Patent ID: 9526114
Filing Date: 2016-12-20
CPC Classification: H04W

Claim Text:
1. A method for transmitting data in a wireless communication system, the method comprising: transmitting, by a first station, a plurality of request to send (RTS) frames to a second station through a plurality of subchannels, each of the plurality of RTS frames being transmitted through a corresponding one of the plurality of subchannels, each of the plurality of subchannels having a 20 megahertz (MHz) bandwidth; receiving, by the first station, in response to at least one of the plurality of RTS frames, a clear to send (CTS) frame from the second station through at least one idle subchannel of the plurality of subchannels; and transmitting, by the first station, a data frame to the second station after receiving the CTS frame, wherein: