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Stochastic Tools used to Improve and/or to evaluate  MAC layer in Wireless networks
时间:2018-10-24 09:05    点击:   所属单位:通信工程学院
讲座名称 Stochastic Tools used to Improve and/or to evaluate  MAC layer in Wireless networks
讲座时间 2018-10-29 14:30:00
讲座地点 北校区新科技楼 1012会议室
讲座人 Prof. Jalel Ben Othman
讲座人介绍 Jalel Ben-Othman received his B.Sc. and M.Sc. degrees both in Computer Science from the University of Pierre et Marie Curie, (Paris 6) France in 1992, and 1994 respectively. He received his PhD degree from the University of Versailles, France, in 1998. He was an Assistant Professor at the University of Orsay (Paris 11) and University of Pierre et Marie Curie (Paris 6), in 1998 and 1999 respectively. He was an Associate Professor at the University of Versailles from 2000 to 2011. He is now full professor at University of Paris. Dr. Ben-Othman’s research interests are in the area of wireless ad hoc and sensor networks, Broadband Wireless Networks, multi-services bandwidth management in WLAN (IEEE 802.11), WMAN (IEEE 802.16), WWAN (LTE), security in wireless networks in general and wireless sensor and ad hoc networks in particular. His work appears in highly respected international journals and conferences, including, IEEE ICC, Globecom, LCN, VTC, PIMRC, etc. He has supervised and co-supervised several graduate students in these areas.
讲座内容 Wireless and mobile networks have many advantages as easy deployment, user mobility and provides network access to users regardless to their locations. The most critical issues that arise in those networks are on the resource allocations as the bandwidth is limited, the propagation (multi-path, fading, distortion) and security since communications are transmitted over radio waves.  In this seminar I will present several works  done to model/Improve Quality of Service in Wireless networks.  Three different methods will be presented in this lecture.  In the first part a new model based on Markov chains is presented to model the different service classes  defined in IEEE 802.16. The second part I will present a new AC that we have defined for IEEE 802.16 and  we have evaluated using Stochastic Automata Networks. Finally I will present a stochastic model  that for admission control in wireless networks using IEEE 802.11 standard.
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