| 摘要 |
PROBLEM TO BE SOLVED: To obtain a navigator capable of making radio communication with other moving bodies located outside a radio communication range of an own moving body in the navigator which is used in a group comprising at least three moving bodies and is connected to a communication apparatus. SOLUTION: A moving body D travels on a certain route from a moving body A. Data of an own moving body are added by a moving body B and a moving body C, while information transmitted by the moving body A is relayed based on a predetermined data communication format sequentially. Therefore, the moving body D can receive information regarding the moving body A. In this embodiment, information transmitted from the same other moving bodies is sent by relaying from the plurality of other moving bodies, but duplicate data are made selection decision at a transmission time included in the predetermined data communication format. |
