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Analytical rate optimization for multicast
KTH, Skolan för elektro- och systemteknik (EES), Ljud- och bildbehandling (Stängd 130101).
KTH, Skolan för elektro- och systemteknik (EES), Ljud- och bildbehandling (Stängd 130101).
2008 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We consider the problem of multicast rate optimization for a given number of multicast groups. The efficient solution of this problem is particularly relevant for video multicast. Motivated by practical considerations, such as the need for adaptivity to changing network conditions, we develop an analytical solution that minimizes the expected distortion of a receiver. Unlike previous work, we recognize variability in existing networks and model the receiver reception capacities by a continuous stochastic variable. Our analytical solution is optimal under the assumption of a large number of multicast groups. We investigate the distortion overhead when this assumption is not satisfied and find that it is low. We compare our results to the state of the art, iterative optimization for a realization of receiver reception capacities, and find that our analytical solution performs better for any number of multicast groups. copyright by EURASIP.

sted, utgiver, år, opplag, sider
2008.
Serie
European Signal Processing Conference, ISSN 2219-5491
Emneord [en]
Adaptivity, Iterative Optimization, Multicast groups, Multicast rate, Multicasts, Network condition, Reception capacity, State of the art, Stochastic variable, Video multicast, Optimization, Signal processing, Multicasting
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-153310Scopus ID: 2-s2.0-84863770821OAI: oai:DiVA.org:kth-153310DiVA, id: diva2:756352
Konferanse
16th European Signal Processing Conference, EUSIPCO 2008, 25-29 August 2008, Lausanne, Switzerland
Merknad

QC 20141017

Tilgjengelig fra: 2014-10-17 Laget: 2014-10-03 Sist oppdatert: 2014-10-17bibliografisk kontrollert

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RefereraExporteraLink to record
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  • de-DE
  • en-GB
  • en-US
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Utmatningsformat
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