Mobility management of IP/LEO satellite networks using geographical location

Hiroshi Tsunoda, Kohei Ohta, Nei Kato, Yoshiaki Nemoto

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Mobility management is a core issue in IP/LEO satellite network related research. The LEO system consists of wide network of moving satellites providing connectivity to any place on the earth. It implies that the system must support numerous wireless connections under high-mobility conditions. Existing mobility management protocols like Mobile IP suppose that two types of identities, indicating a unique name and position in the network, are dynamically bound in each handover. However, in the IP/LEO system, handovers are mainly caused by fast moving satellites, not moving nodes. As a result, quite a few binding update requests are generated during a short period by the moving satellites; this makes mobility management difficult. In this paper, we propose a new mobility management method that separates binding updates from handovers by using geographical location of the nodes. We evaluate the proposed method and show its effectiveness.

Original languageEnglish
Pages (from-to)490-497
Number of pages8
JournalIEICE Transactions on Communications
VolumeE86-B
Issue number2
Publication statusPublished - 2003 Feb

Keywords

  • Binding
  • Geographical location
  • Handover
  • LEO satellite IP network
  • Mobility management

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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