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    • 2. 发明授权
    • Optical wireless communication system
    • 光无线通信系统
    • US07187867B2
    • 2007-03-06
    • US10385371
    • 2003-03-10
    • Koji KawabeYoshiki FurukawaHiroki YokoyamaHiroyuki OkaDaisuke UchidaKazunori HirosawaKazuyoshi Hibiya
    • Koji KawabeYoshiki FurukawaHiroki YokoyamaHiroyuki OkaDaisuke UchidaKazunori HirosawaKazuyoshi Hibiya
    • H04B10/00
    • H04W88/04H04B10/1149H04L12/4604H04L45/00
    • The present invention provides a bilateral communication network system, particularly, a optical wireless communication system communicating information frames via an optical node mounted on a mobile object and a plurality of optical repeaters connected to a wired network, which can prevent transfer performance from deteriorating without increasing frames to be transferred. The optical wireless communication system is constituted as follows. A plurality of the optical repeaters having functions to switch information frames are attached to a ceiling. The optical node bilaterally communicating with the optical repeaters are mounted on a moving object such as a robot, a vehicle or the like. Information frames including address information of the optical node are periodically transmitted from an information processor connected to the optical node via optical wireless communication. The address information is continuously transmitted from the optical repeaters to a trunk network, and a filter function is arranged in the trunk network so as to make only one frame effective among frames with the same content.
    • 本发明提供了一种双向通信网络系统,特别是通过安装在移动对象上的光节点和连接到有线网络的多个光中继器来传送信息帧的光无线通信系统,其可以防止传输性能恶化而不增加 要传输的帧。 光无线通信系统如下构成。 具有切换信息帧的功能的多个光中继器附接到天花板。 与光中继器双向通信的光学节点安装在诸如机器人,车辆等的移动物体上。 包括光节点的地址信息的信息帧通过光无线通信从连接到光节点的信息处理器周期性地发送。 地址信息从光中继器连续发送到中继网络,并且在中继网络中布置过滤功能,以便在具有相同内容的帧之间仅使一帧有效。