Method for a wireless station to determine network metrics prior to associating with an access point of a wireless network

The wireless stations vertical method used comprises: The table thirty front wireless network by, L2 frame of wireless receiving from the Table According to hear one or more wireless network one or more wireless access point for transmitting, and further with L2 data unit related information is connected to, comprising a L2 information and L3 information. The information of the method - comprising a collecting and wireless network to a maintain, a database comprises each wireless network: The wireless network the single identifier; The platform seat with the wireless network communication quality indication ; ANDAnd the AP transmission of wireless network from one or more with begun of IP one or more L3 releasing of service provider's. The wireless network communication quality AND between the interface comprises a a temporary AND associated, said AND substrate-processing one or more at to set and one or more network insulating performance of one or more network performance measuring relating.