) as described above, a user equipment device (UE; 1509) transmits a TA update request signal of the own device to a target second MME (1501).
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公开(公告)号：US10334451B2
公开(公告)日：2019-06-25
申请号：US15842376
申请日：2017-12-14
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga , Noriyuki Fukui
摘要： A communication system is provided that, if a large number of small cells are installed, is capable of configuring an operation suitable for small cells through simple operation and administration. If a small cell installed in Step ST1401 judges in Step ST1403 that a coverage macro cell, which includes the small cell in the coverage of the coverage macro cell, is present as a result of neighbor cell search in Step ST1402, notifies the coverage macro cell and another neighbor cell of its own capability in Steps ST1404 and 1405. The coverage macro cell selects a configuration parameter suitable for the capability of the small cell in Step ST1406 and notifies the small cell in Step ST1407. The small cell recognizes an operation mode configured by the coverage macro cell from the configuration parameter notified from the coverage macro cell, and then, starts operating in the operation mode.
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公开(公告)号：US20150208411A1
公开(公告)日：2015-07-23
申请号：US14419139
申请日：2013-08-02
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga
CPC分类号： H04W72/0453 , H04L1/1812 , H04L5/00 , H04L5/001 , H04L5/0048 , H04L5/0053 , H04L5/0098 , H04W16/14 , H04W36/06 , H04W48/08 , H04W72/1226 , H04W72/1263 , H04W88/08
摘要： Provided is a communication system that can be normally and efficiently operated in the case where existing carriers and new carrier types coexist. A base station device and a communication terminal device are configured to perform communication in cells of legacy carriers LC1 to LC3 being existing carriers. When the base station device starts operating new carrier types NCT1 and NCT2, the NCT1 and NCT2 are associated with legacy carriers belonging to the same frequency band. For example, the NCT2 is associated with the LC2 or the LC3 and is not associated with the LC1. The legacy carriers LC1 to LC3 associated with the NCT1 and the NCT2 notify the communication terminal device of the information on the NCT1 and NCT2. This allows the communication terminal device to communicate with the NCT1 and the NCT2.
摘要翻译： 提供了一种在现有载体和新载波类型共存的情况下可以正常有效地操作的通信系统。 基站装置和通信终端装置被配置为在作为现有载体的传统载波LC1至LC3的小区中进行通信。 当基站设备开始运行新的载波类型NCT1和NCT2时，NCT1和NCT2与属于相同频带的传统载波相关联。 例如，NCT2与LC2或LC3相关联，并且不与LC1相关联。 与NCT1和NCT2相关联的传统运营商LC1至LC3向通信终端设备通知关于NCT1和NCT2的信息。 这允许通信终端设备与NCT1和NCT2进行通信。
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公开(公告)号：US11356865B2
公开(公告)日：2022-06-07
申请号：US16709155
申请日：2019-12-10
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga , Noriyuki Fukui
摘要： A communication system is provided that, if a large number of small cells are installed, is capable of configuring an operation suitable for small cells through simple operation and administration. If a small cell installed in Step ST1401 judges in Step ST1403 that a coverage macro cell, which includes the small cell in the coverage of the coverage macro cell, is present as a result of neighbor cell search in Step ST1402, notifies the coverage macro cell and another neighbor cell of its own capability in Steps ST1404 and 1405. The coverage macro cell selects a configuration parameter suitable for the capability of the small cell in Step ST1406 and notifies the small cell in Step ST1407. The small cell recognizes an operation mode configured by the coverage macro cell from the configuration parameter notified from the coverage macro cell, and then, starts operating in the operation mode.
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公开(公告)号：US11252727B2
公开(公告)日：2022-02-15
申请号：US16597621
申请日：2019-10-09
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga
摘要： Provided is a communication system that can be normally and efficiently operated in the case where existing carriers and new carrier types coexist. A base station device and a communication terminal device are configured to perform communication in cells of legacy carriers LC1 to LC3 being existing carriers. When the base station device starts operating new carrier types NCT1 and NCT2, the NCT1 and NCT2 are associated with legacy carriers belonging to the same frequency band. For example, the NCT2 is associated with the LC2 or the LC3 and is not associated with the LC1. The legacy carriers LC1 to LC3 associated with the NCT1 and the NCT2 notify the communication terminal device of the information on the NCT1 and NCT2. This allows the communication terminal device to communicate with the NCT1 and the NCT2.
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公开(公告)号：US10448300B2
公开(公告)日：2019-10-15
申请号：US14431965
申请日：2013-09-03
发明人： Mitsuru Mochizuki , Miho Maeda , Shinsuke Uga
摘要： A mobile communication system includes a mobile station, a first base station and a second base station configured to perform radio communication with the mobile station, and a gateway station configured to perform communication with the first base station and the second base station or with the mobile station via the first base station and the second base station. One communication is performed between the mobile station and the gateway station by establishing a first communication connection between the gateway station and the first base station, a first radio communication connection between the first base station and the mobile station, and a second radio communication connection between the second base station and the mobile station. This enables a normal change of a cell during communication without any load on a network.
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