Patent ID: 7715354
Filing Date: 2010-05-11
Classification: H04W,Y02D

Abstract:
1. A method of beacon exchange for allowing a low power device having an asymmetric link to access a wireless network to exchange beacons with any one of a plurality of normal power devices in the wireless network, the method comprising: confirming whether the low power device has an asymmetric link with a normal power device, when the low power device receives a beacon of the normal power device, based on the received beacon; negotiating with at least one relay device so that the low power device requests a relay with respect to the asymmetric link, when the low power device has the asymmetric link with the normal power device; and the at least one relay device noting a result of the negotiating to the low power device and to a normal power device with which the low power device is desired to communicate, based on the result of the negotiating.