FIELD: radio engineering, communication.
SUBSTANCE: invention particularly discloses a method of performing a link adaptation procedure which includes steps of: receiving a modulation and coding scheme (MCS) feedback request transmitted by an access point (AP) to a plurality of stations; estimating an MCS by considering a spatial stream corresponding to the MCS feedback request transmitted to the other stations; and transmitting an MCS feedback response comprising the estimated MCS to the AP.
EFFECT: performing a link adaptation procedure for multi-user transmission taking into account a wireless communication environment on a real time basis.
6 cl, 8 dwg
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