Patent ID: 9642047
Date: 2017-05-02
CPC Classifications: H04W

Claim:
1. A method for performing handover by a station (STA) in a communication system, the method comprising: transmitting a first message, indicating that the STA is to perform a scan operation, to a first access point (AP) serving to the STA; receiving a second message, including at least one scan parameter related to the scan operation, from the first AP; transmitting a probe request message, to the first AP and at least one other AP, based on the at least one scan parameter; receiving a third message, including information on a second AP, from the first AP; and performing handover to the second AP, wherein the at least one scan parameter comprises a channel list indicating channels of neighboring APs to which the STA is capable to perform a handover, wherein the probe request message is transmitted through the channels indicated by the channel list, and wherein the second AP is determined by an access point controller (APC).