| 摘要 |
<P>PROBLEM TO BE SOLVED: To effectively utilize a radio channel by allowing the modulation systems (for example, the 16QAM system and the π/4 shift QPS system) for use to be switched in accordance with the destination of communication (a mobile station or a fixed station). <P>SOLUTION: The radio equipment of a terminal station (a mobile station or a fixed station) superposes the terminal station information indicating which of a mobile station or a fixed station the terminal station itself is, on a call setting signal when transmitting the call setting signal to an administrative station controller through the radio equipment of a base station, and the administrative station controller superposes the modulation system information of the destination terminal station, which is obtained from the terminal station information, on a call setting acceptance signal when transmitting the call setting acceptance signal to the terminal station through the radio equipment of the base station. <P>COPYRIGHT: (C)2004,JPO |
