| 摘要 |
A priority control system 10 is comprised of a priority control server 12, a base station 14, and a terminal 16. The priority control server 12 is provided with a priority issue history storage 18, a priority control determiner 20, a scheduler 22, and a priority transmitter 24. The priority control determiner 20 receives a connection request containing a priority from the base station 14 and determines whether a priority is to be issued for the terminal 16, and whether priority control is to be carried out. The scheduler 22 determines a priority control time slot for priority control on the basis of a request from the priority control determiner 20. The priority transmitter 24 transmits the priority. A restriction controller 28 of the base station 14 performs the priority control at a restriction rate lower than usual, based on a request from the priority control determiner 20. This reduces loads on the communication system and decreases the number of call requests.
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