Mobile users: to update or not to update?
Wireless Networks
Location management for next-generation personal communications networks
IEEE Network: The Magazine of Global Internetworking
Distributed paging and registration in wireless networks
IEEE Network: The Magazine of Global Internetworking
Shall we apply paging technologies to proxy mobile IPv6?
Proceedings of the 3rd international workshop on Mobility in the evolving internet architecture
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As 3G wireless systems evolve towards 4G, various wireless network technology organizations looking at network architectures for 4G are considering a redesign of the network away from the traditional centralized, hierarchical design towards a more distributed operation of network functions. In this paper, we present some mechanisms for distributed operation of paging in 4G systems. Our focus is on highlighting the tradeoffs that drive the design choice of whether to centralize or distribute the paging operation. One such tradeoff arises from considerations of service reliability and availability. We present a distributed redundancy scheme for improving the reliability and availability for distributed paging. We analyze the fraction of time that mobiles remain reachable through paging (i.e. the paging service availability) in idle mode in the presence of base station and backhaul failures.