IDMP-based fast handoffs and paging in IP-based 4G mobile networks

  • Authors:
  • A. Misra;S. Das;A. Dutta;A. McAuley;S. K. Das

  • Affiliations:
  • IBM Thomas J. Watson Res. Center, Hawthorne, NY;-;-;-;-

  • Venue:
  • IEEE Communications Magazine
  • Year:
  • 2002

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Abstract

We consider the use of our previously proposed Intra-Domain Mobility Management Protocol (IDMP) in fourth-generation mobile networks. On evaluating the heterogeneous access technologies, cellular layouts, and application characteristics of 4G environments, we realize a need to reduce both handoff latency and the frequency of mobility-related signaling. We first present IDMP's fast intradomain handoff mechanism that uses a duration-limited proactive packet multicasting solution. We quantify the expected buffering requirements of our proposed multicasting scheme for typical 4G network characteristics and compare it with alternative IP-based fast handoff solutions. We also present a paging scheme under IDMP that replicates the current cellular paging structure. Our paging mechanism supports generic paging strategies and can significantly reduce the mobility-related IP signaling load