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    • 6. 发明授权
    • Information processing apparatus and correction method
    • 信息处理装置及校正方法
    • US08509819B2
    • 2013-08-13
    • US13476280
    • 2012-05-21
    • Hideki TanakaShinichi ShiotsuHiroyasu SuganoKoichi YokotaAkira ItasakiDaisuke Yamashita
    • Hideki TanakaShinichi ShiotsuHiroyasu SuganoKoichi YokotaAkira ItasakiDaisuke Yamashita
    • H04W24/00G01S3/02
    • H04W64/00G01S5/021G01S11/06H04W24/08
    • An information processing apparatus includes an acquiring unit configured to receive signals, which are transmitted from a fixed station, including identification information for identifying the fixed station, measure receive signal strength indications of the received signals, and acquire position information indicating positions at which the receive signal strength indications are measured, the receive signal strength indications, and the identification information in association with each other; and a gain/attenuation rate calculating unit configured to calculate correction information including a transmission antenna gain in a specific direction from the fixed station and an attenuation rate in a propagation path, the correction information being obtained from the receive signal strength indication measured at a first distance in the specific direction from the fixed station and the receive signal strength indication measured at a second distance in the specific direction that is different from the first distance.
    • 一种信息处理装置,包括:获取单元,被配置为接收从固定站发送的信号,包括用于识别固定站的识别信息,测量接收信号的接收信号强度指示,以及获取指示接收到的位置的位置信息 测量信号强度指示,接收信号强度指示和识别信息相互关联; 以及增益/衰减率计算单元,被配置为计算包括来自所述固定站的特定方向上的发送天线增益和所述传播路径中的衰减率的校正信息,所述校正信息从在第一处测量的接收信号强度指示获得 距离固定站的特定方向的距离和在与第一距离不同的特定方向上的第二距离处测量的接收信号强度指示。
    • 8. 发明授权
    • Active contactless information storage device, method, and information access system
    • 主动非接触式信息存储设备,方法和信息访问系统
    • US08933793B2
    • 2015-01-13
    • US13303630
    • 2011-11-23
    • Daisuke YamashitaShinichi ShiotsuHiroyasu SuganoHideki Tanaka
    • Daisuke YamashitaShinichi ShiotsuHiroyasu SuganoHideki Tanaka
    • H04Q5/22G06K19/07
    • G06K19/0702G06K19/0723
    • An active contactless information storage device includes: an operation controller that determines whether mode information of the active contactless information storage device indicates a mode in which the device communicates with a reader/writer device; a carrier-sense controller that determines whether a first frequency in a first period and determines whether a second frequency in a second period, when the mode information of the active contactless information storage device indicates the mode in which the device communicates with the reader/writer device; and a command processor that performs communication with the reader/writer device when the carrier sense controller determines that the first frequency is sensed; wherein, when the mode information of the active contactless information storage device does not indicate the mode in which the active contactless information storage device communicates with the reader/writer device, the carrier-sense controller waits for a predetermined amount of time.
    • 一种主动非接触式信息存储装置包括:操作控制器,确定所述主动非接触式信息存储装置的模式信息是否指示所述装置与读取器/写入器装置进行通信的模式; 载波侦听控制器,当活动非接触式信息存储装置的模式信息指示设备与读取器/写入器通信的模式时,确定第一时段中的第一频率,并确定第二时段中的第二频率 设备; 以及指令处理器,当所述载波检测控制器确定感测到所述第一频率时,执行与所述读/写器设备的通信; 其中,当所述主动非接触式信息存储装置的模式信息未指示所述主动非接触式信息存储装置与所述读/写装置通信的模式时,所述载波侦听控制器等待预定的时间量。