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    • 4. 发明授权
    • Communication apparatus and communication calibration method
    • 通信设备和通信校准方法
    • US08358681B2
    • 2013-01-22
    • US12483363
    • 2009-06-12
    • Seiichi IzumiHiroaki TakahashiHiroaki TakanoTomoya Yamaura
    • Seiichi IzumiHiroaki TakahashiHiroaki TakanoTomoya Yamaura
    • H04B1/38H04L5/16
    • H04B17/21H04B7/0848
    • There is provided a communication apparatus, including a transmission unit that transmits information by a plurality of systems and a reception unit that receives information by a plurality of systems, wherein the transmission unit includes a calibration information generation unit that generates calibration information transmitted for each the system and a calibration information generation notification generation unit that generates a calibration information generation notification indicating that the calibration information has been generated by the calibration information generation unit for each system, and the reception unit includes a calibration information detection unit that starts measurement of time based on reception of the calibration information generation notification and detecting calibration information turned back by the transmission unit for each system after a fixed time passes after starting measurement of time.
    • 提供了一种通信装置,包括由多个系统发送信息的发送单元和由多个系统接收信息的接收单元,其中,所述发送单元包括校准信息生成单元,其生成针对每个系统发送的校准信息 系统和校准信息生成通知生成单元,其生成表示每个系统的校准信息生成单元生成了校准信息的校准信息生成通知,并且接收单元包括校准信息检测单元,其开始基于时间的测量 在开始测量时间之后经过固定时间之后,接收校准信息生成通知并检测由每个系统的发送单元所转回的校准信息。
    • 8. 发明授权
    • Apparatus and method for wireless communication, and computer program
    • 无线通信的装置和方法,以及计算机程序
    • US08050314B2
    • 2011-11-01
    • US12482798
    • 2009-06-11
    • Hiroaki TakanoTomoya Yamaura
    • Hiroaki TakanoTomoya Yamaura
    • H04B1/38H04L5/16
    • H04B17/21
    • A wireless communication apparatus includes a plurality of antenna branches for transmitting and receiving a wireless communication signal, a calibration coefficient calculator for calculating a calibration coefficient for each frequency band, the calibration coefficient correcting an imbalance in phase and amplitude existing between the antenna branches, a coefficient storage memory for storing the calibration coefficient of each frequency band, a calibration coefficient reader for reading the calibration coefficient of a frequency band of one of a transmission signal and a reception signal as a target to be calibrated, a calibration coefficient interpolator for interpolating a calibration coefficient of the frequency band if the coefficient storage memory stores no corresponding calibration coefficient of the frequency band, and a calibration coefficient multiplier for multiplying one of the transmission signal and the reception signal by one of the read calibration coefficient and the interpolated calibration coefficient.
    • 无线通信装置包括用于发送和接收无线通信信号的多个天线分支,用于计算每个频带的校准系数的校准系数计算器,校正天线分支之间存在的相位和振幅的不平衡的校准系数,a 系数存储存储器,用于存储每个频带的校准系数;校准系数读取器,用于读取作为要校准的目标的发送信号和接收信号之一的频带的校准系数;校准系数内插器,用于内插 如果系数存储存储器没有存储频带的对应校准系数,则校正系数的频带;以及校准系数乘法器,用于将发送信号和接收信号之一乘以读取的校准系数和t 他插值校准系数。