Monitoring boundary crossings in a wireless network

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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C455S456200, C455S456300, C455S456500, C455S456600, C455S457000, C455S414100, C455S414200, C455S404200, C701S207000, C340S990000, C342S357490, C342S357490

Reexamination Certificate

active

07133685

ABSTRACT:
A method of providing location-based services for a mobile unit operating in a wireless network including network structures. The method includes receiving an identifier associated with the mobile unit. The method also includes monitoring a location of the mobile unit using the identifier and a network-assisted location finding system to identify a crossing of a service zone boundary by the mobile unit. The service zone boundary is defined by reference to at least one of the network structures. The service zone boundary also corresponds to a geographic zone boundary. The method further includes transmitting service information to a system user in response to the crossing of the service zone boundary.

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