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    • 21. 发明申请
    • WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, BASE STATION, CONTROL METHOD OF BASE STATION, AND CONTROL PROGRAM OF BASE STATION
    • 无线通信系统,无线通信方法,基站,基站控制方法和基站控制程序
    • US20100248735A1
    • 2010-09-30
    • US12682191
    • 2008-09-22
    • Kojiro HamabeMotoki Morita
    • Kojiro HamabeMotoki Morita
    • H04W52/04
    • H04W68/005H04W24/10H04W48/08H04W52/325H04W68/00H04W68/02H04W68/06H04W72/082H04W84/045
    • To provide appropriate communication quality for a mobile station that is permitted to connect to a femto base station regardless of the place at which the femto base station is installed and the place at which the mobile station is used while reducing the transmission power of the femto base station as much as possible, a femto base station 4 measures the reception quality (e.g., received power or reception SIR) by receiving a common pilot signal from a macro base station 3, and sets the transmission power Ptx of a pilot signal to be transmitted by the femto base station itself based on the received power. Further, the femto base station 4 transmits a common pilot signal with a transmission power Ptx and communicates with a plurality of mobile stations 7-2 to 7-4 within a femtocell 6. Furthermore, the femto base station 4 receives a measurement result of the reception quality level of a common pilot signal transmitted from the femto base station 4 from the mobile stations 7-2 to 7-4, and adjusts the transmission power Ptx of a common pilot signal so that the lowest level among a plurality of reception quality levels gets closer to a predetermined target level.
    • 为了提供与毫微微基站的安装位置无关的毫微微基站的允许连接的移动站的适当的通信质量以及移动站的使用位置,同时降低毫微微基站的发射功率 毫微微基站4通过从宏基站3接收公共导频信号来测量接收质量(例如,接收功率或接收SIR),并设置要发送的导频信号的发射功率Ptx 由毫微微基站本身基于接收功率。 此外,毫微微基站4发送具有发送功率Ptx的公共导频信号,并与毫微微小区6内的多个移动台7-2〜7-4进行通信。此外,毫微微基站4接收到 从毫微微基站4从移动台7-2到7-4发送的公共导频信号的接收质量等级,并且调整公共导频信号的发送功率Ptx,使得多个接收质量等级中的最低电平 越来越接近预定的目标水平。
    • 25. 发明授权
    • Wireless communication control method, wireless communication system, and radio control station
    • 无线通信控制方法,无线通信系统和无线电控制站
    • US08526989B2
    • 2013-09-03
    • US12056829
    • 2008-03-27
    • Motoki Morita
    • Motoki Morita
    • H04B7/00
    • H04W52/245H04W28/18
    • A wireless communication control method includes the steps of transmitting data from a mobile station to a base station using a first resource assigned based on a first scheduling method, transmitting data from the mobile station to the base station using a second resource which is assigned based on a second scheduling method and is not used in the step of transmitting using the first resource, and instructing the base station to regulate use of the first resource in accordance with a second resource amount assigned as the second resource by a radio control station which controls use of resources in wireless communication for the base station, and a second resource usage as a ratio of a resource used in the step of transmitting using the second resource to the second resource amount. A wireless communication system and a radio control station are also disclosed.
    • 无线通信控制方法包括以下步骤:使用基于第一调度方法分配的第一资源将数据从移动站发送到基站,使用基于基于第一调度方式分配的第二资源从所述移动站向所述基站发送数据 第二调度方法,并且不在使用第一资源的发送步骤中使用,并且指示基站根据控制使用的无线电控制站根据被分配为第二资源的第二资源量来调节第一资源的使用 用于基站的无线通信中的资源,以及作为在使用第二资源发送的步骤中使用的资源与第二资源量的比率的第二资源使用。 还公开了无线通信系统和无线电控制站。
    • 28. 发明申请
    • WIRELESS COMMUNICATION SYSTEM, BASE STATION, WIRELESS COMMUNICATION METHOD AND RECORDING MEDIUM
    • 无线通信系统,基站,无线通信方法和记录介质
    • US20120149374A1
    • 2012-06-14
    • US13392382
    • 2010-08-19
    • Motoki MoritaKojiro Hamabe
    • Motoki MoritaKojiro Hamabe
    • H04W36/30H04W52/04
    • H04W36/04H04W52/244H04W52/40H04W84/045
    • A wireless communication system (100) includes a plurality of mobile stations (30, 40), a macro base station (10), and a femtocell base station (20) that communicatively connects to a registered mobile station. The femtocell base station (20) includes: a handover execution unit (25) that, when a communication quality of a received signal received from one mobile station which is not a registered mobile station satisfies a predetermined condition and a communication connection to another mobile station is made, hands over the communication connection of another mobile station to the macro base station (10); and a transmission power control unit (26) that, when a received signal is received from one mobile station which is not a registered mobile station and the communication connection to another mobile station is not made, suppresses power of a transmission signal transmitted to the mobile station.
    • 无线通信系统(100)包括多个移动站(30,40),宏基站(10)和通信地连接到已注册的移动站的毫微微小区基站(20)。 毫微微小区基站(20)包括:切换执行单元,当从不是注册移动站的一个移动站接收的接收信号的通信质量满足预定条件和到另一个移动站的通信连接时 将另一移动站的通信连接交给宏基站(10); 以及发送功率控制单元,当从不是注册移动台的一个移动台接收到接收到的信号并且没有进行到另一个移动台的通信连接时,抑制发送到移动台的发送信号的功率 站。
    • 29. 发明申请
    • WIRELESS STATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION CONTROL METHOD
    • 无线站设备,无线通信系统和无线通信控制方法
    • US20110256859A1
    • 2011-10-20
    • US13129336
    • 2009-10-30
    • Motoki MoritaTakashi Mochizuki
    • Motoki MoritaTakashi Mochizuki
    • H04W88/08H04W4/00
    • H04B7/086H04B7/0857
    • A wireless station apparatus is proposed that solves the problem of deterioration of communication quality. An arrival direction detection unit (13) detects the direction of arrival of uplink signals received by a wireless receiver (11). A mobile station determination unit (12) determines whether the transmission-origin mobile station of the uplink signals that are received by the wireless receiver (11) is a permitted mobile station or a nonpermitted mobile station. Based on the uplink signals received by the wireless receiver (11) and the determination result of the mobile station determination unit (12), an antenna adjustment unit (14) finds the degree of interference of permitted mobile stations and nonpermitted mobile stations in the direction of arrival that was detected in the arrival direction detection unit (13). The antenna adjustment unit (14) adjusts the direction of directivity of the reception antenna (10) in accordance with the degree of interference that was found.
    • 提出了一种解决通信质量恶化的问题的无线站装置。 一个到达方向检测单元(13)检测由无线接收器(11)接收的上行链路信号的到达方向。 移动台确定单元(12)确定由无线接收器(11)接收的上行链路信号的发送起始移动台是允许的移动台还是未经允许的移动台。 根据无线接收机(11)接收到的上行链路信号和移动台确定单元(12)的确定结果,天线调整单元(14)根据允许的移动台和未经允许的移动台的方向 在到达方向检测单元(13)中检测到的到达。 天线调整单元(14)根据发现的干扰程度来调整接收天线(10)的方向性的方向。
    • 30. 发明申请
    • RADIO STATION APPARATUS, RADIO RESOURCE CONTROL METHOD, RECORDING MEDIUM STORING RADIO STATION CONTROL PROGRAM, AND RADIO COMMUNICATION SYSTEM
    • 无线电台设备,无线电资源控制方法,记录媒体无线电台控制程序和无线电通信系统
    • US20110003559A1
    • 2011-01-06
    • US12920269
    • 2009-02-12
    • Motoki MoritaKojiro Hamabe
    • Motoki MoritaKojiro Hamabe
    • H04B17/00
    • H04W16/16H04J11/0056H04W52/242H04W52/244
    • To suppress, when communication is performed between two radio stations, interference on other radio stations located in the vicinity of them. A femto base station 1 communicates with a femto mobile station 3-1. The femto base station 1 includes a radio transmission/reception unit 11 and a radio resource control unit 15. The radio transmission/reception unit 11 measures reception quality of an uplink signal that is transmitted from a macro mobile station 3-2, which connects to and communicates with a macro base station 4, to the macro base station 4. The radio resource control unit 15 calculates an estimated loss value LE relating to a propagation loss LP between the macro mobile station 3-2 and the femto base station 1 by using a measured value of reception quality by the radio transmission/reception unit 11. Further, the radio resource control unit 15 determines a radio parameter relating to radio communication between the femto base station 1 and the femto mobile station 3-1 based on the estimated loss value LE.
    • 当在两个无线电台之间进行通信时,抑制位于其附近的其他无线电台的干扰。 毫微微基站1与毫微微移动台3-1进行通信。 毫微微基站1包括无线电发送/接收单元11和无线电资源控制单元15.无线电发送/接收单元11测量从宏移动台3-2发送的上行链路信号的接收质量,该宏移动台3-2连接到 并与宏基站4通信到宏基站4.无线资源控制部15通过使用宏移动台3-2与毫微微基站1之间的传播损耗LP来计算估计损耗值LE 无线电发送/接收单元11的接收质量的测量值。此外,无线电资源控制单元15基于估计的损耗来确定与毫微微基站1和毫微微移动站3-1之间的无线电通信有关的无线电参数 价值LE。