To provide a wireless communication system capable of reducing competition of wireless channels at a communication start without performing error detection and without making advance announcement for exclusive control, and a control method thereof.

When there is a control channel with "private" set therein in a use channel table 71 stored in a use channel Flash memory 12 concerning a communication system other than a communication system of communication equipment having received a communication start request, a control channel is selected from among control channels other than the control channel with "private" set therein. When the "priority" is set in the control channel and the usage rate of the control channel is less than 5%, the control channel is selected, and when the usage rate is equal to or more than 5%, a control channel is selected from among the control channels other than that control channel. When "reservation" is set in a control channel, the control channel is selected when not used and when it is used and the usage rate is less than 5%, that control channel is selected. When it is used and the usage rate is equal to and more than 5%, a control channel is selected among the control channels other than that control channel.