| CPC H04W 12/009 (2019.01) [H04L 5/0055 (2013.01); H04W 12/043 (2021.01); H04W 12/30 (2021.01)] | 20 Claims |

|
1. A method, comprising:
receiving, by a server and from a first access point (AP), a Change-of-Authorization (CoA) message including a CoA role of a mobile station
storing, by the server, the CoA role of the mobile station;
receiving, by the server and from a second AP, an authentication message indicating that the mobile station has been authenticated at the second AP;
in response to receiving the authentication message, obtaining, by the server, the CoA role of the mobile station; and
transmitting, by the server and to the second AP, a CoA request including the CoA role.
|