| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of wasteful use of a control station resource caused by a long time spent before data reaches an opposite communication device when executing communication through a control station, in spite of no need of passing through the control station because radio communication devices are mutually located in a short distance.SOLUTION: A radio communication device includes a plurality of radio communication units. On detecting connection of a second radio communication unit during communication by a first radio communication unit through the control station, the radio communication device exchanges information between radio communication devices to shift to direct communication between the devices provided by the first radio communication unit. |
