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    • 1. 发明申请
    • Wireless Communication System
    • 无线通信系统
    • US20080273484A1
    • 2008-11-06
    • US10597281
    • 2005-01-20
    • Hirotaka FukutsukaHiroshi KondoShinichi Ogo
    • Hirotaka FukutsukaHiroshi KondoShinichi Ogo
    • H04Q7/00
    • H04W74/06H04W36/30
    • It is an object of the present invention to provide a wireless communication system, which ensures that communication can be maintained in an excellent status although a mobile wireless station may be moved in a service area. A CPU (210) of a mobile wireless station (2) in process of transmission is operated to causes a receiving circuit (202) to periodically notify the CPU (210) of the electric field intensity of a received radio wave. When the electric field intensity of the received radio wave becomes lower than a predetermined value, the CPU (210) is operated to judge the distance from a base station (1), with which the mobile wireless station (2) is currently communicating, is increased, and the CPU (210) is operated to control the receiving circuit (202) to receive radio waves on transmission frequencies of base stations (1) other than the base station (1) and detect the electric field intensities of the received radio waves. Then, the CPU (210) is operated to control the receiving circuit (202) to receive the radio wave of the base station (1) which is the strongest in the electric field intensity of the radio wave among the base stations (1). When the data of a DTMF signal of the radio wave is indicative of “transmission permitted”, the CPU (210) is operated to control the receiving circuit (202) to switch to the base station (1) for communication. When, on the other hand, the data of the DTMF signal of the radio wave is indicative of “transmission inhibited”, the CPU (210) is operated to control the receiving circuit (202) to receive radio waves of the base stations in order of decreasing electric field intensity of the radio wave, and switch to the base station (1) which transmits DTMF signal having data indicative of “transmission permitted”.
    • 本发明的目的是提供一种无线通信系统,其可以确保尽管可以在服务区域中移动移动无线站,但是可以将通信维持在良好的状态。 操作在传输过程中的移动无线站(2)的CPU(210)使得接收电路(202)周期性地通知CPU(210)所接收的无线电波的电场强度。 当接收的无线电波的电场强度变得低于预定值时,CPU(210)被操作以判断与移动无线站(2)当前正在通信的基站(1)的距离是 并且CPU(210)被操作以控制接收电路(202)在基站(1)之外的基站(1)的发送频率上接收无线电波,并且检测所接收的无线电波的电场强度 。 然后,CPU(210)被操作以控制接收电路(202)接收在基站(1)中无线电波的电场强度中最强的基站(1)的无线电波。 当无线电波的DTMF信号的数据表示“允许传输”时,CPU(210)被操作以控制接收电路(202)切换到基站(1)进行通信。 另一方面,当无线电波的DTMF信号的数据表示“禁止传输”时,CPU(210)被操作以控制接收电路(202)按顺序接收基站的无线电波 降低无线电波的电场强度,并切换到发送具有指示“允许发送”的数据的DTMF信号的基站(1)。
    • 3. 发明申请
    • WIRELESS COMMUNICATION SYSTEM
    • 无线通信系统
    • US20120140747A1
    • 2012-06-07
    • US13311744
    • 2011-12-06
    • Shouhei TaniguchiRyosuke KitagoHirotaka Fukutsuka
    • Shouhei TaniguchiRyosuke KitagoHirotaka Fukutsuka
    • H04W72/04H04B7/212
    • H04W72/1247
    • The wireless communication system of the present invention has a first communication mode in which a center module preferentially allocates a slot to communication data of a calling sub station according to a priority of the calling sub station, and a second communication mode in which the center module allocates the slot to the communication data received from the calling sub station irrespective of the priority of the calling sub station. The center module determines which sub station can make a call to which sub station, each sub station transmits identification information to the center module, and the center module identifies the transmitting sub station based on the identification information, determines which sub station the identified sub station can make a call to, and allocates the slot to communication between the sub station determined to be capable of making a call and the transmitting sub station.
    • 本发明的无线通信系统具有第一通信模式,其中中心模块根据主叫子站的优先级优先地为呼叫子站的通信数据分配时隙,以及第二通信模式,其中中心模块 无论呼叫子站的优先级如何,都将时隙分配给从呼叫子站接收的通信数据。 中心模块确定哪个子站可以呼叫哪个子站,每个子站向中心模块发送识别信息,并且中心模块基于识别信息识别发射子站,确定哪个子站所识别的子站 可以进行呼叫,并且将该时隙分配给被确定为能够进行呼叫的子站与发送子站之间的通信。
    • 4. 发明授权
    • Wireless communication system
    • 无线通信系统
    • US09265059B2
    • 2016-02-16
    • US13311744
    • 2011-12-06
    • Shouhei TaniguchiRyosuke KitagoHirotaka Fukutsuka
    • Shouhei TaniguchiRyosuke KitagoHirotaka Fukutsuka
    • H04W72/12
    • H04W72/1247
    • The wireless communication system of the present invention has a first communication mode in which a center module preferentially allocates a slot to communication data of a calling sub station according to a priority of the calling sub station, and a second communication mode in which the center module allocates the slot to the communication data received from the calling sub station irrespective of the priority of the calling sub station. The center module determines which sub station can make a call to which sub station, each sub station transmits identification information to the center module, and the center module identifies the transmitting sub station based on the identification information, determines which sub station the identified sub station can make a call to, and allocates the slot to communication between the sub station determined to be capable of making a call and the transmitting sub station.
    • 本发明的无线通信系统具有第一通信模式,其中中心模块根据主叫子站的优先级优先地为呼叫子站的通信数据分配时隙,以及第二通信模式,其中中心模块 无论呼叫子站的优先级如何,都将时隙分配给从呼叫子站接收的通信数据。 中心模块确定哪个子站可以呼叫哪个子站,每个子站向中心模块发送识别信息,并且中心模块基于识别信息识别发射子站,确定哪个子站所识别的子站 可以进行呼叫,并且将该时隙分配给被确定为能够进行呼叫的子站与发送子站之间的通信。