scheme. A mobile node (MN) attached to a WLAN and then moved into an area where the
radio signal coverage from the access point (AP) does not exist. The mobile node may
reconfigure itself into ad hoc mode and connect to this network. Before the mobile node
using the resource, it must be verified whether legally or not. But in Mobile IP protocol, every
mobile node must perform the home registration to register with HA every second. If the …