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The IP Multimedia Subsystem for enabling Next Generation Network services

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Per teresa.san.jose Darrera modificació 28-11-2008 12:08

Speaker: Andrey Krendzel, Ph.D. Affiliation: CTTC, IP Technologies Area

Què Seminari
Quan 03-12-2008
de 10:00 a 10:45
On CTTC Room Auditorium
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ABSTRACT: A Next Generation Network (NGN) is an advanced, packet-based network that uses QoS-enabled transport technologies, multiple broadband to provide all kind of telecommunication services (known or not yet known). With the advent of NGN, services that are delivered currently by multiple specific-oriented networks are migrated towards a single and converged network in which service-related functions are independent from underlying transport technologies. NGN is oriented to provide services to users from different service providers through AAA (Anytime, Anywhere and Always on) access. The NGN concept supports generalized mobility to support the service by consistent and ubiquitous manner. To deliver all the desired benefits of NGN, convergence of fixed and mobile network is needed, which enables Operators to efficiently delivery NGN services and realize essential savings through the implementation of common service machinery for diverse network technologies (3G/4G, WLAN, WiMAX, DSL, etc.). There is a general consensus emerging in the industry that the long-term fixed and mobile convergence will be based on IP Multimedia Subsystem (IMS). IMS is considered as the engine within unified core network to delivery NGN services over diverse underlying network types. However, enabling such kind of services over heterogeneous networks is a non-trivial task that takes into account many different aspects since IMS was originally developed for service providers of mobile networks and it is needed to revise a lot of what IMS has already done. In this weekly seminar, some generic aspects concerning IMS/NGN functional architecture are highlighted on a basis of documents of 3GPP, ITU, TISPAN and other standard development organizations, and some IMS/NGN problems that are settling within the WIMSAT and mIO! projects are considered.

SPEAKER: Andrey Krendzel received the PhD degree in Telecommunications in 2005 from Tampere University of Technology (TUT), Finland and the Russian PhD (Cand.Sc.) degree in 2001 from St.-Petersburg University of Telecommunications (SUT). Andrey Krendzel was employed by TUT, Institute of Communications Engineering as a researcher and a senior researcher from 2002 to 2006. He participated in the European projects ICEFIN, COST 290, E-NEXT and had teaching responsibilities for teletraffic theory course. From 1995 to 2001 he worked as a member of scientific staff in St. Petersburg Research and Development Institute of Telecommunications (LONIIS) where he was involved in national and international projects concerning deployment and modernization of telecommunication networks. Since May 2006 he is a research associate in the IP Technologies area of the Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Barcelona, Spain. He is currently involved in WIP, WIMSAT, mIO!, DYNAMO projects.

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