Home agent redundancy in a cellular system

A subscriber unit is assigned a primary home agent (HA) and at least one secondary HA. Upon an initial registration, the subscriber unit first attempts to access the primary HA. Should this operation fail, the subscriber unit will attempt registration with one or more of the secondary HAs. The subsc...

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Bibliographic Details
Main Authors WENZEL PETER W, CURRIN STEVEN J, BOULOS PIERRE
Format Patent
LanguageEnglish
Published 26.01.2005
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A subscriber unit is assigned a primary home agent (HA) and at least one secondary HA. Upon an initial registration, the subscriber unit first attempts to access the primary HA. Should this operation fail, the subscriber unit will attempt registration with one or more of the secondary HAs. The subscriber unit may rank order a plurality of secondary HAs for which it has been programmed. Such ranking may be based upon the generation of a random number and with the random number used to rank the plurality of secondary home agents. In another operation, according to the present invention, a date or time of day is employed in rank ordering the plurality of secondary home agents.
Bibliography:Application Number: CN20028020607