To provide a mobile communication network by simple system structure which makes communication possible even when a mobile object moves between different segments.
In the mobile communication network where a mobile segment 10A existing in the mobile object 10 and two or more fixed segments 12A, 12B arranged on the ground are constituted by one address system, each of the two or more fixed segments 12A, 12B has fixed side gateways 14A, 14B accessible to the Internet network X and at least one or more access points 16A to 16F, both of IP addresses on the fixed segment sides of the fixed side gateways 14A, 14B are set as identical. A mobile segment 10A includes one or more client terminals 20A, 20B, communicable with the access points 16A to 16F and has a MAC address data base 21 of the fixed gateways 14A, 14B and a MAC address registration part 23.
COPYRIGHT: (C)2006,JPO&NCIPI
| JP2002232455A |
Kazuya Chikatsu
Hiroshi Sudo