| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a radio communications apparatus which is provided with a means of detecting communication states of each communications system and can perform reliable and stable communication, by selecting the communications system with the best communication state at a terminal, that is capable of transmitting and receiving the plurality of communications systems. <P>SOLUTION: The radio communications apparatus, having a transmission/reception part in correspondence with a plurality of communications systems, is provided with a means of detecting the reception state of each communications system and a means for selecting the communications system with the best reception state, based on the detected reception state. The apparatus transmits and receives data, by using the communications system with the best reception state selected. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
