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学术报告:Telecommunications networks - from modeling to optimization

报告人:Moshe ZukermanChair Professor, City University of Hong Kong

Eric W. M. Wong, Associate Professor, City University of Hong Kong

报告时间:2017417(周一)上午1000

报告地点:博习楼327会议室

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报告摘要:

Telecommunications network models have been developed and studied for over a century. They have been applied to planning and design of a wide range of telecommunication systems and networks. The general aim has been to minimize cost subject to meeting quality of service and reliability requirements. This talk will address three distinct networking research topics. The first is how to design a multilayer network model that considers many practical aspects, including: realistically sized networks, layered architecture, and stochastic traffic composed of heavy tailed flows. We aim to provide validated solutions for optimal traffic engineering, network design and evolution prediction. The second is on how to optimize a topology of cabled networks considering path planning of optical fiber cables and trading off cost savings and network resilience. This research was motivated by the 2006 Hengchun earthquake near the south coast of Taiwan that caused disruption to Internet services in many Asian countries. This disruption was caused as a result of damage to several undersea cables located close to each other in an earthquake prone area. The aim is to optimize the laying path of cables considering a range of factors including: cost, risk, geography, and ecology. Since there are multiple stakeholders with different objectives, a multi-objective optimization is used. The third is on design and dimensioning of mobile networks with special focus on reduction of energy consumption. This is a collaborative work with SmarTone Mobile Communications Ltd, a leading mobile network operator in Hong Kong. The project’s aim is to develop software tools that will provide mobile network operators with means to optimize their network design in the way that reduces network operational cost, saves energy consumption and, in turn, lowers cost to customers. This project will gain useful insights for developing the future energy-efficient 5G mobile network.

报告人简介:

Moshe Zukerman is a Chair Professor of Information Engineering in the Electronic Engineering Department of City University of Hong Kong. His research focuses on performance evaluation, resource allocation and survivable design of telecommunications networks and systems. He received B.Sc. and M.Sc. degrees from the Technion, Israel and a Ph.D. degree from UCLA in 1985. During 1986-1997 he was with Telstra Research Laboratories and during 1997-2008 with The University of Melbourne. He has served on editorial boards of various journals and on technical and organizing committees of numerous conferences. He has over 350 publications in scientific journals and conference proceedings. He is a Fellow of the IEEE.

Eric W. M. Wong is an Associate Professor in the Electronic Engineering Department of City University of Hong Kong. He received the B.Sc. and M.Phil. degrees in Electronic Engineering from the Chinese University of Hong Kong, Hong Kong in 1988 and 1990, respectively, and the Ph.D. degree in Electrical and Computer Engineering from the University of Massachusetts, Amherst, MA, USA in 1994. His research interests include analysis and design of telecommunications and computer networks, energy-efficient data center design, green cellular networks and optical switching. Currently, he is working on a research project, entitled “Working Software Tools for Dynamic Base Station Sleeping for Green Cellular Networks”, supported by Hong Kong Innovation and Technology Funding.

 

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