| 摘要 |
A radio communication apparatus, including a communication control part that controls direct communication or relay communication via a base station with other radio communication apparatuses, a data generation part that generates a mode transition notification to notify the other radio communication apparatuses, which are targets of the direct communication, of a transition to a power thrifty mode or a switching request, notification to request switching from the direct communication to the relay communication via the base station, and the mode transition notification to the base station, and a mode control part that causes the transition of an operation mode to the power thrifty mode after all responses to the mode transition notification and the switching request notification are received.
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