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A Cross-Layer Video Transmission Scheme with Guaranteed End-to-End QoS over MIMO OFDM Systems

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4 Author(s)
Yahui Hu ; High Performance Network Lab., China ; Guofeng Lv ; Song Ci ; Hui Tang

How to provide user-satisfied video services must be solved in the future wireless communication systems. However, most of existing works focused on the PHY-MAC cross layer schemes do not consider the end-to-end video quality of service (QoS) and hence can only provide limited user-perceived video quality improvements. In this paper, a novel video transmission scheme with guaranteed end-to-end QoS over Multiple Input Multiple Output and Orthogonal Frequency Division Multiplexing systems is proposed. The end-to-end video quality is measured by recursive optimal pixel estimation (ROPE) algorithm. Our objective is to minimize the ROPE distortion by jointly optimizing the source encoding parameters of H.264/AVC encoder in the application layer, the adaptive modulation and coding parameters and time-frequency resource block selection in the physical layer. The experimental results demonstrate that our proposed scheme can provide good user perceived quality.

Published in:

2012 IEEE International Conference on Multimedia and Expo

Date of Conference:

9-13 July 2012