| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem in which a battery-powered source node is selected, electricity is consumed, and operation time of an entire network is reduced when a route is selected only by residual power of the source node in the case of a rechargeable and the battery-powered power supplies as the source node that relays communication. <P>SOLUTION: With a radio communication system, a source node 200 to be relayed detects kinds of a power supply of its own and measures the amount of residual power to transmit them to a parent node 100. The parent node 100 is provided with a routing part 111 that can select an optimal route among the source nodes in a network based on residual power cost calculated by the type of the power supply and the amount of residual power, and delay cost determined by the number of the source nodes to be relayed to allow operation time to be the longest. <P>COPYRIGHT: (C)2012,JPO&INPIT |
