Patent ID: 9706474
Date: 2017-07-11
CPC Classifications: H04W

Claim:
1. A method of barring a network access performed in a mobile device connectable to a radio access network and capable of establishing a communication session, the method comprising: broadcasting, by the radio access network, broadcast information to each mobile device that includes barring information for barring an access to the network, wherein each mobile device connectable to the radio access network belongs to at least one of access classes, the access classes include a special type access class and a normal type access class, the barring information includes first barring information for designating whether a mobile device in each access class is subjected to access barring, and second barring information indicating a value serving as a reference for determining appropriateness of an access according to a relationship with a numerical value generated by each mobile device, and values of the reference indicated by the second barring information includes a first type value indicating that, depending on numerical values generated by mobile devices subjected to access barring, an access of a certain mobile device is denied while an access of another mobile device is allowed, and a second type value other than the first type value, determining, by the mobile device, if the reference is the first type value or the second type value, determining, by the mobile device, when the mobile device determines that the reference is the second type value, the appropriateness of an access or the appropriateness of a session establishment based on designation by the first barring information when the mobile device has the special type access class, and denying, by the mobile device, access or a session establishment when the mobile device does not have the special type access class.