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CLC number: TN919.8

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Received: 2005-12-10

Revision Accepted: 2006-02-20

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.5 P.910~918


An adaptive FEC to protect RoHC and UDP-Lite H.264 video critical data

Author(s):  Chen Zhi-kui

Affiliation(s):  Networks and System Communications, Regional Computer Center, University of Stuttgart, Stuttgart 70550, Germany

Corresponding email(s):   zchen@rus.uni-stuttgart.de

Key Words:  Adaptive Forward Error Correction (AFEC), H.264, RoHC, UDP-Lite, UMTS, Bluetooth, Critical data, Erroneous SDU

Chen Zhi-kui. An adaptive FEC to protect RoHC and UDP-Lite H.264 video critical data[J]. Journal of Zhejiang University Science A, 2006, 7(5): 910~918.

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This paper describes how to use an adaptive Forward Error Correction (AFEC) algorithm to efficiently protect the critical data areas of compressed headers and UDP-Lite packets for data transport in a radio link layer of a wireless connection. Augmented with roHC and UDP-Lite, for h.264 video transmissions over wireless channels in a heterogeneous wired-wireless environment, the erroneous packet payloads can be useful and better able to cope with lost packets (native UDP case), by adopting some of the erasure and error resilient modes in h.264. The context transfer during inter/intra handover is also discussed. Simulations demonstrated that the proposed scenario significantly improves the PSNR performance and video quality.

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[1] Bluetooth Core Specification 1.2, 2003.

[2] Bormann, C., Burmeister, C., Degermark, M., et al., 2001. Robust Header Compression RoHC. IETF, RFC 3095.

[3] Chen, Z., Christ, P., 2005a. Improving the Radio Link Layer QoS Performance for Bluetooth Real-time Video Communications. WTS2005, USA.

[4] Chen, Z., Christ, P., 2005b. Improving Cross-layer QoS Performance in 4G Mobile Communications. GMC2005. China.

[5] Chen, Z., Tang, Y., Christ, P., 2006. H.264 Based Video Transmission in Cross-layer Enable 4G Wireless Communication Systems. WWC2006, USA.

[6] Daidalos Deliverable: D231, 2005. Deliverable on Simulations and Results. http://www.ist-daidalos.org.

[7] European IST Project: Daidalos, 2003~2009. Designing Advanced Interfaces for the Delivery and Administration of Location Independent Optimized Personal Services. (FP6-2002-IST-1-506997). Available at http://www.ist-daidalos.org.

[8] Kempf, J., 2002. Problem Description: Reasons for Performing Context Transfers between Nodes in an IP Access Network. IETF, RFC 3374.

[9] Larzon, L.A., Degermark, M., 2004. The Lightweight User Datagram Protocol (UDP-Lite). IETF, RFC 3828.

[10] Loughney, J., 2005. Context Transfer Protocol (CXTP). IETF, RFC 4067.

[11] Rosenberg, J., Schulzrinne, H., 2002. An Offer/Answer Model with the Session Description Protocol (SDP). IETF, RFC 3264.

[12] Rosenberg, J., Schulzrinne, H., Camarillo, G., et al., 2002. SIP: Session Initiation Protocol. IETF, RFC 3261.

[13] Wiegand, T., 2003. Final Committee Draft: Editor’s Proposed Revisions. Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG, JVT-F100.

[14] 3GPP TS 25.323, 2003. Packet Data Convergence Protocol (PDCP) specification, (v6).

[15] 3GPP TS 23.107, 2005. Quality of Service (QoS) concept and architecture, (v6).

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