| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless communication system, a wireless base station apparatus, a transmission power control method, and an antenna directivity control method capable of properly controlling transmission power and antenna directivity of the wireless base station apparatus installed indoors. <P>SOLUTION: The wireless communication system including the wireless base station apparatus installed indoors includes: an available type discrimination circuit 17 for discriminating whether a mobile station is used indoors or outdoors on the basis of identification information of the mobile station; a data recording section 19 for storing combinations of available type discrimination data, throughput measurement data between mobile stations, transmission power detection data, and phase value detection data for particularizing the antenna directivity; and a means for applying feedback control to transmission power on the basis of the quality standard for each available type and obtaining the minimum transmission power value for satisfying both the quality standard from the combinations stored in the data recording section 19 to optimize the transmission power and the antenna directivity. <P>COPYRIGHT: (C)2007,JPO&INPIT |
