Patent ID: 7269154

Claim:
A wireless LAN system for predicting movement destination of a child station, which includes the child station and a plurality of parent stations, wherein each of said parent stations has a MAC address and comprises: a wireless communication section for conducting communication with the child station, the communication including detecting a handover of said child station from said parent station; a table control section acquiring a table having the MAC address of each said parent stations that, relative to said parent station, can be a movement destination parent station registered, in response to said wireless communication section detecting the handover of the child station; a band reserving request signal transmitting section for generating a transmission instruction for transmitting a band reserving request frame to all of said plurality of movement parent stations having their respective MAC address registered in said table movement destination parent station; and a LAN communication section for receiving the transmission instruction and transmitting the band reserving request frame to the movement destination parent stations via LAN, further comprising: a local area route information server for providing a route information to each of said parent stations, said route information representing a direction that a child station cannot be moved in relation to said parent station, wherein said parent station further comprises a route state determining section for receiving and storing the route information and, based on said stored route information, nullifying a transmission instruction for transmitting a band reserving reguest to the parent station positioned in the direction in which the child station can not be moved.