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1. 发明授权

US10349322B2 Base station apparatus 有权
公开(公告)号：US10349322B2
公开(公告)日：2019-07-09
申请号：US15026662
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Masahiko Nanri , Yuichi Hayashi
IPC分类号： H04W36/04 , H04W36/00 , H04W52/18 , H04W52/40 , H04L5/00 , H04W72/04 , H04L12/26 , H04W52/34 , H04W52/14
摘要： A base station apparatus is provided, by which a downlink transmission power can be properly set and frequent handovers of a mobile station (user equipment) can be prevented to occur. The base station apparatus is installed in a base station communicating with a mobile station in a mobile communication network, and provided with control means of controlling so as to decrease a setting of downlink transmission power when changing a setting of offset for handover from the own cell to a neighboring cell so as to advance a hand-out from the own cell to the neighboring cell.

2. 发明授权

US10098130B2 Base station apparatus for controlling downlink transmission power of a small-cell base station 有权
公开(公告)号：US10098130B2
公开(公告)日：2018-10-09
申请号：US15021295
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Yuichi Hayashi , Masahiko Nanri
IPC分类号： H04W52/24 , H04W72/08 , H04W16/18 , H04W8/22 , H04W36/00 , H04W72/04 , H04W24/08 , H04W52/14 , H04W52/36
摘要： A base station apparatus of small-cell base station is provided, by which interference from a small-cell in downlink signals of macro cell can be suppressed without lowering a power of downlink signals from the small-cell base station more than necessary, in state that a macro-cell base station is located neighboring the small cell of small-cell base station. The base station apparatus comprises transmission-power control means of controlling a down link transmission power of downlink in a range between a maximum power and a minimum power which are set in advance, and information acquisition means of acquiring information on electrical field intensity of a transmission signal transmitted from the macro-cell base station located at a periphery of the own base station. The transmission-power control means changes the downlink transmission power so as to change the downlink transmission power to the minimum power or stop the transmission of the downlink transmission signal, when the electric field intensity of transmission signal from the macro-cell base station exceeds a preset electric-field upper threshold, or the electric field intensity is equal to or larger than the electric-field upper threshold, in a state that the downlink transmission power is set to the maximum power.

3. 发明授权

US09894666B2 Base station apparatus for communicating with a mobile base station 有权
公开(公告)号：US09894666B2
公开(公告)日：2018-02-13
申请号：US15021284
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Yuichi Hayashi , Masahiko Nanri
IPC分类号： H04W72/08 , H04W16/18 , H04W8/22 , H04W36/00 , H04W52/24 , H04W72/04 , H04W24/08 , H04W52/14 , H04W52/36
CPC分类号： H04W72/085 , H04W8/22 , H04W16/18 , H04W24/08 , H04W36/0061 , H04W36/0083 , H04W52/143 , H04W52/244 , H04W52/367 , H04W72/042 , H04W72/0473 , H04W72/082 , Y02D70/00 , Y02D70/1262
摘要： A base station apparatus is provided, by which a new base station (cell) can be surely added in a neighboring-cell list even when a maximum value is set for the number of base stations (cells) capable being registered in the neighboring-cell list. The base station apparatus is installed in a base station communicating with a mobile station in a mobile communication network. The base station apparatus comprises memory means of memorizing a list of peripheral base stations located at a periphery of the own base station, list-update means of adding a new peripheral base station in the list when finding the peripheral base station, and delete means of deleting at least one peripheral base station registered at an early timing in the list when the number of peripheral base stations registered in the list reaches to a predetermined maximum value that is set in advance.

4. 发明申请

US20160302158A1 BASE STATION APPARATUS 审中-公开
标题翻译：基站装置
公开(公告)号：US20160302158A1
公开(公告)日：2016-10-13
申请号：US15021295
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Yuichi Hayashi , Masahiko Nanri
IPC分类号： H04W52/24 , H04W72/08 , H04W72/04
CPC分类号： H04W72/085 , H04W8/22 , H04W16/18 , H04W24/08 , H04W36/0061 , H04W36/0083 , H04W52/143 , H04W52/244 , H04W52/367 , H04W72/042 , H04W72/0473 , H04W72/082 , Y02D70/00 , Y02D70/1262
摘要： A base station apparatus of small-cell base station is provided, by which interference from a small-cell in downlink signals of macro cell can be suppressed without lowering a power of downlink signals from the small-cell base station more than necessary, in state that a macro-cell base station is located neighboring the small cell of small-cell base station. The base station apparatus comprises transmission-power control means of controlling a down link transmission power of downlink in a range between a maximum power and a minimum power which are set in advance, and information acquisition means of acquiring information on electrical field intensity of a transmission signal transmitted from the macro-cell base station located at a periphery of the own base station. The transmission-power control means changes the downlink transmission power so as to change the downlink transmission power to the minimum power or stop the transmission of the downlink transmission signal, when the electric field intensity of transmission signal from the macro-cell base station exceeds a preset electric-field upper threshold, or the electric field intensity is equal to or larger than the electric-field upper threshold, in a state that the downlink transmission power is set to the maximum power.
摘要翻译：提供了一种小型基站的基站装置，可以抑制来自小蜂窝基站的下行链路信号的功率超过必要的宏小区的下行链路信号中的小小区的干扰，在状态宏小区基站位于小小区基站的小小区附近。基站装置包括：发送功率控制单元，其在预先设定的最大功率和最小功率之间的范围内控制下行链路的下行链路发送功率;以及信息获取单元，其获取关于发送的电场强度的信息从位于本基站周边的宏小区基站发送的信号。当来自宏小区基站的发送信号的电场强度超过一个时，发送功率控制装置将下行链路发送功率改变为将下行链路发送功率改变为最小功率或停止下行链路发送信号的发送在下行链路发送功率被设定为最大功率的状态下，预设电场上阈值或电场强度等于或大于电场上阈值。

5. 发明授权

US10091696B2 Base station apparatus 有权
公开(公告)号：US10091696B2
公开(公告)日：2018-10-02
申请号：US15026685
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Masahiko Nanri , Yuichi Hayashi
IPC分类号： H04W36/00 , H04W52/40 , H04W36/04 , H04W52/18 , H04L5/00 , H04W72/04 , H04L12/26 , H04W52/34 , H04W52/14
摘要： A base station apparatus is provided, by which a downlink transmission power (transmission output) can be properly set and frequent handovers of a mobile station (user equipment) can be prevented to occur. The base station apparatus is installed in a small-cell base station communicating with a mobile station in a mobile communication network, and provided with measurement means of measuring a time interval between a timing of receiving a handover request from a macro-cell base station when a mobile station performs a hand-in from a macro cell to a small cell and a timing of receiving information showing a failure of handover from the macro cell to the small cell, from the macro-cell base station, in sate that the small-cell base station is located in the macro cell or neighboring the macro cell and control means of controlling so as to decrease a setting of downlink transmission power based on the time interval measured by the measurement means.

6. 发明申请

US20160323788A1 BASE STATION APPARATUS 审中-公开
标题翻译：基站装置
公开(公告)号：US20160323788A1
公开(公告)日：2016-11-03
申请号：US15026685
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Masahiko Nanri , Yuichi Hayashi
IPC分类号： H04W36/00 , H04W52/40 , H04L12/26 , H04W72/04
CPC分类号： H04W36/0083 , H04L5/0007 , H04L43/16 , H04W36/04 , H04W52/143 , H04W52/18 , H04W52/343 , H04W52/40 , H04W72/042 , Y04S40/168
摘要： A base station apparatus is provided, by which a downlink transmission power (transmission output) can be properly set and frequent handovers of a mobile station (user equipment) can be prevented to occur. The base station apparatus is installed in a small-cell base station communicating with a mobile station in a mobile communication network, and provided with measurement means of measuring a time interval between a timing of receiving a handover request from a macro-cell base station when a mobile station performs a hand-in from a macro cell to a small cell and a timing of receiving information showing a failure of handover from the macro cell to the small cell, from the macro-cell base station, in sate that the small-cell base station is located in the macro cell or neighboring the macro cell and control means of controlling so as to decrease a setting of downlink transmission power based on the time interval measured by the measurement means.
摘要翻译：提供一种基站装置，通过该基站装置可以适当地设置下行链路发送功率（发送输出），并且可以防止发生移动台（用户装置）的频繁切换。基站装置安装在与移动通信网络中的移动台通信的小区基站中，并且具有测量单元，其测量从宏小区基站接收到切换请求的定时之间的时间间隔，移动台从宏小区执行到小小区的手动接收以及从宏小区基站接收表示从宏小区到小小区切换失败的信息的定时，小区基站位于宏小区中或与宏小区相邻，控制装置根据由测量装置测量的时间间隔来降低下行链路发射功率的设置。

7. 发明授权

US09894667B2 Base station apparatus for controlling downlink transmission power of a small-cell base station 有权
公开(公告)号：US09894667B2
公开(公告)日：2018-02-13
申请号：US15021300
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Yuichi Hayashi , Masahiko Nanri
IPC分类号： H04W72/08 , H04W16/18 , H04W8/22 , H04W36/00 , H04W52/24 , H04W72/04 , H04W24/08 , H04W52/14 , H04W52/36
CPC分类号： H04W72/085 , H04W8/22 , H04W16/18 , H04W24/08 , H04W36/0061 , H04W36/0083 , H04W52/143 , H04W52/244 , H04W52/367 , H04W72/042 , H04W72/0473 , H04W72/082 , Y02D70/00 , Y02D70/1262
摘要： A base station apparatus capable of ensuring a sufficiently large coverage of a small cell while reducing a power of downlink signals from a small-cell base station so as to be equal to or smaller than an allowable maximum power is provided. The base station apparatus of the small-cell base station comprises measurement means of measuring an interference level from a macro cell located in a periphery of the own base station and transmission-power control means of controlling a downlink transmission power based on a measurement result of the interference level from the macro cell. The transmission-power control means controls to enhance the transmission power of a downlink specific reference signal (CRS) among the downlink transmission signals of the own base station and to lower the transmission power of signals except for the downlink specific reference signal under a condition that the downlink transmission power is equal to or smaller than an allowable maximum power, when the interference level is higher than a predetermined level.

8. 发明申请

US20160323787A1 BASE STATION APPARATUS 审中-公开
标题翻译：基站装置
公开(公告)号：US20160323787A1
公开(公告)日：2016-11-03
申请号：US15026662
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Masahiko Nanri , Yuichi Hayashi
IPC分类号： H04W36/00 , H04W52/40 , H04L5/00 , H04W72/04
CPC分类号： H04W36/0083 , H04L5/0007 , H04L43/16 , H04W36/00837 , H04W36/04 , H04W52/143 , H04W52/18 , H04W52/343 , H04W52/40 , H04W72/042 , Y04S40/168
摘要： A base station apparatus is provided, by which a downlink transmission power can be properly set and frequent handovers of a mobile station (user equipment) can be prevented to occur. The base station apparatus is installed in a base station communicating with a mobile station in a mobile communication network, and provided with control means of controlling so as to decrease a setting of downlink transmission power when changing a setting of offset for handover from the own cell to a neighboring cell so as to advance a hand-out from the own cell to the neighboring cell.
摘要翻译：提供了一种基站装置，通过该基站装置可以适当地设置下行链路发送功率，并且可以防止发生移动台（用户装置）的频繁切换。基站装置安装在与移动通信网络中的移动台通信的基站中，并且设置有控制装置，用于当从本小区改变用于切换的偏移设置时，控制下降发射功率的设置到相邻小区，以便将自己的小区的切换提前到相邻小区。

9. 发明申请

US20160302211A1 BASE STATION APPARATUS 有权
标题翻译：基站装置
公开(公告)号：US20160302211A1
公开(公告)日：2016-10-13
申请号：US15021284
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Yuichi Hayashi , Masahiko Nanri
IPC分类号： H04W72/08 , H04W8/22 , H04W36/00
CPC分类号： H04W72/085 , H04W8/22 , H04W16/18 , H04W24/08 , H04W36/0061 , H04W36/0083 , H04W52/143 , H04W52/244 , H04W52/367 , H04W72/042 , H04W72/0473 , H04W72/082 , Y02D70/00 , Y02D70/1262
摘要： A base station apparatus is provided, by which a new base station (cell) can be surely added in a neighboring-cell list even when a maximum value is set for the number of base stations (cells) capable being registered in the neighboring-cell list. The base station apparatus is installed in a base station communicating with a mobile station in a mobile communication network. The base station apparatus comprises memory means of memorizing a list of peripheral base stations located at a periphery of the own base station, list-update means of adding a new peripheral base station in the list when finding the peripheral base station, and delete means of deleting at least one peripheral base station registered at an early timing in the list when the number of peripheral base stations registered in the list reaches to a predetermined maximum value that is set in advance.
摘要翻译：提供了一种基站装置，通过该基站装置，即使为能够在相邻小区中登记的基站（小区）的数量设定最大值，也可以确定地在相邻小区列表中添加新的基站（小区）列表。基站装置安装在与移动通信网络中的移动站通信的基站中。基站装置包括：存储装置，用于存储位于本基站周边的外围基站的列表，列表更新装置，在找到外围基站时，在列表中添加新的外围基站;以及删除装置，当在列表中登记的外围基站的数量达到预先设定的预定最大值时，删除在列表中的早期定时登记的至少一个外围基站。

10. 发明申请

US20160302163A1 BASE STATION APPARATUS 有权
标题翻译：基站装置
公开(公告)号：US20160302163A1
公开(公告)日：2016-10-13
申请号：US15021300
申请日：2015-12-04
申请人： SoftBank Corp.
发明人： Yuichi Hayashi , Masahiko Nanri
IPC分类号： H04W52/36 , H04W52/24 , H04W24/08 , H04W52/14
CPC分类号： H04W72/085 , H04W8/22 , H04W16/18 , H04W24/08 , H04W36/0061 , H04W36/0083 , H04W52/143 , H04W52/244 , H04W52/367 , H04W72/042 , H04W72/0473 , H04W72/082 , Y02D70/00 , Y02D70/1262
摘要： A base station apparatus capable of ensuring a sufficiently large coverage of a small cell while reducing a power of downlink signals from a small-cell base station so as to be equal to or smaller than an allowable maximum power is provided. The base station apparatus of the small-cell base station comprises measurement means of measuring an interference level from a macro cell located in a periphery of the own base station and transmission-power control means of controlling a downlink transmission power based on a measurement result of the interference level from the macro cell. The transmission-power control means controls to enhance the transmission power of a downlink specific reference signal (CRS) among the downlink transmission signals of the own base station and to lower the transmission power of signals except for the downlink specific reference signal under a condition that the downlink transmission power is equal to or smaller than an allowable maximum power, when the interference level is higher than a predetermined level.
摘要翻译：提供一种基站装置，其能够确保小小区域的足够大的覆盖，同时将来自小小区基站的下行链路信号的功率降低至等于或小于容许最大功率。小小区基站的基站装置包括：测量装置，用于测量来自位于本基站周围的宏小区的干扰电平;以及发送功率控制装置，基于测量结果控制下行发送功率来自宏小区的干扰等级。发送功率控制装置控制在本基站的下行链路发送信号中增强下行特定基准信号（CRS）的发送功率，并且在下行特定参考信号以外的信号的发送功率降低的条件下，当干扰电平高于预定电平时，下行链路发送功率等于或小于容许最大功率。

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