Patent ID: 8428555

Claim:
A wireless network system, comprising: an authentication server adapted to set a priority for an access category of a wireless network service requested by a user to perform an authentication procedure in response to a user terminal requesting authentication for access to a wireless network; and an Access Point (AP) adapted to receive and store access category information of the user terminal authenticated by the authentication server and to compare access category information contained in a packet received from the user terminal to the previously stored access category information of the user terminal to control access of the user terminal to the wireless network, wherein the access category information comprises at least priority information that involves a content of a fee system with one of AC_VO (Access Category voice), AC_VI (Access Category video), AC_BK (Access Category background), and AC_BE (Access Category best effort), wherein the AP is adapted to manage a Quality of Service Station (QSTA) list table by receiving access category information of an authorized QSTA from the authentication server, adding the access category information to the QSTA list table, and deleting a disassociated QSTA from the QSTA list table, and wherein the AP is adapted to transmit the preset access category information to the corresponding user terminal during the authentication procedure with the authentication server and then to sequentially increase a mismatch counter value upon a determination that the access category information contained in a Quality of Service (QoS) control field of the packet received from the user terminal does not match the access category information of the user terminal stored in the QSTA list table.