Sorry for the short notice!! This talk is today!!!
>*** LANL Seminar Series >*** http://public.ds.lanl.gov/ccs1-seminar > >TITLE: >Self-Organizing Networks > >SPEAKER: >Prof. Ozan Tonguz, Carnegie Mellon University >http://www.ece.cmu.edu/~tonguz > >WHEN: >Wednesday, July 26th, 10:00-11:00am Mountain Standard Time > >WHERE: >Cosmic Voyage venue (off of the NCSA lobby) >http://agschedule.ncsa.uiuc.edu/meetingdetails.asp?MID=16566 All remote sites welcome, please arrive at least 30 minutes early to the venue for testing and VNC information. >ABSTRACT: Self-organizing networks have recently attracted a lot of >attention in >different disciplines including physics, electrical engineering, >computer science, mathematics, cybernetics, etc. The overarching >phenomenon in most of these different disciplines is the need and >desire to mimic what nature provides in living organisms naturally >(e.g., in the case of human beings, the immune system); i.e., the >ability of a system or network to re-organize (or self-organize) >itself, without outside intervention, after a part in the system is >destroyed or harmed, so that it can continue to perform most of its >previous functionalities in a non-disrupted and smooth manner. In this >talk, we discuss two such emerging application areas that hold great >promise. > >In the first part of the talk, we will consider wireless ad hoc and >sensor networks which use the self-organization paradigm for >networking without using the existing telecommunications >infrastructure. This new paradigm will allow communication between >hundreds (perhaps thousands) of nodes when the nodes can not use an >existing infrastructure, thus addressing the increasing demands of >mobility in contemporary and future society. In particular, we will >introduce a new approach for the design and deployment of wireless ad >hoc and sensor networks. This new bottom-up approach is essentially a >communication-theoretic approach and it is in stark contrast to other >approaches pursued in the open literature. We show that this >bottom-up approach (as opposed to the conventional top-down approach >typically pursued in computer networking) is a very promising new >approach that can give fundamental insights into the design and >deployment of future wireless ad hoc and sensor networks. > >In the second part of the talk, we consider a related problem; namely, >how to build self- organizing networks from current cellular >networks. It is well-known that that the centralized network >architecture of cellular networks does not allow self-organization. >To circumvent this problem, we propose to deploy cheap and simple >relay stations in cellular networks which can transform them into >self-organizing networks. In particular, we provide a topology >generation algorithm for converting a cellular network into a >self-organizing network and we investigate whether the small-world and >scale-free (also known as the power law) properties are also valid for >this application. > >SHORT BIO: >Ozan Tonguz is a full professor in Electrical & Computer Eng. Dept. at >Carnegie Mellon University (CMU). He is a Co-Director of the Center for >Wireless And Broadband Networking Research at CMU. He is the author of a >Wiley bestseller entitled "Ad Hoc Wireless Networks: A >Communication-Theoretic Perspective". He has published about 200 papers in >IEEE journals and conference proceedings. He is well-known for his >contributions in optical networks (optical transmission-access- >networking; especially, radio over fiber networks, coherent lightwave >transmission systems, and amplified direct-detection lightwave >transmission sytems) and wireless communications and networks (physical >layer communications, access, and networking). ============================================ Cindy Sievers Los Alamos National Laboratory siev...@lanl.gov Group CCS-1 MS B287 tel:505.665.6602 Advanced Computing fax:505.665.4939 Los Alamos, NM 87544 ============================================
