RADIO COMMUNICATION APPARATUS AND MESSAGE TRANSMISSION METHOD

PROBLEM TO BE SOLVED: To provide a radio communication apparatus and a message transmission method capable of efficiently relaying a message at a narrow band digital wireless communication system, regardless of situation in wireless environment and the length of the message. SOLUTION: The radio communication apparatus comprises a radio transmitter/receiver 4 for transmitting and receiving wireless data; a holder 12 for holding data, an other node information write-in 21 capable of writing a location information of other node received by the radio transmitter/receiver 4 into the holder 12; an own node information acquiring portion 2 for acquiring a location information of the own node; and a message transmission stop portion 23 for computing the distance between a location information of a destination node held at the holder 12 and a location information of the own node, acquired by the own node information acquiring portion 2 and stopping transmission of a message based on the distance and a distance threshold. COPYRIGHT: (C)2008,JPO&INPIT