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    RADIO COMMUNICATION SYSTEM AND CONTROL METHOD
    3.
    发明申请
    RADIO COMMUNICATION SYSTEM AND CONTROL METHOD 有权
    无线电通信系统和控制方法

    公开(公告)号：US20150319795A1

    公开(公告)日：2015-11-05

    申请号：US14439984

    申请日：2013-10-04

    Applicant: NTT DOCOMO, INC.

    Inventor： Jinho Kim ,  Hiroto Yasuda ,  Yasufumi Morioka ,  Hideaki Takahashi ,  Junichiro Hagiwara ,  Hiroyuki Ishii

    IPC: H04W76/02 ,  H04W74/00

    CPC classification number: H04W76/15 ,  H04W74/002 ,  H04W76/10 ,  H04W76/12 ,  H04W88/16

    Abstract: A radio communication system includes at least one user equipment, a first base station, a second base station, a first gateway, a second gateway, and a switching station. The switching station decides whether or not a gateway through which communication executed by the user equipment should be routed is the second gateway. In a case in which it is decided that the gateway through which communication executed by the user equipment should be routed is the second gateway, the switching station executes control for establishing a first user path for uplink and a second user path that is a radio path. The second base station executes control for establishing a first user path for downlink.

    Abstract translation: 无线电通信系统包括至少一个用户设备，第一基站，第二基站，第一网关，第二网关和交换站。 交换站决定由用户设备执行的通信所通过的网关是否应被路由为第二网关。 在确定由用户设备执行的通信所通过的网关应该被路由的情况是第二网关的情况下，交换站执行用于建立用于上行链路的第一用户路径和作为无线路径的第二用户路径的控制 。 第二基站执行用于建立用于下行链路的第一用户路径的控制。

    MOBILE COMMUNICATION METHOD
    4.
    发明申请
    MOBILE COMMUNICATION METHOD 审中-公开
    移动通信方法

    公开(公告)号：US20150257048A1

    公开(公告)日：2015-09-10

    申请号：US14430422

    申请日：2013-08-26

    Applicant: NTT DOCOMO, INC.

    Inventor： Yasufumi Morioka ,  Hiroto Yasuda ,  Tooru Uchino ,  Wuri Andarmawanti Hapsari

    IPC: H04W36/00

    CPC classification number: H04W36/0055 ,  H04W16/32 ,  H04W36/04 ,  H04W36/22 ,  H04W36/38 ,  H04W76/15 ,  H04W84/042

    Abstract: A mobile communication method according to the invention includes the steps of: starting, by a radio base station eNB, addition processing of adding a radio base station PhNB to a transmission path for user data of a mobile station UE when the mobile station UE is in communication in a macro cell under the radio base station eNB and the radio base station PhNB managing a small cell having a coverage including a location where the mobile station UE exists is selected as the transmission path for the user data of the mobile station UE; notifying, by the radio base station eNB, the radio base station PhNB of management information of a sequence number in the addition processing; and resetting information on a header compression and security setting information by the radio base station PhNB in the addition processing.

    Abstract translation: 根据本发明的移动通信方法包括以下步骤：当移动台UE处于移动台UE时，由无线基站eNB开始对移动台UE的用户数据的发送路径添加无线基站PhNB的相加处理 作为移动台UE的用户数据的发送路径，选择无线基站eNB下的宏小区的通信和管理具有移动台UE所在的位置的覆盖区域的小小区的无线基站PhNB的通信。 通过无线基站eNB向无线基站PhNB通知加法处理中的序列号的管理信息; 以及在加法处理中，通过无线基站PhNB对报头压缩和安全设置信息进行复位信息。

    USER TERMINAL
    5.
    发明申请
    USER TERMINAL 审中-公开
    用户终端

    公开(公告)号：US20140221030A1

    公开(公告)日：2014-08-07

    申请号：US14251216

    申请日：2014-04-11

    Applicant: NTT DOCOMO, INC.

    Inventor： Hiromasa Fujii ,  Hiroto Yasuda ,  Hiroki Harada ,  Shunji Miura ,  Hidetoshi Kayama

    IPC: H04W56/00 ,  H04W72/08

    CPC classification number: H04W16/14 ,  H04B1/005 ,  H04B1/1027 ,  H04W28/04 ,  H04W56/00 ,  H04W72/082 ,  H04W74/0833 ,  H04W88/08

    Abstract: A CRS base station (21) includes a transmitting section configured to transmit a synchronization establishment signal, a receiving section configured to receive a random access signal corresponding to the synchronization establishment signal, a determining section configured to determine whether or not the random access signal received by the receiving section has been transmitted from an MCS terminal (12) and an interference reduction processing section configured to perform interference reduction processing on the MCS terminal (12) when the determining section determines that the random access signal has been transmitted from the MCS terminal (12).

    Abstract translation: CRS基站（21）包括：发送部，被配置为发送同步建立信号;接收部，被配置为接收与所述同步建立信号对应的随机接入信号;判定部，被配置为判定接收到的随机接入信号 接收部分已从MCS终端（12）和干扰减少处理部分发送，该干扰减少处理部分被配置为当MCS终端（12）确定随机接入信号已经从MCS终端发送时对MCS终端（12）进行干扰减少处理 （12）。

    Radio communication system
    7.
    发明授权
    Radio communication system 有权

    公开(公告)号：US09843966B2

    公开(公告)日：2017-12-12

    申请号：US14400765

    申请日：2013-06-13

    Applicant: NTT DOCOMO, INC.

    Inventor： Hiroto Yasuda ,  Yasufumi Morioka ,  Jinho Kim ,  Hideaki Takahashi ,  Junichiro Hagiwara ,  Hiroyuki Ishii

    IPC: H04W36/00 ,  H04W76/02

    CPC classification number: H04W36/0005 ,  H04W36/0055

    Abstract: A radio communication system includes a user device, a first base station, a second base station, a switching center, and a gateway device. In a handover operation performed in a situation in which a user-plane path has been established through the first base station, the first base station transmits, to the user device, a radio connection reconfiguration message commanding that a radio bearer be established between the second base station and the user device and receives a radio connection reconfiguration complete message transmitted from the user device. The first base station transmits, to the switching center, a path switching request message requesting that the established user-plane path be changed so as to pass through the second base station.

    Radio communication system and base station
    8.
    发明授权
    Radio communication system and base station 有权
    无线电通信系统和基站

    公开(公告)号：US09344922B2

    公开(公告)日：2016-05-17

    申请号：US14406757

    申请日：2013-05-14

    Applicant: NTT DOCOMO, INC.

    Inventor： Jinho Kim ,  Hiroto Yasuda ,  Yasufumi Morioka ,  Hideaki Takahashi ,  Junichiro Hagiwara ,  Hiroyuki Ishii

    IPC: H04W4/00 ,  H04W36/00 ,  H04W76/02

    CPC classification number: H04W36/0027 ,  H04W36/0088 ,  H04W76/12

    Abstract: A radio communication system has a user equipment, a first base station, a second base station, and a gateway device. The first base station is capable of executing radio resource control of the user equipment, whereas the second base station does not execute radio resource control of the user equipment. The first base station, based on a measurement report message, determines whether a user-plane path is to be established between the first base station and the second base station. In a case in which it is determined that a user-plane path is to be established, the first base station establishes a user-plane path between the first base station and the second base station. Also, the first base station controls the user equipment to establish a user-plane path between the user equipment and the second base station.

    Abstract translation: 无线电通信系统具有用户设备，第一基站，第二基站和网关设备。 第一基站能够执行用户设备的无线电资源控制，而第二基站不执行用户设备的无线电资源控制。 第一基站，基于测量报告消息，确定在第一基站和第二基站之间是否建立用户平面路径。 在确定要建立用户平面路径的情况下，第一基站在第一基站和第二基站之间建立用户平面路径。 此外，第一基站控制用户设备在用户设备和第二基站之间建立用户平面路径。

    RADIO COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD
    9.
    发明申请
    RADIO COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD 审中-公开
    无线电通信系统和通信控制方法

    公开(公告)号：US20150312810A1

    公开(公告)日：2015-10-29

    申请号：US14441546

    申请日：2013-10-04

    Applicant: NTT DOCOMO, INC.

    Inventor： Hiroto Yasuda ,  Yasufumi Morioka ,  Jinho Kim ,  Hideaki Takahashi ,  Yukihiko Okumura ,  Hiroyuki Ishii

    IPC: H04W36/00 ,  H04W36/38 ,  H04W88/16 ,  H04W36/08

    CPC classification number: H04W36/0055 ,  H04W36/08 ,  H04W36/38 ,  H04W88/16 ,  H04W92/20

    Abstract: A radio communication system includes a user device, a first base station, a second base station, a third base station, a gateway device, and a switching center. A user-plane path is established between the user device and the gateway device via the third base station. When the user device is handed over from the first base station to the second base station, the first base station adds an identifier of the third base station to a handover request message and transmits the handover request message to the second base station. The second base station transmits, to the third base station, a base station switch notification message that indicates that a radio connection destination for the user device has been switched to the second base station.

    Abstract translation: 无线电通信系统包括用户设备，第一基站，第二基站，第三基站，网关设备和交换中心。 经由第三基站在用户设备和网关设备之间建立用户平面路径。 当用户设备从第一基站切换到第二基站时，第一基站将第三基站的标识符添加到切换请求消息，并将切换请求消息发送到第二基站。 第二基站向第三基站发送指示用户设备的无线电连接目的地已切换到第二基站的基站交换机通知消息。

    RADIO COMMUNICATION SYSTEM AND BASE STATION
    10.
    发明申请
    RADIO COMMUNICATION SYSTEM AND BASE STATION 有权
    无线电通信系统和基站

    公开(公告)号：US20150172963A1

    公开(公告)日：2015-06-18

    申请号：US14406757

    申请日：2013-05-14

    Applicant: NTT DOCOMO, INC.

    Inventor： Jinho Kim ,  Hiroto Yasuda ,  Yasufumi Morioka ,  Hideaki Takahashi ,  Junichiro Hagiwara ,  Hiroyuki Ishii

    IPC: H04W36/00

    CPC classification number: H04W36/0027 ,  H04W36/0088 ,  H04W76/12

    Abstract: A radio communication system has a user equipment, a first base station, a second base station, and a gateway device. The first base station is capable of executing radio resource control of the user equipment, whereas the second base station does not execute radio resource control of the user equipment. The first base station, based on a measurement report message, determines whether a user-plane path is to be established between the first base station and the second base station. In a case in which it is determined that a user-plane path is to be established, the first base station establishes a user-plane path between the first base station and the second base station. Also, the first base station controls the user equipment to establish a user-plane path between the user equipment and the second base station.

    Abstract translation: 无线电通信系统具有用户设备，第一基站，第二基站和网关设备。 第一基站能够执行用户设备的无线电资源控制，而第二基站不执行用户设备的无线电资源控制。 第一基站，基于测量报告消息，确定在第一基站和第二基站之间是否建立用户平面路径。 在确定要建立用户平面路径的情况下，第一基站在第一基站和第二基站之间建立用户平面路径。 此外，第一基站控制用户设备在用户设备和第二基站之间建立用户平面路径。

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