| 摘要 |
<p>Provided is a communication system, wherein appropriate band control is conducted without affecting the quality of the communication being executed. The communication system comprises: an information exchange server that exchanges transmission/reception band information, among a plurality of terminal devices grouped together based on the individual locations of the terminal devices; and the terminal devices that exchange transmission/reception band information via the aforementioned information exchange server, and control the band to be used in communication with other terminal devices, based on the received transmission/reception band information.</p> |
