Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-12-11
2007-12-11
Trost, William (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S338000, C370S401000, C370S352000, C370S355000, C370S371000, C370S398000, C455S456100, C455S458000
Reexamination Certificate
active
10749398
ABSTRACT:
A mobile communications system is disclosed that includes a first local routing manager (LRM) providing a first network in which a mobile terminal is currently located, a second local routing manager (LRM) providing a second network in which a counterpart terminal communicating with the mobile terminal is currently located, and a home routing manager (HRM) managing correspondence between the unique home address of the counterpart terminal and the second network. The first LRM has a controller that acquires address information of the counterpart terminal from the second LRM, via the HRM, when the first LRM does not have the address information, and communication means that transmits the address information of the counterpart terminal to a router of a new cell in the first network when the mobile terminal moves into the new cell.
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Ihara Takeshi
Isobe Shin-ichi
Iwasaki Atsushi
Sawada Masahiro
NTT DoCoMo Inc.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Perez Julio
Trost William
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