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    • 6. 发明授权
    • Mobile base station, mobile terminal, mobile communications system and method
    • 移动基站,移动终端,移动通信系统及方法
    • US08725185B2
    • 2014-05-13
    • US12779037
    • 2010-05-12
    • Kazuyuki OzakiYuuta NakayaMakoto Yoshida
    • Kazuyuki OzakiYuuta NakayaMakoto Yoshida
    • H04W72/04
    • H04W72/0426H04W72/10
    • A mobile base station includes a detecting unit that detects communication information concerning another cell; a switching unit that based on the detected communication information, switches a communication resource used by the mobile base station to a communication resource different from that used in the other cell; a communication resource reporting unit that reports to a mobile terminal in a cell of the mobile base station, the communication resource switched to by the switching unit; and a communication information reporting unit that reports to a base station outside the cell of the mobile base station, communication information concerning the communication resource switched to by the switching unit.
    • 移动基站包括检测与另一小区有关的通信信息的检测单元; 基于检测到的通信信息的切换单元,将由移动基站使用的通信资源切换到与其他小区中使用的通信资源不同的通信资源; 通信资源报告单元,向所述移动基站的小区中的移动终端报告所述切换单元切换到的所述通信资源; 以及通信信息报告单元,向所述移动基站的小区外的基站报告与所述切换单元切换到的通信资源有关的通信信息。
    • 7. 发明授权
    • Frequency control device, frequency control method, base station apparatus, and mobile station apparatus
    • 频率控制装置,频率控制方法,基站装置和移动站装置
    • US08208880B2
    • 2012-06-26
    • US12841269
    • 2010-07-22
    • Kazuyuki OzakiYuuta NakayaMakoto Yoshida
    • Kazuyuki OzakiYuuta NakayaMakoto Yoshida
    • H04B1/18
    • H04L27/2657H04L27/2678H04L27/2688H04L2027/003H04L2027/0067H04L2027/0073H04W56/0035
    • There is provided a frequency control device that includes a frequency synchronizer to transform a radio signal to a baseband signal, a same signal correlator to obtain a first correlation value between a first signal in a first position in a first transmission symbol of the baseband signal and a second signal included in a second period, a different symbol correlator to obtain a second correlation value between a third signal included in a third period of the first transmission symbol and a fourth signal included in a fourth period, a frequency error estimator to estimate a frequency error added on the radio signal based on a phase rotation value of a difference value obtained by a subtraction of the second correlation value from the first correlation value, and a frequency corrector to correct the baseband signal to cancel the frequency error.
    • 提供了一种频率控制装置,其包括用于将无线电信号变换为基带信号的频率同步器,相同的信号相关器,以获得基带信号的第一传输符号中的第一位置的第一信号和第一相关值, 包括在第二周期中的第二信号,不同的符号相关器,以获得包括在第一传输符号的第三周期中的第三信号和包括在第四周期中的第四信号之间的第二相关值,频率误差估计器,用于估计 基于通过从第一相关值减去第二相关值而获得的差值的相位旋转值在无线电信号上添加的频率误差;以及频率校正器,用于校正基带信号以消除频率误差。