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UID:101@lincs.fr
DTSTART;TZID=Europe/Paris:20150401T140000
DTEND;TZID=Europe/Paris:20150401T150000
DTSTAMP:20170313T171047Z
URL:https://www.lincs.fr/events/optimal-geographic-caching-in-cellular-net
 works-2/
SUMMARY:Optimal Geographic Caching in Cellular Networks
DESCRIPTION:We consider the problem of an optimal geographic placement of
 content in wireless cellular networks modelled by Poisson point processes.
 Specifically\, for the typical user requesting some particular content and
 whose popularity follows a given law (e.g. Zipf)\, we calculate the
 probability of finding the content cached in one of the base stations.
 Wireless coverage follows the usual signal-to-interference-and noise ratio
 (SINR) model\, or some variants of it. We formulate and solve the problem
 of an optimal randomized content placement policy\, to maximize the user's
 hit probability. The result dictates that it is not always optimal to
 follow the standard policy "cache the most popular content\, everywhere".
 In fact\, our numerical results regarding three different coverage
 scenarios\, show that the optimal policy significantly increases the
 chances of hit under high-coverage regime\, i.e.\, when the probabilities
 of coverage by more than just one station are high enough.
CATEGORIES:Seminars,Youtube
LOCATION:LINCS Meeting Room 40\, 23\, avenue d'Italie\, Paris\, 75013\,
 France
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TZID:Europe/Paris
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DTSTART:20150329T030000
TZOFFSETFROM:+0100
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