Patent ID: 8879407

Claim:
A method of wireless communication, comprising: receiving a first packet from a first apparatus at a second apparatus; transmitting a second packet from the second apparatus to the first apparatus after the reception of the first packet; receiving a third packet from the first apparatus as a result of the transmission of the second packet; generating first information indicative of a first time value associated with the transmission of the second packet and a second time value associated with the reception of the third packet; transmitting the first information to the first apparatus to enable the first apparatus to determine a distance between the first apparatus and the second apparatus; receiving a fourth packet from the first apparatus, wherein the fourth packet comprises a first symbol sequence for gain control at the second apparatus; transmitting a fifth packet from the second apparatus to the first apparatus as a result of the reception of the fourth packet; and determining a gain level for the reception of the first packet based on the first symbol sequence.