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A wireless communication method with dynamic adding nodes for Underground Search and Rescue robot is proposed:fix the address of the controller,add repeater nodes into the net dynamically,and shift the address of the mobile terminal.With this method,the Search and Rescue robot can reach the deeper place of a mine to help rescue and keep in touch with the controller through wireless communication in a single channel,even in a complex laneway where radio wave cannot go through the thick wall.The collision in the process of the two-way multi-hop communication in the single channel will also be resolved by the communication direction priority and response signal mechanism,to enhance the reliability of communication.Finally,a sample is designed and an experiment is conducted to verify the efficiency of the method.
A wireless communication method with dynamic adding nodes for Underground Search and Rescue robot is proposed: fix the address of the controller, add repeater nodes into the net dynamically, and shift the address of the mobile terminal. Here this method, the Search and Rescue robot can reach the deeper place of a mine to help rescue and keep in touch with the controller through wireless communication in a single channel, even in a complex laneway where radio wave can not go through the thick wall. Collision in the process of the two- way multi-hop communication in the single channel will also be resolved by the communication direction priority and response signal mechanism, to enhance the reliability of communication. Finally, a sample is designed and an experiment is conducted to verify the efficiency of the method.