- Research Article
- Open Access
Source-Adaptation-Based Wireless Video Transport: A Cross-Layer Approach
EURASIP Journal on Advances in Signal Processing volume 2006, Article number: 028919 (2006)
Real-time packet video transmission over wireless networks is expected to experience bursty packet losses that can cause substantial degradation to the transmitted video quality. In wireless networks, channel state information is hard to obtain in a reliable and timely manner due to the rapid change of wireless environments. However, the source motion information is always available and can be obtained easily and accurately from video sequences. Therefore, in this paper, we propose a novel cross-layer framework that exploits only the motion information inherent in video sequences and efficiently combines a packetization scheme, a cross-layer forward error correction (FEC)-based unequal error protection (UEP) scheme, an intracoding rate selection scheme as well as a novel intraframe interleaving scheme. Our objective and subjective results demonstrate that the proposed approach is very effective in dealing with the bursty packet losses occurring on wireless networks without incurring any additional implementation complexity or delay. Thus, the simplicity of our proposed system has important implications for the implementation of a practical real-time video transmission system.
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Qu, Q., Pei, Y., Modestino, J.W. et al. Source-Adaptation-Based Wireless Video Transport: A Cross-Layer Approach. EURASIP J. Adv. Signal Process. 2006, 028919 (2006). https://doi.org/10.1155/ASP/2006/28919
- Wireless Network
- Video Sequence
- Channel State Information
- Forward Error Correction
- Motion Information