| 摘要 |
The minimum CIR which can assign a channel to a call is used as a threshold value LAMBDA c1 and a CIR which is slightly larger than the minimum CIR is used as a threshold value LAMBDA c2. The CIR of each vacant channel is measured and, when the measured CIR of a channel is less than LAMBDA c1, the priority of the channel is lowered and, when the CIR is between LAMBDA c1 and LAMBDA c2, the priority is raised. When the CIR is more than LAMBDA c2, the priority is not changed. When a cell is generated at a base station, the channel having the highest priority out of the vacant channels having CIRs more than LAMBDA c1 is assigned to the call and the priority of the channel is raised.
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