| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the precision of control in data transmission. <P>SOLUTION: A processing section 22 transmits data corresponding to each antenna 12 from at least one of the plurality of antennas 12. A control section 30 generates a request signal for allowing a second radio device to provide rate information to the second radio device. The processing section 22 also transmits a known signal corresponding to each of the plurality of antennas 12 from the plurality of antennas 12 including the antenna 12 except the antenna 12 for transmitting the data when the request signal is transmitted. <P>COPYRIGHT: (C)2008,JPO&INPIT |
