System and method for handoff using hybrid network

[0048] The present invention will now be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. This invention may, however, be embodied in different forms and should not be construed as being limited to the exemplary embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art.

[0049]FIG. 1 illustrates the structure of a wireless local area network (WLAN).

[0050] The WLAN includes a terminal (station or node) 120 desiring access to a network, and access points 110-1 and 110-2 relaying the terminal. The access points are connected to a backbone network.

[0051] The terminal 120 may be a battery-driven notebook computer or a personal digital assistant (PDA), but is not necessarily limited to such devices.

[0052] To be sent to another network, an 802.11 network frame has