Apparatus and method for wireless network in coordinator-based wireless environment

A network device configured to allow a first network communication device (430) belonging to a first wireless network (420) to communicate with second network communication devices (465) belonging to a second wireless network (460) is described. The network device includes a controller that creates a wireless packet (500) carrying a predetermined protocol data unit comprising a data frame region and an information frame region, the protocol data unit including first and second device identification (ID) information identifying the first and second network communication devices (430, 465), respectively, and first and second network ID information identifying the first and second wireless networks (420, 430), respectively, and a transmitter that transmits the created wireless packet.