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Network-controlled mobility within radio access networks based onWLAN technologies

Une gestion de la mobilité contrôlée par le réseau daans des réseaux d’Accès ip basés sur la technologie rlan

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Abstract

This article presents a network-controlled approach of user terminal mobility within anIP based WirelessLAN Access Network.

In a first part, this article makes a review of the mobility support, on the subject of emergingWLAN technologies asHIPERLAN/2 andIEEE 802.11, on the one hand, and, regardingIP networks as currently studied withinIETF, on the other hand. Both types ofIP mobility protocols are presented, either global mobility protocols such as MobileIP, or local mobility management protocols (micro mobility).

In the next part, the overall principles of our mobility management approach are explained; this approach is based on the implementation of a new network entity dedicated to the control of user terminal mobility.

The last part details a practical implementation of this approach. The implementation is carried out on the basis of Hierarchical MobileIPv6 (HMIPv6). The experimental results confirm the importance to carefully plan and control the user terminal mobility within largeIP based Access Networks, as this brings benefit to the user as well as to the operator.

Résumé

Cet article présente une approche de gestion, contrôlée par le réseau, de la mobilité des terminaux dans un réseau d’accèsIP construit à partir de réseaux locaux radio haut-débit (RLAN). Avant d’aborder les principes et les intérêts de cette approche, cet article dresse un rapide état de l’art du support de la mobilité, d’une part, dans lesRLAN émergents de typeIEEE 802.11 etHIPERLAN 2, et d’autre part, dans les réseauxIP en général, tel que cela est suggéré par les actuelles propositions à l’IETF de protocoles de mobilitéIP. Les protocolesIP gérant la mobilité globale, tel que MobileIP, aussi bien que la mobilité locale (micro-mobilité), sont alors étudiés. Ensuite, les grandes lignes de notre approche de gestion de mobilité, basée sur la mise en œuvre dans le réseau d’une entité capable de contrôler la mobilité des terminaux, sont expliquées. Le papier termine en détaillant une implémentation de cette approche, réalisée dans les laboratoires de France Télécom et basée sur le protocoleHMIPv6 (Hierarchical MobileIPv6). Les résultats expérimentaux obtenus confirment l’intérêt, aussi bien pour l’opérateur que pour l’utilisateur, de planifier et de contrôler par le réseau le déplacement des terminaux dans un réseau d’accèsIP de grande envergure.

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Abbreviations

AP:

Access Point

APC:

Access Point Controller

APT:

Access Point Transmitter

AR:

Access Router

ARP:

Address Resolution Protocol

CCOA:

Co-located Care-of Address

COA:

Care-of Address

DHCP:

Dynamic Host Configuration Protocol

EIRP:

Effective Isotropic Radiated Power

FA:

Foreign Agent

HA:

Home Agent

LCOA:

Local Care of Address

MAP:

Mobility Anchor Point

MT:

Mobile Terminal

NC-HMIPV6:

Network-Controlled Hierarchical MobileIPV6

RA:

Router Advertisement

SSID:

Service Set Identifier

WAN:

Wide Area Network

WLAN:

Wireless Local Access Network

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Author information

Correspondence to Karine Guillouard.

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Cite this article

Guillouard, K., Bertin, P., Khouaja, Y. et al. Network-controlled mobility within radio access networks based onWLAN technologies. Ann. Télécommun. 58, 369–396 (2003). https://doi.org/10.1007/BF03001021

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Key words

  • WirelessLAN
  • High speed data network
  • IP
  • Mobile radiocommunication
  • Radiocommunication handover
  • Test facility
  • Experimental result
  • Numerical simulation

Mots clés

  • Réseau local entreprise sans fil
  • Réseau donnée grande vitesse
  • Réseau accès
  • Protocole Internet
  • Radiocommunication service mobile
  • Transfert radiocommunication
  • Installation essai
  • Résultat expérimental
  • Simulation numérique