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SUMMARY:Femtocells\, Interference Coordination and Belief Propagation 
DTSTART:20100624T101500
DTSTAMP:20260408T052255Z
UID:e231f4d87580490bb13a7b570dad3ab7333845cd15e49a5b4e20a6cf
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Sundeep Rangan\, Polytechnic Institute of New York Universi
 ty\nRecent years\, have witnessed an explosive demand for cellular wireles
 s data -- a trend that is not abating.  Cisco\, for example\, estimates th
 at wireless data may grow by as much as 38 fold by 2013.  Meeting this dem
 and in a cost effective manner presents a major challenge for cellular ope
 rators and wireless engineers.\n\nOne promising new technology for deployi
 ng radically cheaper networks is femtocells\, which are small (typically <
  1W) base stations installed in the customer's premises.  With their small
 er form factor\, self-configuration capabilities\, and ability to leverage
  the customer's backhaul\, femtocells can be deployed at a fraction of the
  cost of traditional macrocellular networks. \n\nThis talk will discuss a 
 number of the technical challenges concerning femtocells\, with a focus on
  problems of interference\ncoordination. Devices in mixed femto / macro de
 ployments often experience strong interference conditions not well-handled
  by traditional cellular power control.  We offer alternative interference
  coordination methods based on subband scheduling -- a new technique avail
 able in 4G cellular systems such as LTE.\n\nWe will also see that the math
 ematics of interference coordination can be seen as a type of distributed 
 optimization with linear mixing.  Time permitting\, I will discuss connect
 ions to graphical models and belief propagation and applications to other 
 problems including neural mapping and compressed sensing.\n Prof. Rangan's
  homepage
LOCATION:BC 01 https://plan.epfl.ch/?room==BC%2001
STATUS:CONFIRMED
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