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 a channel access in a wireless local area network, the method comprising:
receiving, by an access point (AP), a plurality of status messages from a plurality of stations, each status message includes about an access category (AC) indicating a quality of service for an uplink traffic that a corresponding station wants to send; transmitting, by the AP, an access message to the plurality of stations for requesting the plurality of stations to participate uplink transmissions; and receiving, by the AP, a plurality of data frames from the plurality of stations, wherein the access message includes information about a plurality of ACs for the plurality of stations, each AC indicating a recommended quality of service for an uplink traffic that is to be sent by a corresponding station.