Multiplex communications – Communication over free space – Combining or distributing information via time channels
Reexamination Certificate
2003-12-24
2009-02-24
Yao, Kwang B. (Department: 2616)
Multiplex communications
Communication over free space
Combining or distributing information via time channels
C370S475000
Reexamination Certificate
active
07496083
ABSTRACT:
Provided is a mobility management node capable of forming a paging area, without need for management of a migration history at a mobile node and for notification of a migration history from a mobile node to a network. In mobility management node (MAP)1, mobility manager66lets binding cache68store a home address and a c/o address of each mobile node (MN) in correlation with each other. Migration history storage70stores a transition frequency of the c/o address stored in binding cache68in correlation with prefixes before and after transition. Migration history storage70defines paging area information by a set of prefixes included in combinations containing common prefixes, out of combinations of prefixes before and after transition with each of which a transition frequency over a predetermined reference value is correlated. Paging controller72notifies the MN of this paging area information.
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Inoue Masahiro
Okajima Ichiro
Omae Koji
Umeda Narumi
Loo Juvena
NT DoCoMo, Inc.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Yao Kwang B.
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