Patent ID: 8619741

Claim:
A method for receiving data by a receiving device in a wireless network which comprises at least a transmitting device, the receiving device, and a coordinator, the method comprising: receiving a plurality of data packets from the transmitting device during a reserved channel time allocated by the coordinator, each of the plurality of data packets comprising a header which includes a channel time extension (CTE) field, wherein the CTE field of a last data packet among the plurality of data packets is set to a value to inform the receiving device whether or not the transmitting device will continue transmission to the receiving device during an unreserved channel time, and wherein the CTE fields of the plurality of data packets other than the last packet among the plurality of data packets are set to a first value; and receiving a data packet from the transmitting device during the unreserved channel time if the CTE field of the last data packet is set to a second value.