Patent ID: 7221651

Claim:
A radio station connectable by wire to a first wire network including a first plurality of pieces of communication terminal equipment connected by wire and connectable by radio to a second wire network including a second plurality of pieces of communication terminal equipment connected by wire and adapted for transmitting and receiving a plurality of communication data packets, the radio station comprising: identification packet generating means for generating an identification packet having a predetermined form; wireless communication means for transmitting and receiving the plurality of communication data packets between the wireless communication means and the second wire network; wire communication means for transmitting and receiving the plurality of communication data packets between the wire communication means and the first wire network; identification packet detecting means for detecting the identification packet generated by the identification packet generating means; and control means for controlling the identification packet generating means to generate the identification packet and for controlling the identification packet detecting means to detect the identification packet, wherein the identification packet includes a wire destination address portion indicating a destination, a wire transmit source address portion indicating a wire transmit source of the identification data packet, and a wireless transmit source address portion indicating a wireless transmit source of the identification data packet, and wherein each of the wire destination address portion, the wire transmit source address portion, and the wireless transmit source address portion of the identification packet indicates the radio station.