Communicating packet data with a mobile station roaming within a

Details Communicating packet data with a mobile station roaming within a Communicating packet data with a mobile station roaming within a

1997-03-25

2000-10-24

Pham, Chi H.

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

370331, 455432, 455435, H04Q 700, H04Q 720, H04L 1256

Patent

active

061377910

ABSTRACT:
A roaming mechanism enabling a mobile station to roam between a first data packet network utilizing a Mobile IP Method (MIM) and a second data packet network utilizing a Personal Digital Cellular Mobility Method (PMM) is disclosed. A foreign agent (FA) is introduced into the PMM network for enabling a mobile station associated with the MIM network and currently roaming within the PMM network to communicate packet data with an associated home agent (HA). A home agent (HA) is further introduced into the PMM network for enabling a mobile station associated with the PMM network and currently roaming within the MIM network to communicate packet data with an associated FA or Mobile IP Client Emulator (MICE) currently serving the roaming mobile station.

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