Patent ID: 8270304

Claim:
A method for data and voice communication in a wireless local area network (WLAN) of the type including one or more access points and one or more mobile devices, the method comprising: determining a main channel list associated with the plurality of access points and plurality of mobile devices; and determining an in-use channel list that is a subset of the main channel list; wherein, during a passive scan mode, the access points listen for beacons or probe responses; wherein, during an active scan mode, the mobile devices send probe requests, and the access points send back probe responses; and wherein, during a power save mode, the mobile devices instruct an associated one of the access points that it is entering a power save mode, during which the mobile device listens for beacons and may move to other channels; wherein the APs and mobile devices may associate and provide data and voice communication over channels within the in-use channel list; wherein the active scanning mode is configured to take place simultaneously with voice communication over a channel within the in-use channel list; and wherein the in-use channel list is an 802.11h in-use channel list.