NDLI: Distributed rate allocation for video streaming over wireless networks with heterogeneous link speeds

Content Provider	ACM Digital Library
Author	Girod, Bernd Zhu, Xiaoqing
Abstract	When multiple video streaming sessions are simultaneously transported over a shared wireless network, careful rate allocation is needed for efficient utilization of the network resources, while avoiding network congestion. The problem becomes more challenging when the network comprises links with heterogeneous transmission speeds, and when eachvideo stream has a different utility of its allocated rate. We propose a distributed scheme for congestion-distortion optimized rate allocation among multiple video streams sharing a network. Simulation results are presented for streaming multiple high-definition (HD) video sequences over both single-hop and multi-hop 802.11a networks with heterogeneous link speeds. In comparison with TCP-Friendly Rate Control (TFRC), the proposed cross-layer allocation scheme benefits from being both media-aware and network-aware, and achieves higher average video quality among all streams without incurring excessive network congestion.
Starting Page	296
Ending Page	301
Page Count	6
File Format	PDF
ISBN	9781595936950
DOI	10.1145/1280940.1281004
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-08-12
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Video streaming Wireless networks Distributed rate allocation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Distributed rate allocation for video streaming over wireless networks with heterogeneous link speeds