METHOD AND APPARATUS FOR RESCHEDULING TARGET WAKE TIME SERVICE PERIOD IN WIRELESS LAN SYSTEM

A method and an apparatus for rescheduling a target wake time (TWT) service period (SP) in a wireless LAN system are disclosed. The method performed by a station (STA) in a wireless LAN system, according to one embodiment of the present disclosure, comprises the steps of: establishing an agreement related to a restricted target wake time (r-TWT); and transmitting, to one or more other STAs, at least one frame including a TWT information field. Here, the TWT information field can include an r-TWT-related subfield, all TWT subfields, and the next TWT subfield, and rescheduling-related information about the r-TWT SP scheduled for the STA can be indicated on the basis of the r-TWT-related subfield, all the TWT subfields, and the next TWT subfield.