MPEG Video Streaming Solution for Multihomed-Terminals in Heterogeneous Wireless Networks

Most multipath video transmission schemes focus on minimizing video packets delivery time but do not consider protecting the video packets from loss. Packet loss can have undesirable effects on the video quality. This is especially true for frame-based video streams, such as Motion Pictures Group (MPEG) video, where the loss of a video frame can result in the loss of all the frames that depend on it for decoding. This propagation of loss to dependent frames can cause considerable video distortion, which, in turn, can lead to poor video presentation. This paper proposes a multipath MPEG video streaming solution that can prevent the loss of video frames while ensuring that the frames can be delivered to meet their playback deadlines. We show through trace-driven simulation that the proposed solution can achieve better results in terms of peak signal-to-noise ratio (PSNR), structural similarity index (SSIM) and visual quality.