| 摘要 |
<P>PROBLEM TO BE SOLVED: To acquire suitable radio quality information in accordance with a communication situation. <P>SOLUTION: A mode judging part 112 inputs control signals from a quality IF part 56, a quality IF part 110 and a quality IF part 70, and judges whether a W-LAN communication part 24, a simple portable telephone communication part 26 and an EV-DO communication part 28 are in the middle of communication or at a sleep mode based on the control signals. A request part 114 requests output of radio quality information from the quality IF part 56, the quality IF part 110 and the quality IF part 70 at a prescribed interval. A quality judging part 116 inputs the control signals from the quality IF part 56, the quality IF part 110 and the quality IF part 70 and judges one from the W-LAN communication part 24, a W-LAN base station antenna 36 and the EV-DO communication part 28, which are to be used for communication, based on radio quality information shown by the control signals. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
