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    • 33. 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。
    • 34. 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。
    • 35. 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。
    • 36. 发明授权
    • Mobile communication system and access control method
    • 移动通信系统和访问控制方法
    • US07831256B2
    • 2010-11-09
    • US10546382
    • 2004-06-23
    • Motoki Morita
    • Motoki Morita
    • H04W72/00
    • H04W28/02H04W28/16H04W36/00H04W92/12
    • A mobile communication system includes a mobile station (5) connected to a core network (1) through a communication line intervened by a base station (3a), and a radio control station (2) configured for controlling the setting of a radio link for the mobile station (5) in the base station (3a). The base station (3a) monitors the congested state of the communication line, generates a state indicator indicating the congested state/non-congested state of the communication line, based on the results of monitoring, and transmits the state indicator generated to the radio control station (2). The radio control station (2) recognizes the current state of the communication line based on the state indicator received from the base station (3a).When the radio control station (2) recognizes that the communication line is in the congested state and receives a line connection request from the mobile station (5), the control station (2) transmits a control signal for refusing the line connection request received to the mobile station (5) without performing control for setting the radio link.
    • 一种移动通信系统包括通过由基站(3a)插入的通信线路连接到核心网络(1)的移动台(5)和被配置为控制无线电链路的设置的无线电控制站(2) 基站(3a)中的移动台(5)。 基站(3a)基于监视结果,监视通信线路的拥塞状态,生成指示通信线路的拥塞状态/非拥塞状态的状态指示符,并将生成的状态指示符发送到无线控制 车站(2)。 无线电控制站(2)基于从基站(3a)接收的状态指示符识别通信线路的当前状态。 当无线电控制站(2)识别到通信线路处于拥塞状态并且从移动站(5)接收到线路连接请求时,控制站(2)发送拒绝接收的线路连接请求的控制信号 移动台(5)不进行设定无线链路的控制。
    • 37. 发明申请
    • RADIO COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, RADIO STATION, AND RECORDING MEDIUM
    • 无线电通信系统,通信控制方法,无线电台和记录媒体
    • US20100279703A1
    • 2010-11-04
    • US12742187
    • 2008-10-20
    • Motoki MoritaKojiro Hamabe
    • Motoki MoritaKojiro Hamabe
    • H04W72/08
    • H04W52/12H04W52/146H04W52/241H04W52/244H04W52/346
    • There is provided a preferable communication quality between a wireless station (for example, a micro base station) located within a macro cell and a mobile station communicating with the wireless station, without depending on a location of the wireless station within the macro cell while suppressing the interference that the communication between the wireless station and the mobile station exerts on the macro cell. A femto base station (4) sets, based on the measurement result of the reception power (Pmacro) of a pilot signal transmitted from a macro base station (3), a target reception power (RTWP_target) of uplink data used for controlling the transmission power of the uplink data transmitted from a mobile station on an uplink. Specifically, it is preferable to set the target reception power (RTWP_target) to be larger as the reception power (Pmacro) of the pilot signal decreases.
    • 在宏小区内的无线站(例如,微基站)和与无线站通信的移动站之间提供优选的通信质量,而不依赖于宏小区内的无线站的位置,同时抑制 无线站与移动站之间的通信对宏小区发生的干扰。 毫微微基站(4)基于从宏基站(3)发送的导频信号的接收功率(Pmacro)的测量结果,设定用于控制传输的上行链路数据的目标接收功率(RTWP_target) 在上行链路上从移动台发送的上行链路数据的功率。 具体而言,优选的是,当导频信号的接收功率(Pmacro)减小时,将目标接收功率(RTWP_target)设定得较大。