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BACTAC - Neufeld

ECOT 831

Job Search, the Interview Process and a Successful Job Talk
Michael J. Neufeld
Department of Computer Science
Michael Neufeld photo

Omnidirectional antennas in conjunction with 802.11 wireless networks afford relatively poor scalability in typical community networking scenarios. Even with relatively few stations in a given area, available bandwidth per client quickly drops to that of analog modems over telephone lines. One approach for improving scalability and performance in these networks is to use electronically steerable directional antennas. However, these antennas introduce an entirely new set of problems associated with their use, in particular the introduction of a large number of hidden and exposed terminals arising from the use of narrow transmission profiles. These problems have generally been attacked by directly modifying the 802.11 MAC layer, typically in a way that breaks backward compatibility with existing hardware.

In this work I propose and evaluate techniques for addressing the problems which occur when using directional antennas while still maintaining interoperability with existing equipment. A subset of these techniques may even be utilized without modifying the 802.11 MAC protocol, permitting the use of a wide variety of inexpensive off-the-shelf equipment. These techniques may be used to reduce the number of hidden terminals, reduce the negative effects caused by hidden terminals, and diminish the impact of exposed terminals when utilizing electronically steerable phase array antennas in conjunction with 802.11 radio equipment.

Come see what a successful job talk is like. Michael Neufeld received his PhD in December and will be working for BBN Technologies, Inc. of Boston starting this summer. Mike's open to questions about the job search and interview process, also.

BACTAC, the Beverage And Chips Tuesday Afternoon Colloquium, is a weekly forum run by graduate students. The goal is provide an informal setting in which anyone can (basically) present anything. In the past, we have had practice talks for conferences and job interviews, research reports, juggle lessons (!), student representative reports, internship discussions, an introduction to ergonomics, and "pay attention to this when you are going to look for job" discussions.

BACTAC is meant to be an informal and social event to promote the interaction among graduate students. BACTAC is typically held every Tuesday, at 3:30pm, in room ECOT 831. Free munchies and drinks are provided.

Please email Caleb Phillips for more information or if you want to be a speaker.

See also:
Department of Computer Science
College of Engineering and Applied Science
University of Colorado Boulder
Boulder, CO 80309-0430 USA
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