CPC H04W 52/0248 (2013.01) [H04W 84/12 (2013.01)] | 12 Claims |
1. A method performed by a first station (STA) in a wireless local area network (WLAN) system, the method comprising:
transmitting, to a second STA, a target wake time (TWT) setup request message,
wherein the TWT setup request message includes information related to whether the first STA supports TWT operation in a multi-link;
receiving, from the second STA, a TWT setup response message, in response to the TWT setup request message,
wherein the TWT setup response message includes information related to a link on which the TWT operation is performed by the first STA;
determining an operating state of the first STA based on the TWT setup response message;
transmitting, to the second STA, a control frame in response to the TWT setup response message;
after receiving, from the second STA, an ACK frame for the control frame, changing a first link included in the multi-link to a doze state; and
changing the first link from the doze state to an awake state based on the TWT setup response message.
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