Patent ID: 9674783
Date: 2017-06-06
CPC Classifications: H04B,H04W,Y02D

Claim:
1. A method for a wireless local area network, the method comprising: transmitting, by an access point (AP), a multi user-multiple input multiple output (MU-MIMO) scheduling information to a target station, the MU-MIMO scheduling information including a group ID field and a wakeup scheduling field, the group ID field including a group ID indicating a group of stations to which the target station belongs, the wakeup scheduling field including a wakeup offset indicating a start time for data transmission; transmitting, by the AP, a beacon frame to the target station, the beacon frame including a traffic indication map (TIM) element indicating whether there is a buffered traffic to the target station; and receiving, by the AP, a trigger frame as a response to the buffered traffic from the target station based on the wakeup offset.