User profile replication for faster location lookup in mobile environments
MobiCom '95 Proceedings of the 1st annual international conference on Mobile computing and networking
Reducing location update cost in a PCS network
IEEE/ACM Transactions on Networking (TON)
Dynamic hierarchical database architecture for location management in PCS networks
IEEE/ACM Transactions on Networking (TON)
IEEE Transactions on Parallel and Distributed Systems
Location management in cellular networks
Handbook of wireless networks and mobile computing
The Mobile Communications Handbook
The Mobile Communications Handbook
Two-Level Pointer Forwarding Strategy for Location Management in PCS Networks
IEEE Transactions on Mobile Computing
Location management for next-generation personal communications networks
IEEE Network: The Magazine of Global Internetworking
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The main objective of PCS networks is to provide "anytime-anywhere" cellular services. Accordingly, lost calls as well as the network slow response have become the major problems that hardly degrade the network reliability. Those problems can be overcome by perfectly managing the Mobile Terminals MTs locations. In the existing location management LM scheme, Location Area LA is the smallest unit for registration. A MT must register itself when passing through its LA boundary to a neighboring one. Moreover, such registration takes place at the MTs' master HLR even though currently managed by another HLR, which increases communication costs. As a result, existing LM scheme suffers from; 1 excessive location registrations by MTs located around LA boundaries ping-pong effect and 2 requiring the network to poll all LA cells to locate the callee MT. In this paper, a novel LM strategy is introduced by restructuring LAs into smaller areas called Base Areas BAs, which impacts the paging cost. The proposed LM strategy uses caching to reduce unwanted updates and 2LP to reduce paging cost. Experimental results show that the proposed scheme introduces a distinct improvement in network response and tracing process.