Table Of ContentEMERGING PERSONAL WIRELESS
COMMUNICATIONS
IFIP - The International Federation for Information Processing
IFIP was founded in 1960 under the auspices of UNESCO, following the First World
Computer Congress held in Paris the previous year. An umbrella organization for societies
working in information processing, IFIP's aim is two-fold: to support information
processing within its member countries and to encourage technology transfer to developing
nations. As its mission statement clearly states,
IFIP's mission is to be the leading, truly international, apolitical organization which
encourages and assists in the development, exploitation and application of information
technology for the benefit of all people.
IFIP is a non-profitmaking organization, run almost solely by 2500 volunteers. It operates
through a number oftechnical committees, which organize events and publications. IFIP's
events range from an international congress to local seminars, but the most important are:
. The IFIP World Computer Congress, held every second year;
. open conference;
. working conferences.
The flagship event is the IFIP World Computer Congress, at which both invited and
contributed papers are presented. Contributed papers are rigorously refereed and the
rejection rate is high.
As with the Congress, participation in the open conferences is open to all and papers may
be invited or submitted. Again, submitted papers are stringently refereed.
The working conferences are structured differently. They are usually run by a working
group and attendance is small and by invitation only. Their purpose is to create an
atmosphere conducive to innovation and development. Refereeing is less rigorous and
papers are subjected to extensive group discussion.
Publications arising from IFIP events vary. The papers presented at the IFIP World
Computer Congress and at open conferences are published as conference proceedings, while
the results of the working conferences are often published as collections of selected and
edited papers.
Any national society whose primary activity is in information may apply to become a full
member of IFIP, although full membership is restricted to one society per country. Full
members are entitled to vote at the annual General Assembly, National societies preferring
a less committed involvement may apply for associate or corresponding membership.
Associate members enjoy the same benefits as full members, but without voting rights.
Corresponding members are not represented in IFIP bodies. Affiliated membership is open
to non-national societies, and individual and honorary membership schemes are also offered.
EMERGING
PERSONAL
WIRELESS
COMMUNICATlONS
lFlP TC6/WG6.8 Working Conference on
Personal Wireless Communications (PWC′2001),
August 8-10,2001, Lappeenranta,Finland
Edited by
Olli Martikainen
Jari Porras
Jenni Hyvärinen
Lappeenranta University of Technology
Finland
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Contents
Preface ix
Part 1 Performance and Modelling
Impact of the Timer-CU of the AAL2 Protocol on Traffic Performance
within the UTRAN 3
RANI MAKKÉ, SAMIR TOHMÉ, JEAN-YVES COCHENNEC AND
SOPHIE PAUTONNIER
CDMA and PRMA Analytical Models for Voice Users in Satellite–
UMTS Systems 23
ABBAS IBRAHIM AND SAMIR TOHME
Wireless Scheduling Approaches and Practical Implementation Issues 39
CHRISTOPH STEPPING
Performance Evaluation of Service Connectivity in Mobile
Augmented Reality 59
TUUKKA TURUNEN, TINO PYSSYSALO AND JUHA RÖNING
Reliable Multicast in Mobile Networks 75
PASI TIIHONEN AND PETRI HIIRSALMI
Effect of Delays on TCP Performance 87
ANDREI GURTOV
vi Contents
Part 2 Quality of Service
Priority-based Transmission in IEEE 802.11 Networks 109
TOMASZ JANCZAK AND JÓZEF WO NIAK
A Service Discipline for Support of IP QoS in IEEE802.11 Networks 121
ANTÓNIO GRILO, MÁRIO MACEDO AND MÁRIO NUNES
QoS/GOS Management Measurements in IP/ATM and Wireless
Environments 141
KARI HEIKKINEN, JANNE OKSANEN AND SAMI SEPPÄNEN
Part 3 Cellular Systems
Building Mobile Intranets Over The UMTS 151
CONSTANTINOS F. GRECAS, SOTIRIOS I. MANIATIS AND
IAKOVOS S. VENIERIS
Enhancing Packet Data Access in WCDMA 169
JANNE PEISA, STEFAN PARKVALL, ERIK DAHLMAN,
PÅL FRENGER AND PER BEMING
Part 4 Wireless Systems
4G Mobile Network Architecture 183
KALLE IKKELÄ, MARKO MYLLYNEN, JUHA HEINÄNEN
AND OLLI MARTIKAINEN
Wireless LANs and Regional Networking 197
JOUNI IKONEN AND JANNE OKSANEN
Spatial Reuse in Wireless LAN Networks 209
KHALDOUN AL AGHA AND LAURENT VIENNOT
Part 5 Voice over IP
Using SIP Extensions for Signalling in Stream Service System 223
RAMI LEHTONEN, JARMO HARJU, PETTERI HEINONEN,
JANI PELTOTALO AND SAMI PELTOTALO
Voice Over IP Implementation Using Session Initiation and
Media Gateway Control Protocols 235
OSSI KAURANEN AND JARI KELLOKOSKI
Contents vii
Part 6 Services
Future Scenarios on Bluetooth: Effects on Value Networks and
Business Models 245
LIISA-MAIJA SAINIO AND TAINA SIKIÖ
Developing a User Centric MultiSphere Model for Mobile Users
Using a Visual Cell Platform 263
SEAMUS HICKEY AND PETRI PULLI
Supporting Secure and Transparent Delegation in the CORBA Proxy
2
Platform π 271
ZOLTÁN NOCHTA, RAINER RUGGABER AND TAUFIQ ROCHAELI
Wireless Micro-payment System in Networks 285
JARI KARVONEN AND PETRI PULLI
Preface
The growth of telecommunications has been largely based on
mobile and data services in the past 10 years and the growth will
continue. For instance, it is forecasted that after 2005 the mobile
traffic turnover in Europe will exceed that of fixed telephone traffic
and the penetration of Internet access through mobile will exceed that
of fixed access. It is expected that the new value added services will
be Internet-based and the IP traffic will outweigh the amount of
traditional ISDN based telephone traffic. The transition from the
existing telecommunications services to mobile and Internet based
ones will change the service infrastructure as well as the customer and
service management structures.
In wireless communications there are several new standards being
developed and implemented to improve the data transmission rate
over radio channels, to combine both voice, packet data and
multimedia services in the terminals and to improve the service
quality and usability. Narrow band packet radio standards such as
General Packet Radio Service (GPRS) and i-Mode are already
operative and broadband IMT-2000 standards, also called as Third
Generation (3G) Mobile, have been developed in Japan, Europe and
US. At the same time Wireless LAN and Bluetooth technologies
mature and provide short-range data access to terminal devices. The
emerging new technologies create opportunities not only to incumbent
teleoperators but also to new network operators, IT companies and
new service and content providers.
x
The Personal Wireless Conference belongs to an IFIP workshop
and conference series arranged by IFIP TC-6 Working Group 6.8,
which co-ordinates the IFIP activities in the area of wireless
communications. The previous events were held at Prague, Tokyo,
Frankfurt, Copenhagen and Gdansk in the preceding years. The
th
PWC'2001 event in Lappeenranta is held in conjunction with the 10
Summer School on Telecommunications, the largest telecom event in
Finland.
The PWC'2001 conference is a forum for tutorials, discussions and
presentations of the new developments in mobile and wireless
research. The conference was planned to have one day for tutorials
and two days for presentations. The proceedings, Emerging Personal
Wireless Communications, contains 20 contributions accepted to
publication from the 26 submitted.
I express my sincere thanks to the Program Committee members,
the Chairman Jan Slavik and all the reviewers for accomplishing the
difficult and delicate task of selecting high quality papers.
Furthermore, I wish to thank all the authors who submitted papers to
the conference and contributed to the success of the event. Finally, I
also would like to thank the Organizing Committee, its Chairman Jari
Porras and all the collaborators and sponsors in establishing the
conditions that have allowed the realization of the PWC ′2001
conference.
Olli Martikainen
xi
Program Committee (FIP TC 6.8):
Jan Slavik (chair), Tadao Saito, Takeshi Hattori, Otto Spaniol,
Willy Baek Iversen, Veikko Hara, Gerald Maguire, Samir Tohme,
Sathish Chandran, Guy Pujolle, Olli Martikainen, Guy Omidyar,
Debashis Saha, Franco Davoli, Ousmane Kone, Adam Wolisz, Josef
Wozniak.
Organizing Committee:
Jari Porras (chair), Jenni Hyvärinen, Jyrki Härkki, Päivi Kangas,
Pasi Kemppainen, Juhani Lehtola, Olli Martikainen, Valeri Naoumov,
Jarmo Partanen, Heli Pohjonen.
