| 摘要 |
To suitably suppress distribution delay at the time of multi-hop communication or broadcast transfer while including a communication station in a power-saving state. First, STA-A immediately transmits broadcast data to STA-B which is running in an active mode, and subsequently, executes transmission of a beacon at a TBTT when STA-C operates a receiver, and then transmits the broadcast data to the STA-C. Thus, the broadcast data can be distributed to the STA-B which is running in the active mode with the minimum delay, and on the other hand, the broadcast data is distributed to the STA-C which is running in a sleep mode in a sure manner while generating a delay quantity of only T0.
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