Method and apparatus for space division multiple access for wireless local area network system

摘要

A space division multiple access (SDMA) method is provided. The method may be performed by a station (STA), in a wireless local area network (WLAN) system. The method includes overhearing a third transmission response message transmitted by an access point (AP), and determining whether to access a channel on the basis of criteria information included in the third transmission response message.

主权项

1. A method for performing channel access in a wireless local area network, the method comprising:
transmitting, by an initiating station to an access point, a request message for requesting a channel access, the request message including information about a first access category indicating a quality of service for an uplink traffic that the initiating station wants to send; and receiving, by the initiating station from the access point, a response message as a response to the request message, the response message including information about a second access category indicating a quality of service for uplink traffics that are to be sent by a set of stations.