Patent ID: 8570964

Claim:
A wireless communication device including: a first wireless communication unit to communicate with an access point of a first wireless communication network; and a second wireless communication unit to communicate in a second wireless communication network, wherein the first wireless communication unit is to determine at least one contention-free period, during which the second wireless communication unit is expected not to communicate in the second wireless communication network, said first wireless communication unit is to monitor a signal from the second wireless communication unit, to set a point within a slot of the second wireless communication network at a predefined non-zero time period after a beginning of a slot boundary of the slot, and to determine said contention-free period to begin at the point, if the momentary level of the signal at the point is de-asserted; and wherein, during the contention-free period, the first wireless communication unit is to transmit to the access point at least one request to transmit one or more pending transmissions to the first wireless communication unit.