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A Quality of Service Support Module (QASM) for a Wireless Multi-Segment Integrated 3G Network

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Abstract

Deployment of IP multimedia services with guaranteed Quality of Service (QoS) is a primary requirement for Beyond 3G (B3G) systems. In this paper we propose a new architecture to support Internet QoS-sensitive services (e.g., video-conferencing, voice over IP, interactive gaming), thus providing users with end-to-end QoS guarantees. In particular, the paper discloses a new hybrid Intserv/Diffserv scheme for handling IP packets and an interworking procedure with the RSVP protocol which allows to support QoS over an integrated, multi-segment network. Such scheme is implemented by means of a suitable Quality of service Support Module (QASM). Advantages and drawbacks of QASM are discussed and the impact on both system architecture and Multi-Mode Mobile Terminal is investigated. Performance evaluations, carried out via computer simulations, confirm the effectiveness of the proposed solution.

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Abbreviations

AN:

Access Network

BE:

Best Effort

CAC:

Connection Admission Control

CCM:

Congestion Control Module

CLS:

Controlled Load Service

DIFFSERV:

Differentiated Services

DLB:

Dual Leaky Bucket

E2E:

End to End

EDF:

Earliest Deadline First

ESW:

Euro Sky Way

FES:

Fixed Earth Station

GPRS:

General Packet Radio Service

GMBS:

Global Mobile Broadband System

GGSN:

Gateway GPRS Support Node

GS:

Guaranteed Services

INTSERV:

Integrated Services

IP:

Internet Protocol

MT:

Mobile Terminal

PDP:

Packet Data Protocol

QASM:

Quality of Service Support Module

QoS:

Quality of Service

QSD:

QASM Signalling Datagram

RSVP:

Resource Reservation Protocol

SCTP:

Stream Control Protocol

SIP:

Session Initiation Protocol

TCP:

Transport Control Protocol

TE:

Terminal Equipment

T-IWU:

Terminal InterWorking Unit

VHE:

Virtual Home Environment

WLAN:

Wireless Local Area Network

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Authors and Affiliations

  1. Centre Tecnólogic de Telecomunicacions de Catalunya (CTTC), Av. Canal Olimpia s/n, Castelldefels, 08860, Spain

    Paolo Dini

  2. Dipartimento di Informatica e Sistemistica (DIS), Università di Roma “La Sapienza”, Via Eudossiana 18, Rome, 00184, Italia

    Francesco Delli Priscoli

Authors
  1. Paolo Dini
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  2. Francesco Delli Priscoli
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Correspondence to Paolo Dini.

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Dini, P., Delli Priscoli, F. A Quality of Service Support Module (QASM) for a Wireless Multi-Segment Integrated 3G Network. Wireless Pers Commun 43, 1781–1800 (2007). https://doi.org/10.1007/s11277-007-9346-4

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