A method for improving the quality of service (QoS) in a wireless network

A method for improving the quality of service (QoS) in a wireless network comprising a base station and at least a mobile station (STA), wherein the priority-dependent transmission of frames different access categories (ACs) are defined, and wherein the mobile stations (STA) in the network using a Power Save mode (PSM), characterized in that the PSM queue is allocated at the base station into a plurality of queues.