Importance

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Abstract

In a communication system which transmits a packet to a plurality of mobile stations classified into a plurality of priority classes, call admission control is realized with a priority class taken into account. When a new mobile station is starting communications, the number of mobile stations which belong to a plurality of priority classes is calculated by a mobile station number acquisition unit. A weight coefficient setting unit sets a weight coefficient for each of the plurality of priority classes. A first threshold value setting unit and a second threshold value setting unit set a threshold value for each of the plurality of priority classes. A first call number judgment unit and a second call number judgment unit control admission of a call by a new mobile station based on the number of mobile stations belonging to the plurality of priority classes, the weight coefficient for each of the plurality of priority classes, and the threshold value of each of the plurality of priority classes. Based on the set threshold value and the weight coefficient, the call admission control can be realized with the priority class taken into account.

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First Claim