| 摘要 |
PROBLEM TO BE SOLVED: To relay data by a mobile communication terminal device. SOLUTION: The mobile communication terminal device includes a decision means for deciding whether to operate as a relay station based upon a signal received from a radio base station, a relay station, or another communication terminal device performing relay control, and a control means of controlling its device to operate as the relay station when deciding that the relay control is performed. COPYRIGHT: (C)2010,JPO&INPIT
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