| Paper: | MMSP-P1.7 | ||
| Session: | Multimedia Communications, Applications and 3D Processing | ||
| Time: | Tuesday, May 16, 16:30 - 18:30 | ||
| Presentation: | Poster | ||
| Topic: | Multimedia Signal Processing: Multimedia communications and networking | ||
| Title: | Cross-layer Video Streaming Over 802.11e-Enabled Wireless Mesh Networks | ||
| Authors: | Nicholas Mastronarde, University of California, Davis, United States; Yiannis Andreopoulos, Mihaela van der Schaar, University of California, Los Angeles, United States; Dilip Krishnaswamy, John Vicente, Intel, United States | ||
| Abstract: | We propose an integrated cross-layer optimization algorithm for maximizing the decoded video quality of delay-constrained streaming in a quality-of-service (QoS) enabled multi-hop wireless mesh network. The key to our algorithm is the synergistic optimization of control parameters at each node of the multi-hop network, across the protocol layers - application, network, medium access control (MAC) and physical (PHY) layers, as well as end-to-end, i.e. across the various network nodes. To drive this optimization, we assume an overlay network infrastructure, which conveys information on the conditions of each link. Quantitative results are presented that demonstrate the merits and the need for cross-layer optimization in an efficient solution for real-time video transmission using existing protocols and infrastructures. | ||
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