jmelnik wrote: > me parece q falta algo? Mi�rcoles 1/7/2009, hora 18, laboratorio de software IIE.
Autor: Alejandro Ribeiro. Title: Optimal Design of Wireless Networks - Separation Principles Abstract: The design goal of communication networks is to transport information from a generating source to an intended destination. Of the many ways this can be accomplished, there are networks designed to maximize properly selected optimality criteria. This talk is concerned with basic principles governing the associated optimization problem for wireless communication networks in the presence of fading. While it is widely believed that the conventional protocol stack results in poorly performing wireless networks it will be shown that in the presence of fading separating the design of wireless networks in layers can be optimal. This result is a consequence of the fact that even though the associated optimization problem is generally non-convex the gap with its Lagrange dual problem is zero. Further consequences of this latter property pertaining to physical layer optimization will also be discussed.
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