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    • 4. 发明授权
    • Packet communication system and its communication method, base station, and mobile station
    • 分组通信系统及其通信方法,基站和移动台
    • US08594001B2
    • 2013-11-26
    • US11771627
    • 2007-06-29
    • Tohru Kikuchi
    • Tohru Kikuchi
    • H04B7/00
    • H04W72/1231H04W64/00
    • A packet communication system for packet communication between a base station and plural mobile stations is provided. The system includes: a base station including a reception quality obtaining unit which obtains reception quality of uplink signals or reception quality of downlink signals, location information obtaining unit which obtains location information of a mobile station, a location information data base in which certainty is registered as weighting coefficient, where the certainty of reception quality is obtained from combination of the prescribed location within moving range of a mobile station and propagation environment for the location, and a mobile station selection unit which selects a mobile station intended to transmit or receive signals based on a result of multiplying reception quality obtained by reception quality obtaining unit, by weighting coefficient corresponding to location information of a mobile station which is obtained from the location information data base.
    • 提供了一种用于基站与多个移动台之间的分组通信的分组通信系统。 该系统包括:基站,包括获得上行链路信号的接收质量或下行链路信号的接收质量的接收质量获取单元,获取移动站的位置信息的位置信息获取单元,确定性被登记的位置信息数据库 作为加权系数,其中从移动台的移动范围内的规定位置和该位置的传播环境的组合获得接收质量的确定性,以及选择旨在发送或接收信号的移动台的移动台选择单元 通过将由接收质量获取单元获得的接收质量相乘的加权系数与从位置信息数据库获得的移动站的位置信息相对应的结果。
    • 6. 发明申请
    • Transmission Directional Antenna Control System, Base Station, And Transmission Directional Antenna Control Method Used For System And Base Station
    • 传输方向天线控制系统,基站和传输方向天线控制方法用于系统和基站
    • US20080242243A1
    • 2008-10-02
    • US10586589
    • 2005-01-18
    • Tohru Kikuchi
    • Tohru Kikuchi
    • H04B7/02
    • H04W52/42H01Q3/2605H04B1/707H04B7/0617
    • To provide a base station capable of selecting an optimum beam from among transmitted ones of multi-beams. In the arrangement, a beam power determining part (4) determines M received signal powers of multi-beams, and a beam output selecting part (5) selects, based on the information of the received powers from the beam power determining part (4), a beam of the largest power from among M outputs of beam formers (31-3M), and receives the selected beam. A transmission weight generating part (6) selects, based on the received information, a beam corresponding to the signal of a spread code selected by a mobile station and also selects another any beam to notify their respective transmission weighting coefficients. A transmitted beam forming part (7) weights transmitted data corresponding to transmission array antenna elements (91-9N) with the transmission weighting coefficients. Spreaders (81,82) use respective different spread codes to spread input signals, and the transmission array antenna elements (91-9N) send the beam-formed signals.
    • 提供能够从发射的多波束中选择最佳波束的基站。 在该配置中,光束功率决定部(4)确定多光束的M个接收信号功率,光束输出选择部(5)根据来自光束功率决定部(4)的接收功率的信息, ,从波束形成器(31-3M)的M个输出中的最大功率的波束,并且接收所选择的波束。 发送权重生成部(6)基于接收到的信息,选择与移动台选择的扩频码的信号对应的波束,并且还选择另一个波束来通知各自的发送加权系数。 发送波束形成部分(7)用与发送加权系数相对应的传输阵列天线元件(91-9N)加权发送数据。 扩展器(81,82)使用各自不同的扩展码来扩展输入信号,并且发送阵列天线元件(91-9N)发送波束形成的信号。