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DTSTART;TZID=America/New_York:20190528T110000
DTEND;TZID=America/New_York:20190528T120000
DTSTAMP:20260408T185806
CREATED:20190523T153941Z
LAST-MODIFIED:20190523T153941Z
UID:1651-1559041200-1559044800@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Caching and Coding in Networks: Rate Efficiency\, Age Efficiency"
DESCRIPTION:Caching is of primary importance in the Internet-of-Things (IoT) and in particular in information-centric network (ICN) architectures where the focal point is content rather than where it can be retrieved from. As a result\, in ICN networks one can replicate and store (or cache) content at various nodes throughout the network so that it can be accessed faster locally without burdening the server and the global network. Traditionally\, caching has been studied on the network layer and its role is to bring content close to the end users. However\, it is now known that the role of caching is beyond storing portions of data. \nIn this talk\, we undertake a holistic approach to cache-aided broadcast networks and show how smart cache design facilitates coding opportunities on the physical layer\, leading to scalable gains in rate and latency. We next address several practical aspects of caching networks by introducing the framework of “caching on the fly” where nodes can cache overheard packets. Identifying simple but efficient coding actions\, we devise policies that schedule coding actions (as opposed to traditional schemes that schedule different users). Within this framework\, we design schemes that are practical\, low complexity\, robust to dynamics of network statistics\, and efficient not only in traditional measures of rate and latency\, but also in new performance measures such as age of information.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-caching-and-coding-in-networks-rate-efficiency-age-efficiency/
LOCATION:Room 401B\, 3401 Walnut\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
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