Video Streaming with Network Coding and Opportunistic Relay in Wireless Mesh Networks

Video streaming over wireless networks is becoming increasingly important. In this paper, we study the problem of multiple real-time video surveillance streaming over time-varying, error-prone wireless mesh networks (WMNs). The video streams are transmitted on the Internet through Internet Gateway (IGW). For better transmission, we propose a video streaming design by multiple flows gathering with opportunistic relay (OR) and network coding (NC): FORNEC. With meticulous design, FORNEC avoids multiple video streams aggregating around the most congested region of IGW. Further, with NC and OR, FORNEC provides robust packets forwarding with minimum loss rate to overall video streams.