| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent transfer performance from being deteriorated without increasing the number of transfer frames in a system constituting a bidirectional communication network by optical radio communication, especially an optical radio communication system for transmitting/receiving information frames through an optical node set on a mobile and a plurality of optical repeaters of a wired network. <P>SOLUTION: A plurality of optical repeaters AP1, AP2 having an information frame switching function are arranged on a ceiling or the like, an optical node for performing bidirectional, communication with the repeaters AP1, AP2 is mounted on the mobile such as a dolly, information frames including a self- station address are periodically transmitted from an information processor connected to the optical node to the repeaters AP1, AP2 by optical radio communication, and a repeating installation 5 having a filter function for allowing information frames to continuously flow from the repeaters AP1, AP2 to a main network 3 and validating only one of information frames having the same contents is arranged. <P>COPYRIGHT: (C)2004,JPO |
