Open AccessVideo Transmission over MIMO-OFDM System: MDC and Space-Time Coding-Based Approaches
Author(s) -
Haifeng Zheng,
Congchong Ru,
Chang Wen Chen,
Lun Yu
Publication year - 2007
Publication title -
advances in multimedia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.278
H-Index - 17
eISSN - 1687-5699
pISSN - 1687-5680
DOI - 10.1155/2007/61491
Subject(s) - computer science , bitstream , space–time block code , mimo , orthogonal frequency division multiplexing , mimo ofdm , coding (social sciences) , scalable video coding , real time computing , space–time code , multiple description coding , transmission (telecommunications) , electronic engineering , decoding methods , algorithm , computer network , channel (broadcasting) , telecommunications , motion compensation , mathematics , engineering , statistics
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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