Patent ID: 6424840
Filing Date: 2002-07-23
Classification: H04M,H04W

Abstract:
A method for use in locating a wireless unit relative to one or more operating zones of a location based services application, comprising the steps of:receiving unit location information regarding a unit location of said wireless unit, wherein said unit location information is expressed in terms that are one of independent of network topology and based on network topology; accessing a current network topology definition including current network location information regarding one or more current network subdivisions; accessing an operating zone definition including zone location information for said one or more operating zones of said location based services application, wherein said operating zone definition is expressed in terms that are one of independent of network topology and based on network topology; processing at least one of said unit location information and operating zone information using said current network topology definition to obtain processed information such that said unit location information and operating zone information are expressed in common terms; performing a comparison of said unit location to said operating zone definition using said processed information; and wherein said current network topology definition describes a topology of said network substantially at a time of said comparison.