METHOD AND DEVICE FOR DISCOVERING WiFi DISPLAY SERVICE IN WiFi DIRECT NETWORK

摘要

PROBLEM TO BE SOLVED: To provide a method for discovering a WiFi display (WFD: WiFi Display) service in a Wi-Fi direct network.SOLUTION: A first WFD device transmits a service discovery request frame for discovering a service supported by a second WFD device in a WiFi Direct network to the second WFD device, and receives a service discovery response frame from the second WFD device in response to the service discovery request frame. The service discovery request frame and the service discovery response frame are generated by using a GAS (Generic Advertising service) initial request frame of 802.11u and a GAS initial response frame of 802.11u, respectively.SELECTED DRAWING: Figure 1