Patent ID: 9510231
Filing Date: 2016-11-29
CPC Classification: H04L,H04M,H04Q,H04W

Claim Text:
1. A congestion control apparatus comprising: a collecting unit that collects mobile station information on a plurality of mobile stations camping on a radio base station to be a target of a communication restriction; a grouping unit that divides, based on the mobile station information, the plurality of mobile stations into a plurality of groups each serving as a unit of the communication restriction, by using a grouping method according to which an imbalance among the groups becomes equal to or less than a predetermined reference; a transmission unit that transmits information specifying the grouping method; a generation unit that generates communication restriction information indicative of communication restriction contents containing the information specifying the grouping method; and a storage unit that temporarily stores the generated communication restriction information, wherein the transmission unit is configured to transmit the communication restriction information, wherein the generation unit is configured to generate the communication restriction information every predetermined period before congestion occurs, and to temporarily store the generated communication restriction information in the storage unit, and wherein the transmission unit is configured to transmit the communication restriction information temporarily stored in the storage unit upon an occurrence of congestion or when an occurrence of congestion is expected.