Dynamic hierarchical database architecture for location management in PCS networks
IEEE/ACM Transactions on Networking (TON)
A profile-based location strategy and its performance
IEEE Journal on Selected Areas in Communications
Locating strategies for personal communication networks, a novel tracking strategy
IEEE Journal on Selected Areas in Communications
One-step pointer forwarding strategy for location tracking in distributed HLR environment
IEEE Journal on Selected Areas in Communications
A fully distributed location registration strategy for universal personal communication systems
IEEE Journal on Selected Areas in Communications
A caching strategy to reduce network impacts of PCS
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications
Mobility management in current and future communications networks
IEEE Network: The Magazine of Global Internetworking
Dynamic location strategy for hot mobile subscribers in personal communications
Computer Communications
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This paper proposes a new strategy of location management, the Track-Presetting strategy, for hierarchical location database architecture in Personal Communication Services. For a hot subscriber, it is possible to continually receive large numbers of calls in his/her movements. The Track-Presetting strategy is to preset a hot callee's address in the caller's current Registration-Area (RA), when the callee moves into a new RA; it needs one more database updating cost than the Cache strategy in the registration phrase, but it can significantly reduce the location tracking cost in the future. We shall also compare the performance of our strategy with those of the Cache strategy and the Basic strategy by analyzing the database access costs and signaling costs in detail. The Track-Presetting strategy is shown to have substantial benefits, especially as the subscriber's Call-to-Mobility Ratio increases under the assumption that there are short-cuts between the RAs in the real network topography.