A computer-aided design method for developing, simulating, and testing a read-channel architecture to be implemented in a VLSI circuit. A transmitter comprises an inductively coupled power source that is configured to provide a magnetic energy field. Upon receipt of the binding update message, the correspondent host knows a care-of address of the mobile node. This location may be refined by determining an angle between the client device and at least one of the network devices having multiple antennas and being configured for steered beam communications.