Patent ID: 8184566

Claim:
A system for the coexistence of a wireless local area network (WLAN) in power saving mode, and another type of wireless transmission, accompanying with a wireless transmission module transmitting or receiving data in a first slot and a second slot, where the first and second slots are separated by an available window, comprising: a WLAN module obtaining information regarding the available window, determining whether a length of the available window is not sufficient enough to obtain buffered data following the PS-Poll at any basic rate, transmitting a polling request (PS-Poll) at a supported rate higher than any basic rate in the available window in order to obtain the buffered data from an access point (AP) when the length of the available window is not sufficient enough to obtain the buffered data following the PS-Poll at any basic rate, wherein the supported rate is encoded in a supported rate set announced by the AP, and the basic rate is encoded in a basic rate set announced by the AP, and the PS-Poll is a polling request relating to a power saving mode of operation.