Patent ID: 7996561

Claim:
A ZigBee network device comprising: a communication unit which connects the ZigBee network device to other devices and which communicates with the other devices; a parameter determination section which determines at least one network parameter; a calculation section which calculates addresses for child devices of the ZigBee network device based on a determined network parameter, wherein each of the child devices is connected to the ZigBee network device via the communication unit; and a controller which assigns the addresses to the child devices of the ZigBee network device; wherein the at least one determined network parameter is at least one of Cm, which indicates a maximum number of child devices of the ZigBee network device, and Rm, which indicates a maximum number of the child devices of the ZigBee network device which have routing capabilities, and wherein the Cm and Rm are individually and discretely calculated by each ZigBee network device in a ZigBee network environment.