| 摘要 |
A dynamic channel allocation process successively allocates channels of higher priorities to requests for channel allocation. When a priority change count overflows or reaches an upper limit, the priority change count is cleared to zero. However, past data are not eliminated, and a change in a base station service area can be handled. Specifically, when the priority change count reaches an upper limit n, the priority at that time is stored as M1, and fixed as it is until the priority change count reaches the upper limit n next time. When priority change count reaches the upper limit n twice, the priority at that time is updated to M2 and stored fixedly for use as the priority until the priority change count subsequently reaches the upper limit n.
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