A cross-layer framework for video-on-demand service in multi-hop WiMax mesh networks
Computer Communications
Load-oriented and interference-aware channel assignment for multicasting in wireless mesh networks
Mobility '08 Proceedings of the International Conference on Mobile Technology, Applications, and Systems
A zero-overhead error-correcting nVoD schema
Multimedia Tools and Applications
Efficient Support of Streaming Videos through Patching Proxies in the Cloud
International Journal of Grid and High Performance Computing
Efficient Support of Streaming Videos through Patching Proxies in the Cloud
International Journal of Grid and High Performance Computing
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In this work, we discuss how to support Video-on- Demand service in multi-hop WiMax mesh networks. We are interested in the scenario that end users connect to the video servers through the base station of the multi-hop WiMax networks. We propose a model that can jointly solve the admission control and channel scheduling problems. Our proposed approach guarantees the required data rate is achieved for video streams, which is crucial for multimedia streaming applications. An efficient multicast routing technique is also proposed to minimize the bandwidth cost of joining a multicast tree. Furthermore, we adopt the application layer Patching technique to accommodate end users that join a video multicast group at different times. Overall, our solution efficiently utilizes the bandwidth resource of the networks and provides data rate guarantee for video streams. Simulation study shows that with the proposed approach, true Video-on-Demand in WiMax mesh networks can be achieved under high video request arrival rate.