| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To effectively use limited wireless circuits (wireless channels) between terminal devices and relay station devices, as well as, a key station device, in a mobile telecommunication system provided with the relay station devices among the key station device and the terminal devices. <P>SOLUTION: The relay station device monitors whether subordinate terminal devices can communicate directly with the key station device for informing the monitoring results to the subordinate terminal devices; then, the terminal devices receive the monitoring results and when the same can directly communicate with the key station device, the same effects direct communication between the key station device; but when the terminal devices can not communicate directly with the key station device, the terminal devices communicate with the key station device via the relay station device. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
