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SUMMARY:Shannon Revisited: New Separation Principles for Wireless Multimed
 ia
DTSTART:20100915T130000
DTSTAMP:20260511T050500Z
UID:8344a73d2e4c8f4564d0331f8cb3344e878f45aaf59f06fb9f3de963
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Mihaela van der Schaar\, UCLA\nDelay-sensitive communica
 tions (e.g. multimedia transmission) are booming over a variety of wireles
 s and wired networks. However\, the concepts and methods that have dominat
 ed multi-user communication and networking research in recent years are no
 t well suited for efficiently designing and implementing systems aimed at 
 supporting delay-sensitive applications. The problem is that this applicat
 ion class demands new theories\, methods and metrics as compared to classi
 cal information theory (which ignores delay requirements and complexity li
 mitations)\, queuing theory (which only considers stationary traffic and s
 ervice processes and does not optimally control the queues)\, stochastic c
 ontrol theory (which does not exploit the structure of specific interactio
 n scenarios to improve the devices’ ability to adapt online as well as t
 o reduce their complexity) and online learning theory (which often suffers
  from slow convergence rates.\nIn this talk\, I will present a new foundat
 ion for systematically designing and optimizing multi-user wireless networ
 ks and distributed systems aimed at supporting delay-critical applications
 . This foundation rests on three separation principles\, which enable devi
 ces to autonomously (i) minimize the delay experienced by the various dela
 y-critical applications sharing the network infrastructure\; (ii) learn to
  operate optimally in time-varying and a priori unknown environments by de
 ploying low-complexity online learning algorithms\; and (iii) coordinate w
 ith each other in an informationally-decentralized manner in order to opti
 mally utilize the available network resources and maximize the overall net
 work performance.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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