Patent ID: 9071933
Filing Date: 2015-06-30
Classification: H04W

Abstract:
1. A method for a station (STA) to perform a channel availability query procedure in a wireless communication system, the method comprising: transmitting, at a first STA corresponding to a channel availability query requesting STA, a first message to a second STA supporting the channel availability query process, the second STA corresponding to a channel availability query responding STA, the first message comprising device location information of one or more locations for the channel availability query; and receiving, at the first STA from the second STA, a second message comprising channel availability information, wherein, when the device location information of the first message is for multiple locations within an area and the second message indicates that the channel availability information is commonly applicable to the multiple locations, the channel availability information is commonly applicable to the multiple locations within the area, and wherein, when the device location information of the first message is for the multiple locations within the area and there is no channel availability information commonly applicable to the multiple locations, the channel availability information is applicable to a first location among the multiple locations.