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Channel Aware Rebuffering for Wireless Media Streaming with Handoff Control
Stanford Univ, Stanford, CA 94305 USA.
Stanford Univ, Stanford, CA 94305 USA.
Stanford Univ, Stanford, CA 94305 USA.
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap.
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2013 (Engelska)Ingår i: 2013 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM), IEEE Press, 2013, s. 4434-4439Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Packet/frame 'rebuffering' in wireless video streaming typically considers only connectivity from the mobile terminal to its network access point (AP). However, in the presence of multiple APs with the possibility of handoffs, the overall wireless environment should be considered. We develop a model capturing joint rebuffering & handoff dynamics in wireless video streaming, and design a new channel-aware joint rebuffering & handoff control scheme, aiming to minimize the long-run average cost of video jitters and freezes. We first characterize the optimal control in the general case of multiple wireless APs/channels and multiple states per channel. Subsequently, we evaluate the system performance in key important cases, using experimental traces of wireless channel data. We explore the relationship between optimal rebuffering thresholds and overall channel dynamics, and evaluate the associated joint handoff control. The performance results demonstrate the importance of jointly managing rebuffering and handoff controls to achieve high-performance wireless video streaming.

Ort, förlag, år, upplaga, sidor
IEEE Press, 2013. s. 4434-4439
Serie
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
Nationell ämneskategori
Datavetenskap (datalogi)
Forskningsämne
Datavetenskap
Identifikatorer
URN: urn:nbn:se:kau:diva-38681ISI: 000357299604089ISBN: 978-1-4799-1353-4 (tryckt)OAI: oai:DiVA.org:kau-38681DiVA, id: diva2:873349
Konferens
IEEE Global Communications Conference (GLOBECOM), DEC 09-13, 2013, Atlanta, GA
Tillgänglig från: 2015-11-23 Skapad: 2015-11-23 Senast uppdaterad: 2018-01-10Bibliografiskt granskad

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Dely, PeterKassler, Andreas

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