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Reliable Video Streaming With Strict Playout Deadline in Multihop Wireless Networks
KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0002-0150-2489
KTH, Skolan för elektro- och systemteknik (EES), Nätverk och systemteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
KTH, Skolan för elektro- och systemteknik (EES), Nätverk och systemteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0002-4876-0223
KTH, Skolan för elektro- och systemteknik (EES), Teknisk informationsvetenskap. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0002-7807-5681
2017 (engelsk)Inngår i: IEEE transactions on multimedia, ISSN 1520-9210, E-ISSN 1941-0077, Vol. 19, nr 10, s. 2238-2251Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Motivated by emerging vision-based intelligent services, we consider the problem of rate adaptation for high-quality and low-delay visual information delivery over wireless networks using scalable video coding. Rate adaptation in this setting is inherently challenging due to the interplay between the variability of the wireless channels, the queuing at the network nodes, and the frame-based decoding and playback of the video content at the receiver at very short time scales. To address the problem, we propose a low-complexity model-based rate adaptation algorithm for scalable video streaming systems, building on a novel performance model based on stochastic network calculus. We validate the analytic model using extensive simulations. We show that it allows fast near-optimal rate adaptation for fixed transmission paths, as well as cross-layer optimized routing and video rate adaptation in mesh networks, with less than 10% quality degradation compared to the best achievable performance.

sted, utgiver, år, opplag, sider
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2017. Vol. 19, nr 10, s. 2238-2251
Emneord [en]
Multihop fading channels, network calculus, performance analysis, scalable video coding, wireless multimedia
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Identifikatorer
URN: urn:nbn:se:kth:diva-215437DOI: 10.1109/TMM.2017.2742399ISI: 000411247600009Scopus ID: 2-s2.0-85028475488OAI: oai:DiVA.org:kth-215437DiVA, id: diva2:1150731
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QC 20171019

Tilgjengelig fra: 2017-10-19 Laget: 2017-10-19 Sist oppdatert: 2018-01-13bibliografisk kontrollert

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Al-Zubaidy, HusseinDán, GyörgyFlierl, Markus

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