Video Transmission over MIMO-OFDM System: MDC and Space-Time Coding-Based Approaches

Zheng, Haifeng; Ru, Congchong; Chen, Chang Wen; Yu, Lun

doi:https://doi.org/10.1155/2007/61491

Advances in Multimedia

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Research Article | Open Access

Volume 2007 | Article ID 061491 | https://doi.org/10.1155/2007/61491

Video Transmission over MIMO-OFDM System: MDC and Space-Time Coding-Based Approaches

Haifeng Zheng,¹Congchong Ru,²Chang Wen Chen,³and Lun Yu¹

Academic Editor: Jianfei Cai

Received16 Nov 2006

Accepted21 Dec 2006

Published13 Mar 2007

Abstract

MIMO-OFDM is a promising technique for the broadband wireless communication system. In this paper, we propose a novel scheme that integrates multiple-description coding (MDC), error-resilient video coding, and unequal error protection strategy with hybrid space-time coding structure for robust video transmission over MIMO-OFDM system. The proposed MDC coder generates multiple bitstreams of equal importance which are very suitable for multiple-antennas system. Furthermore, according to the contribution to the reconstructed video quality, we apply unequal error protection strategy using BLAST and STBC space-time codes for each video bitstream. Experimental results have demonstrated that the proposed scheme can be an excellent alternative to achieve desired tradeoff between the reconstructed video quality and the transmission efficiency.

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Copyright

Copyright © 2007 Haifeng Zheng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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