WLANS DATA UNIT FORMAT SIGNALLING FOR WIRELESS LOCAL AREA NETWORKS WLANS

摘要

One or more symbols in the SIG field may be modulated using a first symbol constellation rotation (eg 0 degrees) to indicate to the receiver that the data unit is a single user data unit or that the data unit is a multi-user data unit. Modulated using a second rotation (eg 90 degrees) to mark on.