Patent ID: 9521556
Filing Date: 2016-12-13
CPC Classification: H04B,H04W

Claim Text:
1. A communication method in a wireless network using a direct link by a first device, the method comprising: determining whether a quality of a direct link channel is lower than a predetermined level, during communication using the direct link; requesting an access point to allocate an available channel when it is determined that the quality of the direct link channel is lower than the predetermined level; and changing the direct link channel from the direct link channel to a second direct link channel, allocated by the access point in response to the request for the available channel, wherein the wireless network includes the access point that controls the wireless network and the communication using the direct link is direct communication between the first device and a second device communicating with each other on the wireless network using the direct link without transmitting data through the access point, and wherein the determining whether the quality of the direct link channel is lower than the predetermined level comprises: