Patent ID: 8310967

Claim:
A node device, comprising: a first communication interface configured to communicate data via an ad-hoc wireless local-area-network (WLAN), the ad-hoc WLAN including peer devices of a first basic service set (BSS); a second communication interface configured to communicate other data via an infrastructure WLAN, communications of the infrastructure WLAN managed via an access point of a second BSS, the first and the second communication interfaces communicating over a same WLAN communication channel and associated with the first and the second BSSs respectively; and a power save service configured to: determine a time synchronization function (TSF) offset based on a time duration between when an infrastructure beacon is received and when an ad-hoc beacon is received; and minimize, based at least in part on the TSF offset, transitions between an inactive communication mode and an active communication mode during which the data and the other data are received over the same WLAN communication channel via the ad-hoc WLAN and the infrastructure WLAN respectively.