Patent ID: 8639269
Filing Date: 2014-01-28
Classification: H04W

Abstract:
1. A wireless communication system that includes a mobile terminal and a wireless base station that transmits to said mobile terminal notification information that is used for establishing a call between said wireless base station and said mobile terminal; wherein: said mobile terminal transmits identification information that identifies predetermined notification information to said wireless base station; said wireless base station compares the identification information that was transmitted in from said mobile terminal with identification information of the notification information of the current transmission, and based on the result of comparison, transmits to said mobile terminal information for acquiring the notification information of the current transmission; said wireless base station saves identification information of at least one item of past notification information that was previously transmitted; and when as the result of said comparison the identification information that was transmitted in from said mobile terminal does not match identification information of the notification information of the current transmission, said wireless base station compares the identification information that was transmitted in from said mobile terminal with identification information of past notification information, when, as the result of said comparison, the identification information that was transmitted in from said mobile terminal matches any of identification information of past notification information, said wireless base station determines whether regulation information relating to regulation of access to said wireless base station is contained in the difference between the past notification information for which identification information matched and the notification information of the current transmission, when as the result of said determination, regulation information is not contained in the difference of notification information, said wireless base station sets in a message that establishes a call, as information for acquiring the notification information of the current transmission, information of the difference of notification information and identification information of the notification information of the current transmission and transmits the message to said mobile terminal, and when, as the result of said determination, regulation information is contained in the difference of notification information, said wireless base station sets in a message that rejects call establishment, as information for acquiring the notification information of the current transmission, information of the difference of notification information and identification information of the notification information of the current transmission and transmits the message to said mobile terminal.