| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem on a frequency channel used for communication when making communications through a base station and not through the base station to improve usability.SOLUTION: A communication device, when making communication through a base station using a first frequency channel and not through the base station using the first frequency channel, controls so as to communicate not through the base station using the second frequency channel, when the frequency channel used for communication through the base station is changed to the second frequency channel.SELECTED DRAWING: Figure 3 |
