METHODS FOR TRANSMISSION AND RECEIVING OF A FRAME BY A STATION OPERATING IN THE ENERGY SAVING MODE IN A WIRELESS LOCAL NETWORK SYSTEM, AND A DEVICE FOR ITS SUPPORT

摘要

1. A method of operating in power saving mode in a wireless local area network system, the method comprising: receiving, after activation, a beacon frame including a traffic indication card (TIM) from an access point by a station, transmitting a polling frame of a service period to request a buffered frame to the access point, when TIM indicates that there is a buffered frame for the station, and the polling frame of the period of service includes a duration field and a target address field, while the duration field indicates the duration of the service period initiated by the service period polling frame, the target address field includes station identification information, the station receiving at least one buffered frame from the access point during the polled service period. 2. The method of claim 1, wherein the at least one buffered frame includes a plurality of buffered frames, and wherein the last buffered frame of the plurality of buffered frames includes a field that is set to a specific value indicating the last buffered frame during the polled service period. . The method of claim 1, wherein the interrogated service period is used by another station to set its network distribution vector. The method of claim 1, further comprising: putting the station into sleep mode when the interrogated service period ends. A wireless device for operating in power saving mode in a wireless local area network system, the wireless device comprising: a transceiver configured to receive and