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    • 1. 发明授权
    • Mobile communication system, network and mobile station
    • 移动通信系统,网络和移动台
    • US6157837A
    • 2000-12-05
    • US786480
    • 1997-01-21
    • Yasuhiro KatoAkihiro MaebaraIchiro OkajimaKazuo SugiyamaKoji Sasada
    • Yasuhiro KatoAkihiro MaebaraIchiro OkajimaKazuo SugiyamaKoji Sasada
    • H04W36/08H04Q7/20
    • H04W36/0061
    • An object of the present invention is to reduce the control time required when a channel handover is performed in a mobile communication system. The conventional system has such shortcomings that a long time is required for re-designating a channel when a channel handover procedure results in failure. Particularly, in the common access type system, there is such a problem that since a channel handover is required to be performed several times during a channel handover procedure, an extra time is required for performing the handover procedure. The present invention has a plurality of base stations for covering the service area, and a mobile station for performing a communication with the base stations through radio channels. Here, the present invention is characterized in that the base stations notify the mobile station of a plurality of candidates when the mobile station performs a handover procedure, thereby improving the problem inherent in the conventional system that a single candidate is notified when a channel handover procedure is performed. Therefore, the present invention makes it possible to change the channel to the next candidate channel at high speed when the previous channel handover procedure results in failure.
    • 本发明的目的是减少在移动通信系统中执行信道切换时所需的控制时间。 常规系统具有这样的缺点:当信道切换过程导致故障时,需要很长时间来重新指定信道。 特别地,在公共接入型系统中,存在这样的问题,即由于在信道切换过程中需要多次执行信道切换,所以需要额外的时间来执行切换过程。 本发明具有用于覆盖服务区域的多个基站和用于通过无线电信道与基站进行通信的移动站。 这里,本发明的特征在于,当移动台执行切换过程时,基站通知移动台多个候选,从而改善了常规系统固有的问题,当通道切换程序 被执行。 因此,当先前的信道切换过程导致故障时,本发明使得可以以高速将信道改变为下一个候选信道。
    • 3. 发明授权
    • Communication system and transmission station
    • 通信系统和传输站
    • US06021516A
    • 2000-02-01
    • US786479
    • 1997-01-21
    • Ichiro OkajimaAkihiro MaebaraKatsumi KobayashiKoji SasadaHiroyuki Hattori
    • Ichiro OkajimaAkihiro MaebaraKatsumi KobayashiKoji SasadaHiroyuki Hattori
    • H04L1/00H04L1/16H04L1/18G08C25/02
    • H04L1/1621H04L1/0007H04L1/1809
    • In a communication system having a transmission station which transmits the data signal and a receiving station which receives the data signal, the transmission station consists of an adding means for adding an error detecting code showing a position of a transmission error, which occurs on said data signal, in said data signal to said data signal and a retransmission means for retransmission of a part in said data signal when said receiving station requests the retransmission of the part in said data signal. The receiving station consists of a judgment means for judging a position of the transmission error in said data signal on the basis of the error detecting code which is added by the adding means and a request means for requesting the retransmission of the part containing the transmission error in the data signal on the basis of the position of the transmission error.
    • 在具有发送数据信号的发送站和接收数据信号的接收站的通信系统中,发送站由加法装置构成,该附加装置用于将表示在所述数据上发生的发送错误的位置的错误检测码相加 在所述数据信号中向所述数据信号发送信号;以及重传装置,用于当所述接收站请求所述数据信号中的部分的重传时,重传所述数据信号中的一部分。 接收站包括一个判断装置,用于根据由加法装置相加的检错码和用于请求重发包含发送错误的部分的请求装置判断所述数据信号中的传输错误的位置 在数据信号的基础上根据传输误差的位置。
    • 5. 发明授权
    • Method and apparatus of a mobile communication system which reduces power consumption by observing only the starting slot on a TDMA radio channel
    • 一种移动通信系统的方法和装置,其通过仅观察TDMA无线电信道上的起始时隙来降低功耗
    • US06819661B2
    • 2004-11-16
    • US08860240
    • 1997-06-10
    • Ichiro OkajimaAkihiro MaebaraAtsushi MuraseKatsumi KobayashiTadao Takami
    • Ichiro OkajimaAkihiro MaebaraAtsushi MuraseKatsumi KobayashiTadao Takami
    • H04B7212
    • H04W52/0216H04W74/04Y02D70/1222
    • Base station generates a mobile station identifier which indicates a mobile station that a data signal is addressed thereto, and a head slot having a data signal when there is a data signal that has a length to be able to transmitted using one slot of a TDMA radio channel. When there is a data signal that has a length to be not able to transmitted using one slot, base station generates a head slot and continuous slots which contain at least a part of data signal. Base station transmits the head slot by using the starting slot which located at predetermined position every mobile station on the TDMA radio channel, and transmits the continuous slots by using slots which follow the starting slot. Mobile station receives the starting slot, and stops reception if the starting slot is not the head slot. If the starting slot is the head slot, the mobile station judges the mobile station identifier. Furthermore, if the mobile station identifier indicates other mobile station, the mobile station stops reception, on the other hand, if the mobile station identifier indicates itself, the mobile station receives the continuous slot.
    • 基站产生指示移动站数据信号被寻址到其上的移动站标识符,以及当有数据信号具有能够使用TDMA无线电的一个时隙发送的长度的数据信号时, 渠道。 当存在长度不能使用一个时隙发送的数据信号时,基站产生包含至少一部分数据信号的头隙和连续时隙。 基站通过使用位于TDMA无线电信道上的每个移动台的预定位置的起始时隙来发送头部时隙,并且通过使用跟随起始时隙的时隙发送连续时隙。 移动台接收起始时隙,如果起始时隙不是前置时隙,则停止接收。 如果起始时隙是头时隙,则移动台判断移动台标识符。 此外,如果移动台标识符指示其他移动台,则移动台停止接收,另一方面,如果移动台标识符表示其本身,则移动台接收连续时隙。
    • 9. 发明授权
    • Location identifying method and location identifying device
    • 位置识别方法和位置识别装置
    • US08509820B2
    • 2013-08-13
    • US13380627
    • 2010-06-30
    • Sadanori AoyagiTomohiro NagataIchiro Okajima
    • Sadanori AoyagiTomohiro NagataIchiro Okajima
    • H04W24/00
    • G06Q30/02G01S5/0247G06Q30/0261H04W64/006
    • In a location identifying method, the sight of users of mobile communication terminals is estimated by calculating directions of the users based on position information of the mobile communication terminals, and the location where the lines of sight of the users are concentrated is identified based on the estimated sight. By identifying a location where the lines of sight of the users of the mobile communication terminals are concentrated, it is possible to identify an installation location where high advertising effectiveness can be achieved. Moreover, since only acquisition of the position information of the mobile communication terminals is needed, it is possible to efficiently identify an installation location of an advertisement, etc. Therefore, it is possible to efficiently identify an installation location of an advertisement or a billboard where high advertising effectiveness can be achieved.
    • 在位置识别方法中,通过基于移动通信终端的位置信息计算用户的方向,并且基于用户的视线集中的位置来识别移动通信终端的用户的视线, 估计视力 通过识别移动通信终端的用户的视线的集中位置,可以识别可以实现高广告效果的安装位置。 此外,由于仅需要获取移动通信终端的位置信息,因此可以有效地识别广告的安装位置等。因此,可以有效地识别广告或广告牌的安装位置,其中 可以实现高广告效果。
    • 10. 发明申请
    • TERMINAL-COUNT ESTIMATION DEVICE AND TERMINAL-COUNT ESTIMATION METHOD
    • 终端计数估计装置和终端计数估计方法
    • US20130157689A1
    • 2013-06-20
    • US13819009
    • 2012-01-24
    • Masayuki TeradaMotonari KobayashiToru OdawaraIchiro Okajima
    • Masayuki TeradaMotonari KobayashiToru OdawaraIchiro Okajima
    • H04W64/00
    • H04W64/006H04W4/021H04W60/00
    • A number-of-terminals estimation device includes: a location data acquisition unit to acquire location data which are a collection of multiple pieces of location information including location registration information; a first presence count estimation unit to estimate a first presence count to be the number of terminals in observation area during observation period, based on the location data; a signal removal unit to extract location data in accordance with a type of location data from the location data; a second presence count estimation unit to estimate a second presence count to be the number of terminals in observation area during observation period, based on extracted location data; and a third presence count estimation unit to estimate a third presence count to be the number of terminals in observation area during observation period, based on one or both of first and second presence counts.
    • 终端终端估计装置包括:位置数据获取单元,用于获取作为包括位置登记信息的多个位置信息的集合的位置数据; 第一存在计数估计单元,基于所述位置数据,将所述第一存在计数估计为观察期间的观察区域中的终端的数量; 信号去除单元,用于根据位置数据的位置数据类型提取位置数据; 第二存在计数估计单元,基于提取的位置数据,将第二存在计数估计为观察期间的观察区域中的终端的数量; 以及第三存在计数估计单元,其基于第一和第二存在计数中的一个或两个来将第三存在计数估计为观察期间的观察区域中的终端的数量。