| 摘要 |
<P>PROBLEM TO BE SOLVED: To efficiently transmit a control signal from a radio communication device. <P>SOLUTION: A radio communication system includes a first radio communication device and one or a plurality of second radio communication devices each becoming a control signal receivable state and a data receivable state after the reception of a control signal. The first communication device includes: means for retaining the timing of each second radio communication device becoming a control signal receivable state, and for determining a control signal transmission period on the basis of the retained content; means for determining timing to perform broadcast transmission of data; and means for performing broadcast transmission of data after the lapse of the control signal transmission period. <P>COPYRIGHT: (C)2013,JPO&INPIT |
