| 摘要 |
In a CDMA type mobile communication system, when both a radio channel in an up-link direction and a radio channel in a down-link direction are interrupted, a base station successively increases down-link transmission power by 1 dB in a constant interval until a response is sent from a mobile station, while releasing the normal down-link transmission power control operation. Also, the base station controls a power control bit produced by the base station so as to successively increase up-link transmission power of the mobile station.
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