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Tutorials
Tutorial 1 – T1Half a day
Title: Introduction to smart cards
Speaker: Dr. Vincent Guyot, Associate Professor, ESIEA/LIP6, avincent.guyot@lip6.fr
The smart card has initially been created to secure exchanges between banks. It also secures the mobile telecommunication networks within each GSM terminal. Although the smart card technology has been extensively used for 30 years and is now standardized, only few people know what a smart card is and which benefits its usage could bring. This presentation will give an introduction to the world of smart cards. It will introduce the architecture of a smart card, present the recent APIs facilitating the usage of smart cards within software, and highlight the performance of new smart cards through examples. The objective of the session is to provide the presentation attendees with an in-depth understanding of smart cards and of what can be expected from their usage today.
Speaker Biography: Dr Vincent Guyot received his PhD in CS from the University of Paris 6 - Pierre & Marie Curie, France. He has been an assistant professor at the University of Paris 12 - Val de Marne, from 2001 to 2006. He is currently an associate professor at ESIEA, a French school of Electrical Engineering and Computer Science based in Paris, where he is involved with the launch of an international specialized master degree in Networks and Information Security. He collaborates closely with LIP6 (University of Paris 6 - Pierre & Marie Curie) and INFRES (ENST/Telecom Paris) research labs. Dr Guyot teaches programming, computer networks and security, and conducts research in the area of security and mobility in wired and wireless networks. He is the co-author of two books, and two additional books are in writing. He is member of IEEE and IEEE Communications Society.
Tutorial 2 – T2Half a day
Title: Optical Communications Networks and Devices
Professor Dr. Alok Kumar Das
Electronics & Communication Engineering Deptt.
Jadavpur University, Kolkata-700 032, India
Phone +91 33 2436 3733®, +91 33 2414 6010(O)
Email: alok_kumar_das@yahoo.com
Abstract: To study the characteristics of any network, handling skyrocketing amount of traffic on the internet, it is always required to understand the different types of network as well as the related components and devices for optimization of the network system with better efficiency. To accommodate this skyrocketing amount of traffic, optical network with wavelength division multiplexing (WDM) having several wavelengths per fiber as channels, is the most feasible solution. Transmission rate of a channel is currently 2.4, 10 or 40 Gbps. With the advent of WDM technology, IP (Internet Protocol) backbone carriers are now connecting core routers directly over point-to-point WDM links (IP over WDM). This layer structure with a help of GMPLS (Generalized Multi Protocol Level Switching) and OXC (Optical Cross Connect) with IP packets are directly mapped into wavelength channels. The signal without O-E-O (optical to electrical and electrical to optical) conversion reduces the deployment time and thus produces additional network robustness. It has the advantage of eliminating the intermediate layer such as ATM (Asynchronous Transfer Mode) and SONET/SDH (Synchronous Optical Network/ Synchronous Digital Hierarchy). In a larger networks having more number of nodes, more wavelengths are needed and to avoid the large number of wavelengths the wavelength-routed networks overcome these limitations through wavelength reuse, wavelength conversion, and optical switching. Now-a-day there is a need to develop efficient optical components and devices relevant to the different optical networks.
The objective of the tutorial is to provide the attendees first in understanding different basic topologies of the network and to show the better performance of the mesh one to obtain the maximum throughput and bandwidth of the network and also cost effective. The analysis for throughput and bandwidth maximization of some mesh networks like NSFNET (USA), JGN (Japan) and BSNL (India) will be discussed. The Markov model is used to solve the optimum condition of an efficient network system where the queue of the packets can be kept in a minimum. The different conditions of server idleness and packet queue in a network for different node numbers (N) are considered and the optimum condition depending on the arrival rate Pa and the retransmission rate P will be discussed. We shall discuss the router and routing techniques and different switches and their implementations. Other than the Opto-electronic switching system, the switching can be made directly for routing without converting the optical signal to electrical signal. The different implementation methods of the switches are mechanical, MEMS, Liquid Crystals, Bubble, waveguide type TO (Thermo-optic) and EO (Electro-optic) switches, etc. These optical switches are very efficient and depending on size, capacity, speed, and cost one technology may prove superior to another, at least for specific needs. The advantages and disadvantages of electrical, Opto-electronics and optical switches and in-depth understanding for their requirements considering the limitation of the bandwidth between the links in different network systems will be discussed. The other waveguide type devices like modulators, attenuators, add/drop filters, couplers, power dividers and combiners, TE and TM mode splitters etc., required for optical networks, will be discussed considering their low losses and compact sizes. Now-a-day polymeric optical waveguide devices have attracted great interest in the field of integrated optics as it offers many advantages compared with other available waveguide materials because of their potential for easy, low-temperature and low-cost processing, highly tunable material index with large Thermo-optic coefficient. It also offers EO property with large Electro-optic coefficient simply by mixing the dye in a polymer. It possesses high nonlinear optical property for high speed and wide-band signal processing. The demand for low priced polymeric optical fibers (POF) is increasing due to their many short distance applications (10Gbps transmission over 100 meters) including fibers in home. Lastly, we shall discuss the networking of 21st century. To fulfill this we are lucky for the invention of low loss optical fiber for the use of communication network and further it continues to drive photonics technology in developing the relevant components and flexible optical networking.
Speaker Biography: Professor Dr. Alok Kumar Das graduated in 1965 from Jadavpur University, Kolkata, India in Electronics and Telecommunication Engineering. He completed his Master and PhD degrees in Engineering from the same University in 1967 and 1972, respectively. He is a senior Professor in the Department. Dr. Das is a senior member of IEEE and is the winner of the prestigious IEEE 2000 Millennium award. His research interest is in the field of Optical fiber communication systems including integrated optics and optical networks. He has directed several sponsored projects in the area of optical fiber components, optical networks, and optical instruments. Dr. Das is directly involved in the development of optical wave-guiding devices like interconnects, modulators, switches, and attenuators. He was Visiting Professor in the City University of Hong Kong almost every year from 1999 to 2004 for the development of optical devices, to be required in optical network applications. Currently he is involved to develop both Thermo-optic and Electro-optic Polymeric materials for the fabrication of optical devices. Dr. Das has given several invited talks in US, Canada, Japan, Germany, China, S. Korea, and others and editor of several journals including IEEE. Dr. Das published about 140 papers in refereed journals and conference proceedings including IEEE, Applied Optics, Optics Lett. Electronics Lett.
Tutorial 3 – T3Half a day
Title: MAC FUNDAMENTALS OF SATELLITE-BASED MULTIFUNCTIONAL MOBILE AND WIRELESS GRID-LIKE COMMUNICATIONS 4G FOR EMERGING ECONOMIES AND REMOTE, RURAL, AND DIFFICULT-FOR-ACCESS TERRITORIES
Speaker: Professor Dr. Alexander Markhasin, Siberian State University of Telecommunications and Information Sciences Kirov Street, 86, Novosibirsk 630102, Russia, almar@rinet.su
Abstract: The future generation of the satellite based wireless & mobile communications 4G is particularly important for global and ubiquitous providing of the mobile broadband multi-services and m-Applications for geographically dispersed mass users in support of anytime, anywhere, and any required quality of service (QoS) capabilities in a low-cost way. The recent broadband satellite systems are based mainly on centralized low-meshed architecture. It predetermines very high traffics concentration. Such structure is not adequate in context of the traffic topology for rural, remote, and difficult-for-access (RRD) regions. Therefore the cost of these systems is unacceptably large for deployment of future mass broadband communications in RRD regions, which are characterized by poor terrestrial core infrastructures, just as they cover about 90% of the territory of land and include, in fact, all emerging economies. It was known, that the improvement of medium access control (MAC) protocols have a dominant effect on the ensuring the dynamical control of QoS, radically distributed architecture, and other breakthrough features of the mobile and wireless technologies 4G for RRD areas. This tutorial presents a novel concept of the space-based cost-effective networking technology of future communications 4G with radically distributed (grid-like), mesh, and scalable all-IP/ATM integrated satellite/mobile/wireless architecture for RRD areas and emerging economies. The proposed architecture based on advanced QoS-oriented multifunctional medium access control technology to long-delay space medium (MFMAC). The main breakthrough drivers for RRD oriented 4G communications include also push MFMAC-based next generations of wireless asynchronous transfer mode (ATM/MFMAC), multi-protocol label switching (MPLS/MFMAC), and also IP over digital video broadcasting (DVD-S/MFMAC) integrated networking technologies. The tutorial presents also these technologies. The MFMAC networking technology will allow an effective support and integration of Satellites and terrestrial cellular, personal, WLAN, WiFi, WiMax, and other wireless system of future generations 4G for such RRD territories, as BRIC (Brasilia, Russia, India, and China), Sea and Ocean’s Archipelago, North Canada, Alaska, Central and South-East Asia, South America, Africa, Australia, etc.
Speaker Biography: Alexander B. Markhasin received the degree in electrical & mechanic engineering and a Ph.D. from the Technical (Mining) University of St.- Petersburg, Russia in 1958 and 1966, respectively, and the D. Sc.(T) from Siberian Branch of Russian Academy of Sciences in 1990. His research interest includes multiple access and QoS dynamic control methods, mobile and wireless communications, long-delay wireless / radio / satellite /optical distributed grid-like architecture and next generations’ technology. From 1964 he develops multi-access theory. In 1969 he investigated and published the multi-access schemes named later widely as Aloha and CSMA, and he at the same time determined the positive effect of slotting of the packet transmission too. He was a leader of working out the first (1975-1980) packet radio network in Russia called INFRA. During last 20 years his research interests focus on the fully distributed multi-access control to long-delay medium, dynamic control of the bandwidth resources, traffic parameters and service quality (QoS), and also on radically distributed (grid-like) architecture for wireless, mobile and satellite communications 3G/4G.
Currently he is Professor, Head of Telecommunication Networks Departments of the Siberian State Telecommunications University, Member of the International Information Academy and Russian Academy of Engineering Sciences, IEEE Member.
Tutorial4 – T4 To be Provided