Patent ID: 8072962

Claim:
A method of detecting and solving a network identifier (ID) conflict by a first device that sends frames to and receives frames from a second device in a first personal area network (PAN) and that is able to receive signals from a second neighboring personal area network (PAN) among one or more neighboring personal area networks (PANs), the method comprising: generating and transmitting a personal area network identifier (PAN ID) report command frame that comprises an extended PAN ID (EPID); and receiving a PAN ID update command frame in response to the transmitted PAN ID report command frame, wherein the PAN ID report command frame comprises a PAN ID conflict flag, wherein in the generating and transmitting, if a neighboring PAN, among the one or more neighboring PANs, using a different EPID but a same PAN ID exists, the PAN ID conflict flag is set by the first device to indicate that a PAN ID conflict has been searched by the first device and the PAN ID report command frame is generated.