Motion-compensated scalable video transmission over MIMO wireless channels under imperfect channel estimation

Authors:
Hobin Kim;Sun Yong Kim;Pamela C. Cosman;Laurence B. Milstein
Affiliations:
ECE Dept., University of California at San Diego, La Jolla, CA;Dept. of Electronic Engineering, Konkuk University, Seoul, Korea;ECE Dept., University of California at San Diego, La Jolla, CA;ECE Dept., University of California at San Diego, La Jolla, CA
Venue:
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Year:
2009

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Abstract

We study motion compensated fine granular scalable (MC-FGS) video transmission over multi-input multi-output (MIMO) wireless channels, where leaky and partial prediction schemes are applied in the enhancement layer of MC-FGS to exploit the tradeoff between error propagation and coding efficiency. For reliable transmission, we propose unequal error protection (UEP) by considering a tradeoff between reliability and data rates, which are controlled by forward error correction (FEC) and MIMO mode selection to minimize the average distortion. In a high Doppler environment where it is hard to get an accurate channel estimate, we investigate the performance of the proposed MC-FGS video transmission scheme with joint control of the leaky and partial prediction parameters and the UEP.