Patent ID: 8099102
Filing Date: 2012-01-17
Classification: H04W

Abstract:
1. A call admission control device in a communication system for transmitting a packet to a plurality of mobile stations, the device comprising: transmission data rate grasp means for measuring an average transmission data rate of a plurality of mobile stations in communication; minimum transmission data rate setting means for setting a value of a minimum transmission data rate; judge means for judging whether or not a value of the average transmission data rate of the plurality of mobile stations in communication is lower than the value of the minimum transmission data rate; and new mobile station admission means for controlling a call of a new mobile station not to admit, in at least one of cases where: a number of the plurality of mobile stations in communication in which the average transmission data rate has been judged to be lower than the minimum transmission data rate; a ratio of the number of the plurality of mobile stations in communication in which the average transmission data rate has been judged to be lower than the minimum transmission data rate; and the ratio of the number of the plurality of mobile stations in communication is higher than a predetermined threshold value, and at least one of the number and the ratio of the mobile stations in communication is higher than another predetermined threshold value.