摘要 |
A mobile station is configured to use, a reception quality of GPS electric wave received by a mobile station, time needed in obtaining GPS location information (or the reception quality of preset television or radio broadcasting) as surrounding environmental information of the mobile station and to control, based on the surrounding environmental information, measurement of a link status (reception quality) and/or reporting of the measurement to a base station. A report from the mobile station is transmitted via the base station and a gateway to a management server which optimizes radio parameter based on the report.
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