Method and apparatus for performing hand-over

An apparatus for performing hand-over in a personal basic service set (PBSS) including a plurality of stations and one original coordinator, and mounted in the coordinator, comprising:

• a receiving unit which receives an association request frame which comprises PBSS control point (PCP) capability information from each of the plurality of stations, the association request frame requesting to associate to the PBSS;
• a transmitting unit which transmits an association response frame to each of the stations which indicates whether the association request received from each of the stations is approved;
• a priority determining unit which determines a priority to be a new coordinator of the plurality of stations included in the PBSS based on the PCP capability information received from the receiving unit, and broadcasts the determined priority to the plurality of stations, wherein the priority is determined in order to appoint the new coordinator for the plurality of stations included in the PBSS;
• and
• a hand-over performing unit which performs hand-over between the original coordinator and one of the plurality of stations according to the determined priority after the transmitting unit has broadcast the determined priority to the plurality of stations.

A computer readable recording medium having embodied thereon instructions that, when executed by a computer causes the computer to perform a hand-over method performed in a personal basic service set (PBSS) including a plurality of stations and one original coordinator, the method comprising:

• receiving an association request frame comprising PBSS control point (PCP) capability information from each of the plurality of stations, the association request frame requesting to associate to the PBSS;
• transmitting an association response frame to each of the stations indicating whether the association request received from each of the stations is approved;
• determining a priority to be a new coordinator of the plurality of stations based on the PCP capability information and broadcasting the determined priority to the plurality of stations, wherein the priority is determined in order to appoint the new coordinator for the plurality of stations included in the PBSS;
• and
• performing hand-over between the original coordinator and one of the plurality of stations according to the determined priority.