Control device, and wireless communication method and system

The present invention discloses a control device, and a wireless communication method and system. The wireless communication method comprises the steps of acquiring control information; encoding the control information; inserting the encoded control information into a frame body of a detection request frame; and sending the detection request frame. According to the method, the communication establishment time is shortened, the communication timeliness is improved, and the power consumption is lowered. 本发明公开了种控制设备、无线通信方法和系统。所述无线通信方法包括：获取控制信息；对控制信息进行编码；将编码后的控制信息插入到探测请求帧的帧主体中；发送所述探测请求帧。所述方法能够缩短通信建立时间，提高通信及时性并减少功耗。