New Inter-Layer Network Coding Approaches for MRC Video Delivery Over Mesh Networks
In this paper, the authors propose a novel framework for evaluating the performance of NC-based video delivery over multi-hop wireless networks. Based on an experimental testbed implementation of inter-layer video coding and delivery, they propose a new generalized technique for multi-hop interlayer NC in enhancing video delivery quality. They evaluate the tradeoff between complexity of multi-hop NC, and video quality gain. They provide clear recommendations for best design choices of NC-based inter-layer video coding and delivery over multi-hop wireless mesh network considering link conditions and Packet Delivery Ratio (PDR). The results show that using NC improves the layered video performance in single and multi-hop network. The average number of decoded layers when using NC in single hop outperforms that when using NC in multi-hop.