Patent ID: 9077528
Filing Date: 2015-07-07
Classification: H04L,H04W

Abstract:
1. A method of performing communication by a transmitter in a wireless communication system, the method comprising: transmitting a first beacon signal for a first devices supporting a first communication scheme during a first beacon period; determining a duration of a communication period for second devices supporting a second communication scheme according to a communication state of the second devices supporting the second communication scheme; transmitting a second beacon signal for the second devices and information on the duration of the communication period to the second devices during a second beacon period immediately before the communication period; and transmitting a poll signal to a polled station from among the first devices during a poll period after the communication period, wherein the first beacon period, the second beacon period, the communication period, and the poll period are included in a frame allocated for the first communication scheme, wherein a frequency used for the first communication scheme is identical to a frequency used for the second communication scheme, and wherein a signal transmission operation of the first devices using the first communication scheme is suspended during the first beacon period and the communication period.